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.
Suggested by Philips documentation from 1968, this circuit uses components from the era that can...
This circuit uses NO sensors and was found in an American publication in the 90s. The supply must...
Found in American documentation from the 1990s, this circuit generates signals in the 350 to 500...