AN-71 Micropower Circuits Using the LM4250 Programmable Op Amp (Rev. B) 01 May 2013: Application note: AN-79 IC Preamplifier Challenges Choppers on Drift (Rev. B) 01 May 2013: Application note: Effect of Heavy Loads on Accuracy and Linearity of Op Amp Circuits (Rev. B) 22 Apr 2013: Application note: AN-480 A 40 MHz Programmable Video Op Amp: 11 ... Aplicații ale LF351 Op-Amp. aplicații ale LF351 Op-Amp include următoarele. Oscilator cu undă pătrată; Integratori de mare viteză; Filtru Q-notch ridicat; DAC-uri (convertoare digitale-analogice) Circuit de eșantionare și reținere; Astfel, totul este vorba Fișă tehnică IC LF351. Acestea sunt amplificatoare de operare cu cost redus ...Ultra-Low Cost, 136 uA, 4.9 MHz Rail-to-Rail I/O Amplifier: Original ...30-Aug-2022 ... This op-amp is a JFET input IC. · It works on a low power supply which gives a high slew rate and high gain bandwidth. · The application of this ...Fungsi Operational Amplifier Penguat operasional atau sering disebut Op- Amp merupakan komponen elektronika yangberfungsi untuk memperkuat sinyal arus searah (DC) maupun arus bolak-balik (AC). Penguat operasional terdiri atas transistor, resistor dan kapasitor yang dirangkai dan dikemas dalam rangkaian Gambar 2.Operational Amplifiers - Op Amps Quad Low-Noise JFET- Inp,Gen Purp Op Amp. Learn More about Texas Instruments ti tl07xx low noise op amps . Datasheet. Product Comments. 1.458 In Stock: Cut Tape: 1:Dec 15, 2018 - This is an Active bass booster circuit with PCB layout using IC-741 or LF351 op-amp as low frequency filter circuit diagram by change RC only. Pinterest. Today. Watch. Explore. When the auto-complete results are available, use the up and down arrows to review and Enter to select. Touch device users can explore by touch or with ...ost popular op-amp (operational amplifier) ICs — such as the 741, CA3140, and LF351, etc. — give an output voltage that is proportional to the difference between the IC's two input pin voltages, and are thus known as voltage-differencing amplifiers or 'VDAs.' There are, however, two other basic types of op-amps that are in common use; oneOk, so I am designing an amplifier using an op-amp to produce the same undistorted output sinusoidal wave across a 2Kohm load as that of the common emitter amplifier shown in the attached picture. I have researched online on what specific op-amps I can use and cannot decide whether I should use an LM741/A or LF351 op-amp.Lab # 4 Physics 6620/3620 Op-Amp and A/D and D/A converters 1) Design and build a x100 gain non-inverting amplifier using the LF351 op-amp. Test it with a small signal (~30 mV @ 1 kHz) at the input. Use fairly small resistors (10 k? …10-Feb-2023 ... Assume the LF351's maximum output voltage will be 2V away from either power supply, i.e. VPS=+10V and VNS=-10V in the LF351 model. If you are ...an op-amp circuit is the voltage follower, which serves as an isolator between two parts of a circuit. Several op-amp chips have the same pin configuration, two examples are the 741 op-amp and the LF351 op-amp. The demo version of Capture doesn't have the LF351 version available, so the modeling will be done using the 741The LF351 is an op amp with an internally trimmed input offset voltage and JFET input devices (BI-FET IITM) These JFETs have large reverse breakdown voltages from gate to source and drain eliminating the need for clamps across the inputs Therefore large differential input voltages can easily be accommodated without a large increase in input currentLF351 Single JFET Op Amp IC. Price: $0.45. Datasheet: LF351.pdf. LF351N Single, Wide Bandwidth JFET Op Amp, 4 MHz. DIP-8, Plastic. ICs - Linear; Home; About Nightfire; Datasheets; Shipping; ... Op Amp Kits (44) PCBs (Blank) (57) PIC Kits (43) Potentiometers - Panel (16) Potentiometers - Trimpots (38) Power Supply Kits (39)Abstract: DAC0830 DAC0831LCN DAC1230 dac0831 geforce*9600gt LF351 op-amp application Z80 PROCESSOR in aerospace DAC0830LCN DAC0830LJ Text: DAC0832LCJ DAC0832LJ 0.1% FSR DAC0831LCN 0.2% FSR DAC0832LCN DAC0832LCWM DAC0832LCV , DAC0830LCJ, DAC0830LJ, DAC0832LJ or DAC0832LCJ NS Package …LF351 op-amp audio equalizer datasheet, cross reference, circuit and application notes in pdf format. ... Operational Amplifier, 1.5V to 5.5V, I/O Rail to Rail, IDD=0.27μA, SOT-25: TAS3001CPWR: Texas Instruments Stereo Audio Digital Equalizer 28-TSSOP: PTAS5755MDFD: Texas Instrumentssuperior performance in intergrator, summing amplifier, and general feedback applications. 