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Re: CW filter
I do that with my TS-590s at home all the time. Paul Braun WD9GCO Anchor, Amateur Radio Newsline Certified Music Junkie "Never follow anyone. Be your own hero." -- Neil Peart "Music washes from
By Paul Braun · #53684 ·
Re: CW filter
Technique dates back to late 1950s when I updated from Heathkit to *Hallicrafters SX-99 hi HI N3AAZ *
By John Kirby · #53683 ·
Re: CW filter
Thanks, John -- I'll give that a try. I have a lot to learn around AGC and gain controls still. Quentin CAUDRON, PhD quentincaudron.com
By Quentin, K7DRQ · #53682 ·
Re: CW filter
Suggestion for? CW and lack of or too much AGC Especially useful for noisy band conditions Disable AGC Turn RF gain full CCW (minimum) Turn AF gain to 3/4 max Advance RF gain for your listening
By John Kirby · #53681 ·
Re: CW filter
Thanks, all, for the responses. Yes, this is for a FT-857D. They are hard to find ! Regarding the DSP, it performs well, but at the AF level. You can dial in the digital bandpass filter nicely, but
By Quentin, K7DRQ · #53680 ·
Re: CW filter
If my stolen FT-857D is parted out the 500Hz and 2300Hz Collins filters will be for sale. On Sat, Nov 4, 2023 at 0:20, Quentin, K7DRQ<quentincaudron@...> wrote: Hello all, Does anyone have
By vironpayne · #53679 ·
Re: CW filter
Quentin, et al, You did not mention for what xcvr 817/8 or 857 vs 857D IF for the 857D AND at todays price of these filters you will be disappointed IF for CW the 857D's onboard DSP (es associated
By John Kirby · #53678 ·
CW filter
Hello all, Does anyone have a Collins mechanical filter they'd be willing to sell ? I'm looking for either : - 300 Hz, part number 526 8733 010, code YF-122CW (
By Quentin, K7DRQ · #53677 ·
Re: 857D pulling 2.9 amps at idle and the PLL unlocked. Help!
https://www.arcticpeak.com/files/FT-897%20Technical%20Supplement.pdf
By Adrian Fewster <vk4tux@...> · #53676 ·
Re: 857D pulling 2.9 amps at idle and the PLL unlocked. Help!
I don't think so, , usually insufficient current flows, due to the extra series resistance of a bad connection . Check ohms law. A bad connection will cause high volt drop across it, perhaps that was
By Adrian Fewster <vk4tux@...> · #53675 ·
Re: WANTED: Yaesu TCXO-9
If you want a good mobile antenna get the Little Tarheel ll they tune from 80 meters to 6 meters. tarheelantennas.com Best Regards Hanford R. Wright WA4LZC CCA # AC11-12590
By Hanford Wright · #53674 ·
Re: 857D pulling 2.9 amps at idle and the PLL unlocked. Help!
Well first off if the radio was new and had not been messed with I would start by going back and removing the filter you installed, I assume you did not check the unit out prior to that, also while it
By Mike <mjtdk@...> · #53673 ·
Re: WANTED: Yaesu TCXO-9
If you're going to all that trouble, why don't you just buy an ATAS so you can automatically tune it?? I replaced Hustlers after 50 years on my mobile and wish I had done it sooner!?Ron Jakubowski,
By Ron Jakubowski · #53672 ·
857D pulling 2.9 amps at idle and the PLL unlocked. Help!
Hi, Last year, I bought a used FT-857D from a gentleman. It was new in box but sat in a closet for 15 years. Today I turned it on and heard the relays switch on and off a bunch and saw the frequency
By Noah Chalker · #53670 ·
Re: Buttons not working
Good for you Andreas? On Fri, 27 Oct 2023 at 22:44, Andreas, OE3ANC<mail@...> wrote: It seems like the 2 470 ohm resistors right after J1025 PIN 7 and PIN 8 where blown. I replaced them and
By Ted Taylor · #53669 ·
Re: Buttons not working
Well done Andreas, Phil / K4PO
By Philip - K4PO · #53668 ·
Re: WANTED: Yaesu TCXO-9
This is a guess on my part as I've no interest in delving into the "how it works", but I'm pretty sure that the TXCO improves the stability of frequency generation circuits, I do know that for time
By John · #53667 ·
Re: WANTED: Yaesu TCXO-9
The issue with the Chinese TCXOs is that they are actually programmable PLL oscillators and have more distortion to the waveform than a single crystal would. This means that the RMDR or mixer noise
By J.D. Barron · #53666 ·
Re: WANTED: Yaesu TCXO-9
You can get a knock-off from Aliexpress, probably not as good as the Yaesu one but I'll bet better than the original one that came with the 857. John VE7KKQ
By John · #53665 ·
Re: WANTED: Yaesu TCXO-9
SRI to ask a silly question. What does the TCXO effect to? I understand it may stable the VFO QRH but so what¡¯s good with it? // HIRO, JJ1FXF
By HIRO, JJ1FXF · #53664 ·