The integrated circuit used in this' 90s amplifier is not very common today. The supply is 24 V, the gain is 50dB and the input resistance is 100 k. The circuit is from an old circuit manual.
This circuit generates a signal for double conversion receivers. The signal has the frequency...
a This very low voltage regulator supports input voltages from 1.7 V to 5.5 V and is suitable for IoT...
This timer, using the ZN1034E, is from a May 1987 Radio Electronics magazine. The circuit can...