This circuit has its application suggested in an alarm system. The circuit is from an old RCA manual. R1 has 5.6 ohm, R2 22k, R3 2k2. The capacitor is 8 uF.
This narrowband data receiver is from the Philips Databook of 1990. The circuit is powered by 5 V...
This circuit powers a small 5 W lamp that goes out when power is lost. The circuit can use the...
This configuration found in other companies' manuals is from Motorola's 1993 Linear Interface ICs....