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Linear tube UHF circuits

Vacuum tube television

Diodes & their applications

• General diode applications
• Passive crystal receivers
• Tunnel diodes
• Varactor diodes
• Schottkey diodes

Ferrite core mixers

Electromechanical transmitters and receivers

Neon lamps

Radar history

The phasitron tube

Thermoelectric generator

Analog computers

Logic gates technology

TV transmitters