Voltage controlled gain amplifier (CB8992E)

Found in a 1980s American documentation, this circuit is intended for amplifying 10.7 MHz video signals, with a gain of 100dB.

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Phase Shift Oscillator (MSB039B)
In this oscillator a phase shift network formed by C1, C2, C3 and R1, R3, R4 determine the fase...
Triac Inductive Load Interface or Shield (CB4592E)
For inductive loads we have the configuration shown in the figure. Note that the optical coupler...
3-Bit A-D Converter (CB14253E)
This circuit was found in the Linear Applications Handbook by National Semiconductor. It uses...