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Friday, February 27, 2009

Out of the Sonoran Desert... The Gnat!

We've been away for a few days, down in the shadow of Vesuvius, but I'm back in the shack now, and this morning I've been looking more closely at the latest creation out of the Sonoran Desert:
Chris Trask, N7ZWY, has given us the design for an amazing rig he calls "The Gnat" (Chris has a deep interest in the flora and fauna of the Sonoran Desert.) Like the ET-1 and FETer, The Gnat is an HF transceiver using only one active device. Chris uses a 2N2222 transistor. But unlike the other one-device rigs, The Gnat uses no switches or relays for T/R transitioning -- his rig goes from Receive to Transmit just by pushing the key down. The receiver is, of course, a regen. And get this: The Gnat can produce somewhere in the area of .5 watts to 2 watts of RF. Wow, that's one big bug! There's definitely a lot of Knack in The Gnat. Check it out:

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Designer: Douglas Bowman | Dimodifikasi oleh Abdul Munir Original Posting Rounders 3 Column