8-DIP 1 8-SOP 1 Internal Block Diagram LM741 Single Operational Amplifier. LM741 2 Schematic Diagram Absolute Maximum Ratings (TA = 25 ...Perhaps you have the luxury of Radio Shack or similar. There are places in this world where even an op amp is not so easy to come by. By the way, siddharth, your method does not test the op amp under any loading, which is where you would normally see the failure. ... LF351, NE531, TL061, TL081 IC tester Theme . ElectronicsLab v1.4 (Default ...เทียบเท่า lf351 op-amps. เทียบเท่า lf351 ไอซี ส่วนใหญ่เป็น ic lm301, ic ca3140, ic tlc271, ic tlc071, icl7611, ic tlc081 และ ic nte857m. ใช้ ic lf351 ที่ไหน?LF351 Wide Bandwidth JFET Input Op-Amp IC. Note: Product Images are shown for illustrative purposes only and may differ from the actual product. ... 1 x LF351 Wide Bandwidth JFET Input Op-AmpIC DIP-8 Package. SKU: 1089279 Category: Operational Amplifier ICs. Based on 0 reviews. 0.0 overall . 0. 0. 0. 0. 0.This problem has been solved! You'll get a detailed solution from a subject matter expert that helps you learn core concepts. Question: c. Design a negative finite gain amplifier by using C2OA-1 (Qp=0.707) with an overall gain of 100. Use LF351 Op Amps.c. Design a positive finite gain amplifier using C2OA-1 (Qp=0.707) with close-loop gain of.The LF351 is a low cost high speed JFET input operational amplifier with an internally trimmed input offset voltage (BI-FET IITM technology). The device requires a low supply current and yet maintains a large gain bandwidth product and a fast slew rate. In addition, well matched high voltage JFET input devices provide very low input … LF351 Wide Bandwidth JFET Input Op-Amp IC DIP-8 Package ...Abstract: IC LF351 LF351 APPLICATION MV1Y Lf351 equivalent IC LF351N LF351 Op Amp IC LF351 OPERATIONAL AMPLIFIER Text: designers to immediately upgrade the overall performance of existing LM741 designs. The LF351 may be used in , of the negative supply, an increase in input offset voltage may occur.currents. The LF351 is pin compatible with the standard LM741 and uses the same offset voltage adjustment circuit-ry. This feature allows designers to immediately upgrade the overall performance of existing LM741 designs. The LF351 may be used in applications such as high speed integrators, fast D/A converters, sample-and-hold circuitsJun 22, 2021 · LF356 op-amp: Package, Pinout and Datasheet. Jennie. 22 June 2021. 1843. 1 Channels 30pA 80 dB Instrumentational OP Amps 0.0002μA 15V ±15V LF356 8 Pins 8-DIP (0.300, 7.62mm) LF356 is the first monolithic JFET input operational amplifiers to incorporate well matched, high voltage JFETs on the same chip with standard bipolar transistors. Most op-amps use the same "standard" 741-pinout (which got has it's name from an old very common op-amp). Solder a socket on your PCB and you can easily change the op-amps. You could try bifet …449Kb / 14P. [Old version datasheet] LF351 Wide Bandwidth JFET Input Operational Amplifier. Fairchild Semiconductor. LF351. 46Kb / 8P. Single Operational Amplifier (JFET) Tiger Electronic Co.,Lt... LF351. 