This circuit was found in Motorola documentation from the 1980s. PUTs are not common components today and lamp power depends on the SCR.
This experimental AM radio circuit was found in a 1979 English magazine. It can be fitted with a...
This is a variation of the two previous circuits but controlling two LEDs. The brightness of the...
This circuit is the receiver for the CB13997E. The transistor can be the BC548. We also found this...