Phase Detector 7400 (CB22427E)

This circuit detects the phase of a signal. As it is a TTL circuit, it must be powered by a voltage of 5 V.

150 MHz preamplifier (CB20235E)
We found this 150 MHz preamplifier with 20 dB of gain in a documentation from the 1980s. The FET...
Tone Burst Repeater (CB3959E)
This circuit has been found in older telecommunications documentation. The circuit switches off after...
6 W amplifier TDA2613 (CB15393E)
This circuit is from a 1990 Philips Databook. The circuit uses a symmetrical source and power from...