This circuit is used in VHF and UHF superheterodyne receivers. The circuit is from the 1964 RCA transistors manual. Equivalent transistors such as the BF495 can be used.
We obtained this circuit from an old European publication. It generates sinusoidal signals...
This circuit consists of a variation of a 4-input control, with the difference that we have only...
Photoelectric cells can be used as sensitive light sensors. However, the low voltage they generate...