Comtech 23cm boards chips IC's

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keng8vdp
Posts: 34
Joined: Tue Mar 15, 2016 8:51 am

Comtech 23cm boards chips IC's

Postby keng8vdp » Mon Sep 18, 2017 6:58 pm

Looking for the standard PIC chips to fit 23cms boards from Comtech. RX and TX

Many thanks .. Ken G8VDP

g7vnpkevin
Posts: 9
Joined: Thu Oct 22, 2015 8:41 pm
Location: newmarket

Re: Comtech 23cm boards chips IC's

Postby g7vnpkevin » Sun Sep 24, 2017 11:06 pm

YOU CAN GET THEM ON EBAY THE NUMBER IS 131260947540 FOR THE NEW UP GRADED CHIP

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keng8vdp
Posts: 34
Joined: Tue Mar 15, 2016 8:51 am

Re: Comtech 23cm boards chips IC's

Postby keng8vdp » Mon Sep 25, 2017 12:47 pm

Hi Kevin, thanks for the reply.
It isn't the LCD control chip I need ( I believe that is what Mobicomm is selling on eBay )
Its the chips that come with the boards from the supplier.
Many users remove those when using an LCD controller, which is what I did around 12 years ago. I've since misplaced them dispite searching.
I've obtained some other Comtech boards from a silent key and don't wish to use an LCD controller with these hence my request " Wanted Comtech Chips/ICs "

Thanks again.. Ken

i2NDT
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Re: Comtech 23cm boards chips IC's

Postby i2NDT » Mon Sep 25, 2017 1:03 pm

Ken,
looking deeper in the Mobicomm ebay shop I found this chip:
http://www.ebay.it/itm/DFM-PLL-Control- ... 1e97876e7d
although it is only for the RX board...
maybe you can write to them asking for the TX one!

best 51
de
i2NDT Claudio
i2NDT Claudio
Dalmine, Italia

g8gtz
Posts: 730
Joined: Wed Apr 07, 2010 6:26 pm

Re: Comtech 23cm boards chips IC's

Postby g8gtz » Mon Sep 25, 2017 5:03 pm

Hi Ken

They are just standard 16F628 PICs - blank ones on ebay for less than £3.

I was given a set of all the hex files by Giles G1MFG for distribution as needed - I'm sure we put them on the BATC website somewhere but if not I have a copy here.

73
Noel - G8GTZ

g7jfi
Posts: 6
Joined: Thu Sep 29, 2016 4:31 pm

Re: Comtech 23cm boards chips IC's

Postby g7jfi » Wed Oct 04, 2017 10:41 am

If you are still stuck I can do you a pre-programmed 16F84A that drops straight in.

I have code for 23cm & 13cm TX & RX. This is not copyright code, I reverse engineered how the module is programmed and wrote my own from scratch.

Let me know if you want one, I guess about £6 posted would cover it.

73
Terry G7JFI


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