Paul,
This is probably why they sell crystals cut for 60,002 kHz and 60,005
kHz. I ordered 10 of the 60,000 kHz crystals from DigiKey for about
a buck each. The 60,002 and 60,005 crystals were only available in
lots of a bazillion. It sounds like when I build the oscillator
portion of the remodulator I may to have to play a wee bit to get the
new carrier within tolerance of what the 8170 wants to see.
Sorry to hear you've been fighting a flu bug. A lot of folks I know
have recently gone through a bought of the flu. I had it for a week
but it was mild compared to what some folks I know went through. I
hope you're feeling 100% real soon.
Burt, K6OQK
At 09:26 PM 6/21/2013, [email protected] wrote
Hello to the group
Very good thread. I am recovering from a severe flu. Thats wgy I have not
been around.
This will be brief.
1Hz off seems to cause an issue.
The 60 khz xtals from mouser all seem to always be low.
So by lowering the drive and I assume loading. The 20K resistor they come
into range.
Don't like this and ordered a few xtals from china. Oh lets say 50.
Nothing says a 6 mhz xtal and divider can't work. Just adds complexity and
cost.
By the way the MAS 6180 is available but the distro wants an order of 50 at
$4 each.
I can't take on the role of purchasing and distributing the chips.
Regards
Paul
Burt I. Weiner Associates
Broadcast Technical Services
Glendale, California U.S.A.
[email protected]
www.biwa.cc
K6OQK
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