Bass Control (CB21294E)

This circuit with losses of 20 dB at 350 Hz was found in older documentation, but it applies to modern preamp and amplifier circuits.

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Servo Motor Amplifier (CB12522E)
The circuit shown in figure 1 serves to control a servo motor with a current of up to 200 mA. The...
Voltage reference with REF01 (CB24681E)
This is a circuit with a period component that consisted of a voltage reference. The circuit is...
High impedance instrument amplifier (CB15801E)
This amplifier, suggested by National Semiconductor (Now Texas Instruments), has high input...