This signal amplifier for ATV in the 427 to 439 MHz band was found in a magazine 73 for radio amateurs of the 90's. The circuit is installed next to the antenna on the mast itself.
June 2017 - The new touch screens with resistive sensors of the FK Series from NKK Switches can...
This circuit lets through the 300 Hz to 3kHz range that corresponds to the human voice. We found it...
This circuit, found on Motorola's Linear Interface ICs uses the MC1536 as a driver for a 36 W or...