Uniden 2830 VFO mod.

Recently I've become slightly frustrated by having to press the span button so often when adjusting frequency on the 2830, I'm not sure if its the Chipswitch mod with its 4th span position or just me getting old and lazy.

Anyway I recently had an idea, locate an encoder with a momentary push button function, 3 quid something later and I have something close enough to the original but with the push function.

Today I set to work, the plan was to connect the push button function of the new encoder to the span function of the radio, quite simple, after a quick mess about I got the encoder working as it should (ie changing the frequency correctly) and I'm in business.

The Encoder prepared, next time I'll mount it onto the original VFO pcb, this was the prototype :-)

The Encoder in its new home, also showing the position of the wires piggybacked onto the original SPAN wires.

Chipswitch IC

Recently I've obtained a Chipswitch IC over here in the states, its NOS and the price was good, I intend to install this into my Uniden 2830 with the main goal of getting it onto 12 meters as well as 10, the chip itself has a number of useful features which make it worth installing.

The chip is no longer in production sadly, so I'm rather pleased to have obtained one, I really don't know why I never got one back in the 90's.

Uniden 2830 repaired

Earlier on in the year I took my Uniden 2830 out and plugged it in, No audio, confirmed the audio ic was fine and the main IC was opening squelch etc etc changed a few capacitors in the audio section and nothing, anyway I got busy with other stuff and the 2830 was left, yesterday evening 10 meters opened up briefly with sporadic E propagation into Southern UK and North Europe, well this spurred me on and last night I revisited the circit diagram for the 2830, this morning I plonked it back down on the desk, replaced a capacitor that may have been holding the squelch, bang hey prestor the 2830 is working!
Looking forward to working a few Sp. Es on it.

I've had this radio since I was around 13 years old, so its nice to see the old girl going again.





A while back I obtained a Turner 22X microphone head casing, It had been painted badly, anyway it polished up good, but was still useless as it had no internals, So! today I put a Heil HC-5 microphone element into the old beast, and mated the head up with an Electro Voice PTT microphone stand.






Quite a productive day Ham radio wise :-)