1940s commercial receiver (T1618E)

This receiver was found in a Radio Electronics from 1949. It is a superheterodyne of the time using 6 tubes.

1 kHz Oscillator (CB24086E)
This oscillator produces short duration pulses using a PUT. The circuit is from a Radio...
Temperature shield TMP390 (CB20397E)
This is a one-channel application for the Texas Instruments TMP390 sensor obtained directly from...
LED PWM control 555 and LM350 (CB17288E)
With this circuit you can control up to 3 A of LEDs in different sequences, using a PWM...