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Category: Inside Circuits Views: 4182 Rank: 2 The circuit uses the DG212 which controlling the gain using resistors. To calculate the different gains SW4 should be closed. Gain error is determined only by the resistor tolerance op amp offset and CMR will limit accuracy of circuit.  You can use the DG211 as well in the same schematic. Datasheet file1: Click here to download DG212.pdf datasheet.
Related circuits Using an MPF102 JFET, this circuit has a 50- input impedance. Load impedance should be about 470 . A 3:1 matching t Component value sensitivityis extremely critical, as are temperature coefficients and matching of the components. Best performance is attained when perfectly matched components are used and when the gain of the amplifier is unity The ac line power is brought back into the circuit through Fl, a protective 5-A fuse. One side of the ac line is connected to one side of each ac outlet. The other side of the ac line is connected to each SGR or silicon-controlled rectifier. Each SCR is, in turn, connected to the other side of... The NE5539 wideband op amp is easily adapted for use as a color video amplifier. The gain varies less than 0.5% Irom the bottom to the top of the staitVlse. The maximum differential phase is approximately +0.1. This circuit uses a CA3240 dual BiMOS op amp to sense small currents flowing between the contact points on a touch plat Single-supply-wien-bridge-oscillator The Adjustment of R4 contributes to the comparatively symmetrical output transfer characteristic of the CA3420 BiMOS op amp. This circuit detects the presence of audio (voice) on the output of a scanner. If the scanner stops on a "dead carrie Programmable Inverter/Rectifier The op amp is alternately an inverter or buffer, under control of the switch polarity. As a buffer, the gai
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Automatic Op-amp gain adjust The Projects Forum.
The schematic shown here combines the functional diagram of the TDA8551 with its typical application circuit. The gain of the amplifier can be set by the digital volume control input. At the highest volume setting, the gain is 20 ...
Very Simple Bench Amplifier circuit and explanation. A small 325mW amplifier with a voltage gain of 200 that can be used as a bench amplifier, signal tracer or used to amplify the output from personal radios, etc. The circuit is ...
Programmable Gain Amplifier Circuit Diagram . The circuit uses the DG212 which controlling the gain using resistors. To calculate the different gains SW4 should be closed. Gain error is determined only by the resistor tolerance op amp offset ...
The gain is determined by only one resistance, which is the resistance between pins 1 and 8 of the IC. The circuit shown here is a standard application circuit for this instrumentation amplifier. R1 and R2 provide a separate ...
Generally, operational amplifiers are extremely high voltage gain op-amps and they are standard building blocks of analogue circuits. The most commonly used op-amp is IC741. The 741 op-amp is a voltage amplifier, ...
Electronic Circuits - General Amplifier Theory 1 - Gain
Electronics: "Basic Amplifiers" pt1-2 1963 US Army Training Film
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