189Kb / 5P.An operational amplifier (op amp) is an analog circuit block that takes a differential voltage input and produces a single-ended voltage output. Op amps usually have three terminals: two high-impedance inputs and a low-impedance output port. The inverting input is denoted with a minus (-) sign, and the non-inverting input uses a positive (+) sign.AD645/AD. Low Noise Low Drift FET-Input Operational Amplifier. AD645A. Low Noise, Low Drift FET-Input Operational Amplifier (AA Enabled) AD645A/AD. Low Noise Low Drift FET-Input Operational Amplifier. AD645B/AD. Low Noise Low Drift FET-Input Operational Amplifier. AD645J/AD. LF351 Price, LF351 Stock, Buy LF351 from electronic components distributors. Instant result for LF351Robotbanao 12V 1A DC Power Adapter, Powers Supply, SMPS for LCD Monitor, TV, LED Strip, CCTV, 12 Volt 1 Amp Power Adapter,AC Input 100-240V Dc Output 12 Volt 1 Amps 3.7 out of 5 stars 905 2 offers from ₹203.70f1000Hz Datasheets Context Search. Catalog Datasheet MFG & Type PDF Document Tags; LMF501T-2. Abstract: LMF501 Text: measurement circuitsl Vcc=1.4 V, RAGC=1,5kO Modulator: f=1000Hz 40%, V in= 1 m V/rms Single-Chip System OCR ScanQuestion: Below is a LF351 operational amplifier : 10 KS2 50 k 2 Vin + Ve 100 ke Find Vo Vin by modeling the op-amp using the finite Gain Model (Hint: NOT by treating it as ideal, So Vo = -5.) VinThe LF351 is a low cost high speed JFET input operational amplifier with an internally trimmed input offset voltage. (BI-FET I|t m technology).STMicroelectronics LF351 Series Operational Amplifiers - Op Amps are available at Mouser Electronics. Mouser offers inventory, pricing, & datasheets for STMicroelectronics LF351 Series Operational Amplifiers - Op Amps.LF351 Wide Bandwidth JFET Input Operational Amplifier General Description The LF351 is a low cost high speed JFET input operational amplifier with an ...Wideband, Low Distortion Driver Amplifier; Package: 24L Ceramic DIP; Temperature Range: -55°C to +125°C. Fairchild Semiconductor. Abstract: 100MHZ KH560 KH560AI KH560AK KH560AM KH561 Wideband Low Distortion Driver Amplifier Text: unconnected. May be grounded if desired. 15 20 -25°C to +85°C -55°C to +125°C , , been retained …Funcions d'amplificador operatiu LF351. Les principals característiques de LF351 Op-Amp inclou el següent.Search Partnumber : Start with "LF35 1N " - Total : 92 ( 1/5 Page) Texas Instruments. LF351 -N. 449Kb / 14P. [Old version datasheet] LF351 Wide Bandwidth JFET Input Operational …How to Use IC LF351 (Precautions) The LF351 is an op amp having an in-built clipped input offset voltage and JFET input devices (BI-FET IITM). These JFETs are …1 LF351 op-amp 2 0.1uF capacitor (CKO5 low-volt. Ceramic) 2 Electrolytic Capacitors 1uFd / 50V, | Radial | ... for example in an audio amplifier circuit. The 400x, on the other hand, is designed for abuse and is a good choice in power-supply applications. There are lots of other diodes available on the market; this discussion is justKomparator Tegangan Menggunakan Op-amp. Tasim Billah. See Full PDF Download PDF. See Full PDF Download PDF. Related Papers. Kelas XI_smk_teknik-pemeliharaan-dan-perbaikan-sistem-elekt_1.pdf. padil haemien. Download Free PDF View PDF. PERANCANGAN ALAT PENGAMAN MOTOR DENGAN MEMANFAATKAN SENSOR GETAR DAN GELOMBANG RADIO FM.c. Disconnect the input signal and switch off the supply voltage to the op amp. Replace the LM741 with the higher bandwidth LF351 op amp. (Note: These two ICs have the same pin configuration. Be very gentle as you pull out the IC; consult with your lab instructor for the safest way to do that).Az LF351 op-amp alapvetően egy JFET bemeneti IC. Ez egy olcsó integrált áramkör, és nagy teljesítményt nyújt. Ez az IC magas alacsony fordulatszámú és nagy nyereségű sávszélességű terméket eredményez még akkor is, ha alacsony tápegységgel dolgozik.I need a direct pin compatible replacement for the LF351 op amp? ** Then you need a single op-amp. TL072? LT1357? OP275? ** Those are duals - except for the 1357. Is there something better, with low chances of oscillation? Mainly for line input. Thanks in advance. ** The TL071 is equivalent. The OPA627 has exceptional specs - and price too ...LF351 Wide-bandwidth JFET-input op Amp . Low Input Bias Current. 50 pA Typ Low Input Noise Voltage. 18 nV/Hz Typ Low Input Noise Current 0.01 pA/Hz Typ Low Supply Current. 1.8 mA Typ High Input impedance. 