AD202KN

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AD202KN is a linear amplifier which is widely used in instrumentation, OP amps and buffer amps work. It is driven by a bipolar power supply so that both the positive and negative power rails are provided to the amplifier. The output voltage of AD202KN can be adjusted and varied according to the input signal because of its dynamic gain control feature.

AD202KN is constructed with a Class A input stage, followed by a second stage of AC-coupled transformer feedback, and then a single emitter controlled current source voltage amplifier. The transformer feedback gives the AD202KN a remarkably low noise performance and also allows for the adjustment of the input signal for proper level control. The current source provides both low output impedance and high input resolution, allowing for the use of high impedance source devices in the signal path.

The gain of AD202KN is continuously adjustable from 0 to 10 dB by using the built-in trimpot, which is located on the back panel of the device. This allows for great flexibility when performing frequency response and distortion measurements. Another useful feature is the input impedance matching for optimal signal transmission. By using the two matched resistors, the user can set the input impedance of the AD202KN to match the output impedance of the signal source.

In addition to the trimpot and matched resistors, AD202KN also has a number of other features that make it an excellent choice for instrumentation, OP amps and buffer amps work. It has a high common-mode rejection ratio, meaning that any signal present in both the power rails will be rejected by a factor of greater than 80. The AD202KN also has a fast rise time, allowing it to respond quickly to input signals, and a wide bandwidth of up to 1 MHz, which is more than sufficient for many common applications.

Another feature of the AD202KN is that it has a low input offset voltage, which results in lower distortion and less crosstalk noise. This feature also prevents any DC offset in the amplifier’s output signal. Finally, the AD202KN features a temperature compensation circuit, which prevents drift due to changes in ambient temperature. This ensures that the gain of the amplifier remains consistent over extended periods of time.

Overall, the AD202KN is an ideal choice for instrumentation, OP amps and buffer amps work. The wide adjustment range of gain, high common-mode rejection ratio, fast rise time, wide bandwidth, low offset voltage and temperature compensation make it an ideal amplifier for any signal processing application.

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