Paul -
Easy, that's the frequency of the Carrier Oscillator in the T-4X!! :-)
I 'think' what they meant was ~1 kHz below 5645 kHz, or 5644.000 kHz.
The transmitter CO runs at 5644.050, with a series capacitor to shift it
UP ~900 Hz to 5645 kHz for CW and AM. The same thing is used in the
receiver for accurate transceive. The 5595 kHz is for AM only.
73, Garey - K4OAH
Glen Allen, VA
Drake 2-B, 2-C/2-NT, 4-A, 4-B, C-Line
and TR-4/C Service Supplement CDs
<www.k4oah.com>
Paul Christensen wrote:
The R-4C's 3rd Mixer LO crystal for SSB/CW is 5644.999 kHz. Why
didn't Drake just specify 5645.0 kHz? The tolerance of the crystal is
well beyond 1 Hz and is likely +/- several hundred Hz. Perhaps a
large quantity price break for crystals ground below 5645 kHz?
Any Ideas?
Paul, W9AC
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