1012 Typ Low Total Harmonic Distortion Internally Trimmed Offset Voltage 10 mV Typ High ... The LF351 can be used in applications such as ...Many op-amps have input impedances over 1GΩ. Input Voltage Range: How high or low the voltage at the input pins can be before the op-amp doesn't function properly (or gets damaged). In this case (assuming +/-15V supplies) the inputs should stay below +/-13V. Note: In general Large Signal Voltage Gain: The gain of the op-amp at DC (i.e. low ...Circuit Operation. Meanwhile, the schematic for the 10-watt amplifier is really quite simple. Generally, the LF351 amplifies signal voltage and provides the necessary power amplification with two power transistors. The power is however taken directly from the power supply and produced by two transistors to the 8 Ohms Loud Speaker.The op-amp used was LF351 wide bandwidth JFET input operational amplifier which is low cost and has an internally trimmed input offset voltage. The use of this op-amp enables the circuit to adjust the base, middle (balance) and treble controls. The tone controls were normally being used in a preamplifier for music production. Bass is lying in ...blocks and all the conventional op amp circuits which now can be more easily implemented in single power supply systems. For example, the LM358 series can be directly operated from the standard +5V power supply voltage which is used in digital systems and will easily provide the required interface electronics without requiring an additional ±15VIf you have little time and are learning electronics about op-amp circuits, this is a good option. How this circuit works. See in the circuit below. This circuit we use IC-741 op-amp. Normally use a Dual power supply(+/- ground). But, this circuit uses a single power supply to easy to operate. Figure 1 is a schematic of this project.Abstract: low pass circuit UA741 ua741 A741 LM124 2210-005 accelerometer module. Text: is a common mode signal. The op-amp type is not critical; a µA741 or ¼ of a LM124 can be used. Both. Original. PDF. 1445-NW output impedance calculation in LM124 low pass circuit UA741 ua741 A741 LM124 2210-005 accelerometer module.An ideal op-amp has no offset because its gain is infinite, there are no leakage currents, and there's no undesired impedance anywhere. Any real op-amp will necessarily have these things, the 741 being no exception. \$\endgroup\$ – Phil Frost. Jan 23, 2013 at 13:09LF351 Wide bandwidth single JFET operational amplifiers Features Internally adjustable input offset voltage Low power consumption Wide common-mode (up to VCC +) and differential voltage range Low input bias and offset current Output short-circuit protection High input impedance JFET input stage Internal frequency compensation1 Channels 40mA per Channel 20pA 70 dB Instrumentational OP Amps 0.02μA 16V 6V~32V ±3V~16V LF351 8 Pins 8-SOIC (0.154, 3.90mm Width) LF351 is a wide bandwidth single JFET operational amplifiers. This article mainly introduce its pinout, circuit, replacement and other detailed information about STMicroelectronics LF351.... operational amplifier with very low input offset voltage. It requires low supply current yet maintains a large gain-bandwidth product and a fast s.Basic inverting op-amp circuit using a. LF355 FET op-amp. A cap (>= 100pF) is placed across the feedback. resistor and no cap across R1 (input resistor) causes output to go to. max voltage (DC). If cap is removed from Rf then output goes back to. normal, which is offset * Rf/R1. R1 is 500 ohms. I've tried a wide.JFET-INPUT OPERATIONAL AMPLIFIER SLOS011C – MARCH 1987 – REVISED OCTOBER 1997 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 1 Low Input Bias Current, 50 pA Typ Low Input Noise Current, 0.01 pA/√Hz Typ Low Supply Current, 2 mA Typ High Input impedance, 1012 Ω Typ Low Total Harmonic Distortion Low 1/f Noise …If the voltage swing is given for V CC =15V then the max value of V CC could be 15V (For example, LM324 and TL072 give the Voltage Swing values for max VCC). This should be checked from the datasheet. Noted, thanks for the heads-up. Max vaue of the op-amp is 18V according to the datasheet Jul 13, 2020 at 16:07.LF351 Op-Amp IC. Add to wishlist. Compare. EGP 10.00. Quantity. Add to cart. Description Reviews Pin Configuration. Pin No. Pin Name: Description: 1. Offset Null 1: Pin used for remove the offset voltage and balance input voltage. 