[Milsurplus] Real crystals vs programmed chips

[arc5 at ix.netcom.com]

Yes but three to five channels at $200 per channel?  Few people will put that kind of money in a mil rig.  It will sit in the garage until the grandkids throw it away.  Better to use the little board and get the rig on the air. It could be done without being destructive. I've done it on a couple of rigs.------ Original message------From: CL in NC via MilsurplusDate: Thu, Sep 19, 2019 8:31 PMTo: milsurplus at mailman.qth.net;milsurplus at mailman.qth.net;Cc: Subject:[Milsurplus] Real crystals vs programmed chipsI use the DigiKey programmed chips with a Hayseed Hamfest board in a MultiElmac marine radio now on 75 meters.  The issue is the fact the rock 'comes on' when the stage becomes active, but you have to modify a rig to supply low volts to the chip, may be necessary to make changes to the oscillator circuit it feeds, turn the PLL chips on to transmit, off to receive or you get a carrier.  Unmodified radio life is a lot easier with a rock.

Charlie, W4MEC  in NC
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