3-tube receiver 2 (T1603E)

Using known tubes, this receiver was found in a Radio Electronics from 1949. The circuit does not include the power supply.

Panasonic AN44183A Microstepping Motor Driver
Panasonic AN44183A Microstepping Motor Driver is a two channel H-bridge driver with a bipolar...
5 ms delay (CB1475E )
The circuit shown was obtained from a 1976s publication for radio amateurs. Its purpose is to...
Voltage comparator oscillator (CB5972E)
The frequency of this circuit is approximately 1 Hz. Whenever the output is at low level, the LED...