2. Inverting Input: Inverting signal Input: 3. Non-inverting Input:The LF351 is JFET input operational amplifier with an internally compensated input offset voltage. The JFET input device provides wide bandwidth, low input bias currents and offset currents. FeaturesInstrumentation, OP Amps, Buffer Amps. Mfr. STMicroelectronics. Series-Package. Tape & Reel (TR) Cut Tape (CT) ... LF351: Other Related Documents: LF351 View All Specifications: Product Training Modules: High Performance OpAmps: PCN Packaging: Moisture Barrier Bag 09/May/2016: HTML Datasheet: LF351:The AD548 is recommended for any dual supply op amp applica-tion requiring low power and excellent dc and ac performance. In applications such as battery-powered, precision instrument front ends and CMOS DAC buffers, the AD548’s excellent com-bination of low input offset voltage and drift, low bias current, and low 1/f noise reduces output ... 2002 - LF351 op-amp application. Abstract: LM324 Low Power Quad Op-amp L272 Circuit datasheets of op-amp LM 250 KA1458 LF351 op-amp LM319 AD9101 E220 L272 datasheet Text: KEB011 KEB002 KEB006 KEB010 KEB006 KEB010 KEB006 KEB010 KEB006 KEB010 KEB006 KEB010 KEB012 KEB008 KEB011 KEB014 KEB013 KEB002 …currents. The LF351 is pin compatible with the standard LM741 and uses the same offset voltage adjustment circuit-ry. This feature allows designers to immediately upgrade the overall performance of existing LM741 designs. The LF351 may be used in applications such as high speed integrators, fast D/A converters, sample-and-hold circuitsSeveral op-amp chips have the same pin configuration, two examples are the 741 op-amp and the LF351 op-amp. The demo version of Capture doesn't have the LF351 version available, so the modeling will be done using the 741 op-amp (a.k.a. μ741 op-amp.) The LF351 is somewhat better for our application and will extend the battery lifetime.The LF351 is an op amp with an internally trimmed input offset voltage and JFET input devices (BI-FET IITM). These JFETs have large reverse breakdown voltages from gate to source and drain eliminating the need for clamps across the inputs. Therefore, large differential input voltages can easily be accommodated without a large increase in input ...JFET LF351 LF351N Op Amp OpAmp OpAmp IC Operational Amplifier. Related Products (1) uA741 - General Purpose Op-Amp. Sold: 431 pcs: Product Code: uA741C: Category: Op-Amp ICs: The uA741 is a general-purpose operational amplifier featuring offset-voltage null capability. The high common-mode input voltage range and the absence of latch-up ...It is an 8-pin JFET Dual op-amp available in PDIP and SOIC packages. Power Supply voltage Vcc is ±18V. Differential input voltage is ±30V. The range of input voltage is ±15V. The duration of the output short circuit continues. Power dissipation is 500mW. The range of operating temperature is 0°C to +70°C.10 Watt Audio Amplifier Circuit using Op-Amp and Power Transistors. Amplifiers: ... Components Quantity 12V Rail to Rail power supply with +/-12V 1 LF351 IC with 8 pin IC Base 1 BC53-16PA Transistor 1 TIP33CG Transistor 1 8Ω 10 Watt speaker 1 4Ω Resistor 2 250Ω and 1k Resistor 1 47kΩ Resistor 1 10pF Capacitor 1 0 Capacitor 1 3Ω Resistor 1.Op. Amp. LM741 or LF351 op. amp. Typical operational amplifier specifications Part: LM741 LF351 Supply rails: typical: ±15VDC min: ±5VDC max: ±18VDC typical: ±15VDC min: ±5VDC max: ±18VDC Input impedance: 2MΩ 106 MΩ DC gain: 200,000V/V 100,000V/V Input bias current: 80,000pA 50pA Slew rate: 0.5V/µs 13V/µs Maximum output current ...Description: Operational Amplifiers - Op Amps Single Wideband JFET. Compare With Current Part. Product Info. Image: Mouser Part #: 511-LF351N. 511-LF351D-TR.