Amateur - Circuitry

   Test Equipment - Noise Measurements
Noise generator using reverse-biased diode
Zener diode reference noise source
DC filament supply with series transistor control
Power supply for the diode noise source
Noise diode circuit suitable for balanced input
Noise diode circuit suitable for unbalanced input
Noise factor comparator

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   Stun Guns

   Test Equipment - Noise Measurements
   Test Equipment - Measurements of Components
   Test Equipment - Power Supply
   Test Equipment - RF Power Measurement
   Test Equipment - Aerial and Transmission Line Measurements