Standard 7 MHz QRP CW Rig

This rig works well even with low-activity crystals.

Standard 7 MHz QRP CW Rig

Heat sinks are required for the buffer and final transistors. The variable capacitors and coil cores are adjusted for maximum clean output.

Standard 7 MHz QRP CW Rig - Schematic

The enclosure is homebrew.

Related post: Basic 7 MHz QRP CW Rig
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Basic 7 MHz QRP CW Rig

This is the second version of my solid-state 7 MHz QRP CW transmitter. A heatsink is required for the transistor.

Basic 7 MHz QRP CW Rig - schematic

The base variable capacitor is adjusted for a chirpless signal and the collector variable for maximum output (minimum collector current).

Related post: Simple 7 MHz QRP CW Rig
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