คุณcarbon_za เคยเอาop ampเบอร์อื่นใส่แทน741มั้ยครับ LF351, LF356, NE5534, ตอนนี้ผมใช้ LF351 เสียงจะออกแนวคมใสรายละเอียดชัดกว่า NE5534 เสียงจะดีที่กลางต่ำMany op-amps have input impedances over 1GΩ. Input Voltage Range: How high or low the voltage at the input pins can be before the op-amp doesn't function properly (or gets damaged). In this case (assuming +/-15V supplies) the inputs should stay below +/-13V. Note: In general Large Signal Voltage Gain: The gain of the op-amp at DC (i.e. low ...OP-AMP COOKBOOK — Part 1. A conventional op-amp (operational amplifier) can be simply described as a high-gain direct-coupled amplifier 'block' that has a single output terminal, but has both inverting and non-inverting input terminals, thus enabling the device to function as either an inverting, non-inverting, or differential amplifier. The LM111, LM211, and LM311 devices are single high-speed voltage comparators. These devices are designed to operate from a wide range of power-supply voltages, including ±15-V supplies for operational amplifiers and 5-V supplies for logic systems. The output levels are compatible with most TTL and MOS circuits.Jun 10, 2018 · LF351 is single operational amplifier with an internally compensated input offset voltage. It also provides wide bandwidth, low input bias current and offset current. Basically, LF351 is used in the circuits that need high input impedance, high speed integrators, Quick digital to analog converters, sample and hold circuits etc. How to Use the IC? General purpose diodes such as the 1N4148 or 1N914 can be used for a wide variety of applications such as clamping, clipping, biasing, logic, and op amp rectifiers. These feature a PIV of 75V and can deliver a forward current of up to 100 mA. The 1N916 is a low-capacitance variant of the 1N914. The BY206 (I F = 400 mA, PIV = 350 V) is a general ...LF351 Wide-bandwidth JFET-input op Amp . Low Input Bias Current. 50 pA Typ Low Input Noise Voltage. 18 nV/Hz Typ Low Input Noise Current 0.01 pA/Hz Typ Low Supply …Mouser Electronics - Electronic Components Distributor. All . Filter your searchQuestion: Figure 1.2: Integrating Amplifier Build the Miller Integrator shown in Figure 1.2, using the LF351 (or LF353) amplifier chips (just add the R2 resistor to your previous circuit). Use the E3630A power supply to …Lf351-Wide Bw Single J-fet Opamps - Free download as PDF File (.pdf), Text File (.txt) or read online for free. Scribd is the world's largest social reading and publishing site. Open navigation menuAlternatives Audio Amplifiers: LM4871, AD620, IC6283, JRC45558, LF351 . Where to use OP07 IC. The OP07 single operational amplifier offers a wide input voltage range of ±13 V minimum combined with a high CMRR of 106 dB and high input impedance to provide high accuracy in the noninverting circuit configuration.The LF351 is JFET input operational amplifier with an inter- nally compensated input , the LF351 is a JFET input operational amplifier : Picture: -Source: datasheet : Advanced , blocks and all the conventional op amp circuits which now can be more easily implemented in sin, Assemble the circuit using a TL071, TL081, or LF351 o, Single SoundPlus™ 8-MHz, 50-pA, high-performance audio op a, LF351 IC : Pin Configuration, Circuit Working and Applications. Basically, the LF , 1 Operational Amplifier 2 LF351 Pinout 3 LF351 Features and Specification 4 Application 5 LF351 Datasheet , Wide Bandwidth Single J-Fet Operational Amplifier: L, lf351 "cross reference" datasheet, cross re, Now, most amps have a distortion control, but distortion effects, An ideal op-amp has no offset because its gain is infinite, there, Jun 10, 2018 · LF351 is single operational amplifier with an , IC2 is an LF351 op-amp wired as a standard direct coupled non-inve, El Amplificador Operacional también llamado OpAmp, o Op-, Jan 17, 2007 · I don't know whay you talk about older OP-Amps , However, from the simulation results, I only got something like 1, I have made a non-inverting op-amp using lf351n with, The op amp IC LF351 can be also effectively used as a variable du.