[Elecraft] Elecraft XG1 Receiver Test Oscillator/S-Meter Calibrator
Trevor Day
[email protected]
Thu Dec 4 06:41:05 2003
I'm waiting for the SSB mod to appear Ken :-)
Trev G3ZYY
P.S. Sounds a useful little unit Wayne, I'll wait till my next (larger)
order and add to that to save the delivery costs.
In message <[email protected]>, Ken Alexander
<[email protected]> writes
>Is there a place to plug a key into it? Sounds like it would make a
>dandy QRPpppp transmitter! 8-)
>
>73,
>
>Ken - VE3HLS
>
>
>>From: Wayne Burdick <[email protected]>
>>To: Elecraft <[email protected]>, qrp <[email protected]>
>>Subject: [Elecraft] Elecraft XG1 Receiver Test Oscillator/S-Meter
>>Calibrator
>>Date: Wed, 03 Dec 2003 16:01:58 -0800
>
>[snip...]
>
>>An output frequency of 7040 kHz was selected because nearly all
>>multi-band HF
>>transceivers, as well as many monoband transceivers, cover the 40
>>meter CW band.
>>But the XG1 also provides reduced output levels at harmonics of 7040
>>kHz, so it
>>can be used for receiver alignment and qualitative tests on 20, 15, and 10
>>meters.
>>
>>Since the oscillator itself puts only 10 nanowatts, the unit requires no
>>enclosure and no interstage shielding. Careful PC board layout and
>>component
>>selection ensure that RF leakage is virtually eliminated. Assembly
>>takes only
>>about an hour, and the only alignment step--which is optional--is
>>fine-tuning
>>the frequency of the crystal oscillator while listening on a
>>calibrated receiver.
>
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--
Trevor Day