¿ªÔÆÌåÓý

ctrl + shift + ? for shortcuts
© 2025 Groups.io

Re: 2-B 50kHz Alignment Question


 

Caps can drift. Let us know how you fare.?

Steve Wedge, W1ES/4

Time flies like an arrow. Fruit flies like a banana.


Sent from Proton Mail for iOS


On Tue, May 9, 2023 at 12:22, n4buq <n4buq@...> wrote:
Steve,

I'll have to check those.

Thanks,
Barry - N4BUQ


From: "Steve Wedge, W1ES/4 via groups.io" <w1es@...>
To: "DRAKE-RADIO" <[email protected]>
Sent: Tuesday, May 9, 2023 10:13:47 AM
Subject: Re: [DRAKE-RADIO] 2-B 50kHz Alignment Question
Check the values of C50 through C52.? It wouldn't be a bad idea to check the resistors around the tuned circuit, as well.

Steve Wedge, W1ES/4

Time flies like an arrow.? Fruit flies like a banana.

Sent with secure email.

------- Original Message -------
On Tuesday, May 9th, 2023 at 10:21 AM, n4buq <n4buq@...> wrote:

Cranking up the output of the generator helped and I can hear it better on any/all band settings (was only hearing it well on one of the AUX positions but can hear it now regardless of the bandswitch which makes better sense). Also, moving the VFO doesn't affect the zero-beat now.

The problem I'm having now, though, is that I cannot zero-beat a 50.000kHz signal by adjusting T7's slug.? It is quite a bit off frequency and not sure what would cause that.

Thanks,
Barry - N4BUQ


From: "Steve Wedge, W1ES/4 via groups.io" <w1es@...>
To: "DRAKE-RADIO" <[email protected]>
Sent: Tuesday, May 9, 2023 6:54:54 AM
Subject: Re: [DRAKE-RADIO] 2-B 50kHz Alignment Question
Make sure that you have it on the right pin. I used about a 1V signal and had no trouble.?

73,

Steve Wedge, W1ES/4

Time flies like an arrow. Fruit flies like a banana.


Sent from Proton Mail for iOS


On Mon, May 8, 2023 at 23:53, n4buq <n4buq@...> wrote:
Following the manual, with the BFO and PRODUCT DETECTOR on, I've connected a 50kHz unmodulated signal through a blocking capacitor to V5, Pin 1. While I can hear the signal, if I turn the tuning knob, it changes the zero-beat and that doesn't seem correct to me.

The manual doesn't give any "initial settings" for the alignment so I'm curious how one is to zero beat that oscillator. Is there something wrong with my 2-B such that tuning the VFO changes the zero-beat for this step? If not, I'm unclear how to go about this adjustment and am asking for any advice regarding that.

Thanks,
Barry - N4BUQ








Join [email protected] to automatically receive all group messages.