This circuit was obtained from an old Signalite documentation. Neon lamps are special types of the time. The operation occurs at low frequencies.
Two LEDs are used in this TTL circuit. Frequency is given by C1 and C2. Power supply must be a 5 V...
This circuit was found in Motorola's 1967 documentation. The circuit makes use of power...
This circuit is powered by 1.5 V and has a long lifespan as it consumes only 320 uA. The circuit is...