This is the receiver for the previous circuit, also found in 90s Radio Electronics. The circuit operates at 2.25 MHz, detecting variations in signal frequency due to the Doppler effect.
In the figure we show how to obtain a stabilized voltage for the filament of a 6.3 V x 100 mA...
The presented circuit makes use of two hybrid modules (see articles on the website) to drive a...
This circuit is from the 1983 Intersil Databook. The circuit has an A / D converter for display of 4 and...