This decorative object was found in a Signetics documentation from the 60s. The circuit uses neon lamps and must be powered by a high continuous voltage. The current is extremely low.
This circuit was found in an old TTL circuit manual. The circuit must be powered by 5V, and the...
This amplifier for biological research was found in an Electronic Design from 1964. The...
Found in National Semiconductor publication from the 1980s. This gain-100 circuit can be...