This circuit is described in the latest version of an amateur radio magazine. Its operation allows for any mode up to 1 watt (license free) in the 160 to 190 kHz band (CW/SSB/FM). It consists of a receive converter from 5 kHz to 450 kHz and a transmit converter that converts 3.66 to 3.69 megahertz (80 m) to 160 to 190 kHz.
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2.54 Famale pin headers
SPECIFICATION
Current Rating: 3.0 Amp
Insulation Resistance: 1000M ohms min
Contact Resistance: 20M ohms max
Dielectric Withstanding: AC500V
Operating Temperature: -65°C to +125°C
Contact Material: Brass
Insulator Material: PBT,UL 94V-0 Black
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