Hi guys
my RYDE rx has been working fine until recently.
The sympton is the lock signal will from time to time go high for a short while probably less than 100mS other than that it works perfectly.
It show this glitch every few minutes or so - normally this wouldn't be a problem but as it's likely to be used in a repeater it will cause unwanted beacon transmissions.
I could filter out these glitches post Ryde but ideally would like to get to the root cause as I've not had this problem in the past.
Question - is the Ryde lock detect logic bullet proof and if so what might be causing this problem ?
FYI I don't have any transmitters operating in the shack which might be triggering it.
Regards Tim
Random lock signal
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radiogareth
- Posts: 1384
- Joined: Wed Jan 06, 2016 9:46 am
Re: Random lock signal
Have you gained local 4G or some other local strong RF recently? SAW or tight filters might be worth a play along with a look at Bandviewer to see if there is anything. Could there be a new mixer product upsetting things? (4G exp.)
Gareth
Gareth
Re: Random lock signal
Hi Tim,
I had a conversation about this with Tim MW0RUD and the later with Dave G8GKQ and Noel G8GTZ
The Ryde I have at GB3EN does this occasionally but what was a bigger issue was that if I transmitted an analogue signal on 23cm to GB3EN the Ryde would always react to it, this was a problem because the Ryde would display its red screen briefly and then the repeater would go back beacon mode, so effectively killing off any analogue reception.
I made a work around that when analogue is received a defeat signal is sent to the switcher so that valid signal from the Ryde is ignored, this works well, however in conversation with Dave and Noel they thought that the Ryde shouldn't react like that to an analogue signal.
Duncan G7VVF
I had a conversation about this with Tim MW0RUD and the later with Dave G8GKQ and Noel G8GTZ
The Ryde I have at GB3EN does this occasionally but what was a bigger issue was that if I transmitted an analogue signal on 23cm to GB3EN the Ryde would always react to it, this was a problem because the Ryde would display its red screen briefly and then the repeater would go back beacon mode, so effectively killing off any analogue reception.
I made a work around that when analogue is received a defeat signal is sent to the switcher so that valid signal from the Ryde is ignored, this works well, however in conversation with Dave and Noel they thought that the Ryde shouldn't react like that to an analogue signal.
Duncan G7VVF