2. Chapter 6, Harris The easiest QRP is just a crystal-controlled oscillator. It usually has one to three amplifier stages to raise the power to between 1/2 to 5 watts. This will get you on the air quickly. Unfortunately crystal control means you must order $18 custom crystals for your favorite frequencies in each band.
SAVE $250.00 off 2021 prices OM Power OM-2000A+, Automatic Amplifier. 160 m to 6 m. PRIC.. $6,500.00 Add to Cart
The HLV-1250LPD 2 Meter Linear Amplifier will provide 1.250 kW RF output with drives levels as low as +4 to +18.0 dBm (2.5 mW - 65.0 mW). This amplifier included a high linearity pre-driver operating at 48.0 VDC as well as a user adjustable input attenuator to set the appropriate low level RF drive for full RF output power.Mar 11, 2019 · 40/20 Meter version shown, with attenuator input for 1 to 2 Watts drive 40 Meter version shown, with transformer input for 3/4 to 1 Watt drive This RF Power Amplifier operates from a 12 Volt supply, can be set up to accept an input of from about ¾ Watt to 2 Watts, and can deliver from 10 to 14 Watts of output into a 50 Ohm load.
nicely made home brew 2 meter rf power amplifier. i think its a 829 tube (a little hard to read) worth the price just for the parts ****SEE THE PICTURES FOR MORE INFO
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