This circuit found in 1969 Popular Electronics is used to power a gas laser. The circuit produces a continuous voltage of 1,600 V. Diodes are high voltage types.
This circuit, suggested by National Semiconductor, provides an output voltage proportional to the...
Found in 1980s documentation, this amplifier uses a symmetric source and the gain is given by the...
This modulated light transmitter was found in a 90s Popular Electronics. In place of the lamp with...