ChipSwitch code

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tilburg
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ChipSwitch code

Post by tilburg »

Has anyone the 15 mtr ChipSwitch code?
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dt307
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Re: ChipSwitch code

Post by dt307 »

Rogerbird might know the password

prob wont do you much good iirc and we talking 20 years ago below 24.7? the display would still go lower but was rx and tx over 25mhz

and the designers couldnt get rid of bad spurs so they locked it out the cpu and they were way smarter than me so i never bothered
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Rogerbird1
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Re: ChipSwitch code

Post by Rogerbird1 »

Sorry, I do not have the code. It was a 'calculated ' code based on the Chipswitch serial number.
The makers of the Chipswitch technology had a program that would compute the password.
Last time I checked with Bill, he does not have it. Unfortunately the program has been erased and is no longer available.

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Re: ChipSwitch code

Post by Otter »

Add to that - the Lincoln starts going really deaf below 26MHz, so by the time to got to 21MHz it would be a bit pointless.
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Re: ChipSwitch code

Post by Rogerbird1 »

I found if you repeak the RX it does have a lot more range, at the factory they didnt tune below 26.

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Re: ChipSwitch code

Post by Otter »

I have tried that with a Spectrum analyser / tracking generator / high impedance probe, and couldn't get anything with a remotely flat response if I tried to tune lower - even just for 25MHz. In fact, when I thought I had a better response for 25MHz I found the front end transistor had gone into oscillation.
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Re: ChipSwitch code

Post by warhorse »

Anything below 28.000 megs in rx still has that 50? nano watt spur(spurious emission), i thought that was the reason why the chip switch was discontinued , even their engineers couldnt solve the 50? nan spur,
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Re: ChipSwitch code

Post by Otter »

warhorse wrote: 23 Apr 2021, 03:34 Anything below 28.000 megs in rx still has that 50? nano watt spur(spurious emission), i thought that was the reason why the chip switch was discontinued , even their engineers couldnt solve the 50? nan spur,
What 50nW spur? In Rx mode ? If it was in Rx it wouldn't be a show stopper.
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Re: ChipSwitch code

Post by warhorse »

not a show stopper under 28.000 on ham band for 88-9 the dogs bollox seriously get old anlogue tv flick down to 2799 there you go a spur!!! lol
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Re: ChipSwitch code

Post by Rogerbird1 »

I thought the Spur was in 15m TX, which was why it was pass-coded by the Chipswitch programming.
The Chipswitch was never 'Discontinued' the Microprocessor blank supply dried up.
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Re: ChipSwitch code

Post by Rogerbird1 »

Rogerbird1 wrote: 14 Aug 2021, 11:05
The Chipswitch was never 'Discontinued' the Microprocessor blank supply dried up.

until now....
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Re: ChipSwitch code

Post by ve7xpo »

Rogerbird1 wrote: 27 Aug 2021, 17:23
Rogerbird1 wrote: 14 Aug 2021, 11:05
The Chipswitch was never 'Discontinued' the Microprocessor blank supply dried up.

until now....
Do you have the original programming code for the chips?

Would be super easy to use an arduino in place of the obsolete chips. Would just need the original code.

I'm going to attempt an arduino mod in the near future, it's just another thing in my giant pile of projects to get to.
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Re: ChipSwitch code

Post by Otter »

ve7xpo wrote: 31 Jan 2022, 17:07 Do you have the original programming code for the chips?
Would be super easy to use an arduino in place of the obsolete chips. Would just need the original code.
I'm going to attempt an arduino mod in the near future, it's just another thing in my giant pile of projects to get to.
I think you'd need the source code rather than the programming file. The original device is a Hitachi 4-bit microcontroller which is programmed on an EPROM programmer.
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Re: ChipSwitch code

Post by Rogerbird1 »

And if you didnt know, I have NEW Authentic Chipswitches now. Original program in New Chips. Recently programmed.
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