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MUSES03 JFET Input Super Audio Op Amp | Profusion

    https://www.profusionplc.com/parts/muses03#:~:text=Technical%20specifications%20%20%20Number%20of%20Circuits%20,%20%200.002nA%20%205%20more%20rows%20
    none

JFET Input Op Amps | Analog Devices

    https://www.analog.com/en/products/amplifiers/operational-amplifiers/jfet-input-op-amps.html
    JFET Input Op Amps. Analog Devices JFET input op amps or FastFET™ high speed (>50 MHz) input op amps provide high input impedance and ultralow input bias currents for high speed applications. The majority of our FET input op amps feature wide supply ranges from +5 V to ±12 V or higher and feature rail-to-rail outputs enabling wide dynamic range. Product Selection Table.

EETimes - Op amps in small-signal audio design - Part 4 ...

    https://www.eetimes.com/op-amps-in-small-signal-audio-design-part-4-selecting-the-right-op-amp-jfet-input-types-reviewed/
    Op-Amps Surveyed: JFET Input Types Op-amps with JFET inputs tend to have higher voltage noise and lower current noise than BJTinput types, and therefore give a better noise performance with high source resistances. Their very low bias currents often allow circuitry to be simplified. The TL072 Op-Amp

MUSES03 JFET Input Super Audio Op Amp | Profusion

    https://www.profusionplc.com/parts/muses03
    10 rows

JFET Op-Amp Based Stereo Control Preamp - Engineering Projects

    https://bestengineeringprojects.com/jfet-op-amp-based-stereo-control-preamp/
    Circuit Description of JFET Op-Amp Based Stereo Control Preamp. Based on LF353N bi-FET op-amp the circuit is ideal for the stereo application for which quad LF347 or four LF351s can also be used is shown in figure 1. Input from tuner or aux. is fed to inverting amplifier with a gain of about 20. Input impedance is fairly high and a 10pF capacitor provides the band …

TL071IP TL071 Low Noise JFET Op-Amp DIP-8 - 20 | …

    https://reverb.com/item/36254724-tl071ip-tl071-low-noise-jfet-op-amp-dip-8-20
    Description: The TL071IP JFET-input operational amplifiers incorporate well-matched, high-voltage JFET and bipolar transistors in a monolithic integrated circuit. The devices feature high slew rates, low-input bias and offset currents, and low …

Amplify small signals in low-noise circuit with discrete JFET

    https://www.planetanalog.com/amplify-small-signals-in-low-noise-circuit-with-discrete-jfet/
    Bipolar op amps have high input bias currents in the nanoampere range or greater, and lower input impedance relative to their CMOS- and junction field-effect transistor (JFET)-input counterparts. The bipolar input will load a sensor such as a high-source-impedance microphone that produces signals on the order of a few thousandths of a volt.

New JFET Hifi Op-Amp release! | diyAudio

    https://www.diyaudio.com/community/threads/new-jfet-hifi-op-amp-release.94557/
    There are some extremely fine such N-JFET Pairs excellent for Audio Amp input. JFET also have almost no input bias current which can cause offset when you want to use different resistors in input/feedback-----For fine tuning of open loop output DC offset I used R5, which can be replaced with 500 Ohm trimpot.

Audio Compression Amplifier /AGC - ElectroSchematics.com

    https://www.electroschematics.com/audio-compressor-agc/
    This is an audio compressor/AGC (automatic gain control) with an astonishing 75db input voltage range. A P-Channel JFET is used as a variable resistance element that is applied as a variable attenuator. Distortion is minimized by keeping the signal voltage across the JFET extremely low (1.3mV). This is an improvement over similar circuits that place the …

Trade-offs Between CMOS, JFET, and Bipolar Input …

    https://www.ti.com/lit/pdf/sboa355
    and JFET input op amps is typically many orders of magnitude lower than in bipolar amplifiers, the input resistance in CMOS and JFET op amps is much higher than in bipolar devices; 6×1012 (Tera-Ω) in the OPA2156, 1 TΩin the OPA828, and 1 GΩin the bipolar OPA2210 — a typical Rin is even lower in most bipolar op amps (<1 MΩ). Figure 2.

OK audio gurus: What are the highly regarded FET-input …

    https://www.eevblog.com/forum/projects/ok-audio-gurus-what-are-the-highly-regarded-fet-input-op-amps-these-days/
    OP, with audio op-amps most EE's are datasheet designers- using a few listed numbers to compare parts. In that regard, a 5532 is all you'll ever need as Douglas Self proclaims. Going beyond the datasheets, even as far back as 1987 it was known op-amps have many important traits not characterised on their datasheets.

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