Found on an 80's Elektor, this circuit uses common components, being the diode a general purpose germanium. The coils select the frequency range of the indicator that reaches 60 MHz.
This circuit was found in a 1977 documentation. The gain is 3 dB and instead of the original...
This DC-DC converter was found in old RCA documentation. The circuit operates at 15 kHz. The...
March 2017 - Texas Instruments is already making available through Mouser Electronics the LP5907 an...