Tubes

Articles
Title
Trigger (T301E)
Grid dip meter (T300E)
Metronome (T299E)
Tone Generator (T298E)
7 Hz Vibrato (T297E)
Memory Coupling (T296E)
Pentode Mixer (T295E)
Key Relay (T293E)
Paraphase Amplifier (T291E)
Proximity Sensor (T291E)
Liquid Level Monitor (T290E)
100MHz Phase Meter (T289E)
AGC for SSB (T288E)
Voice Controlled Relay (T287E)
Touch Switch (T286E)
10W CW Transmitter (T285E)
Modification of an AVC to receive SSB (T284E)
T283E Fax Converter (T283E)
Tube Receiver AGC (T282E)
Adapter for SSB and CW (T281E)
AGC for strong signals (T280E)
AGC for tube receivers (T279E)
Delicate Filament Tube Protection (T278E)
Zener bias for Tubes (T277E)
Audio Amplifier 6V6 (T276E)
Rectifier With Triode Tube (T275E)
By Board Modulator (T274E)
Cathode Coupled Modulator (T273E)
6BE6 Modulated Oscillator (T272E)
Pentode Modulator (T271E)

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