Re: R-4C 17m xtal
Do you know the xtal freq offhand? [email protected]> wrote:
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Cliff Hine <Fofield@...>
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#69512
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Re: R-4C 17m xtal
Know the crystal freq offhand?
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Cliff Hine <Fofield@...>
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#69511
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Re: R-4C 17m xtal
Here is a link to a seller on eBay that might be able to help you. I have it You need it Store | eBay Stores ( https://www.ebay.com/str/ihaveityouneeditstore )
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K6OXN Bob
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#69510
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R-4C 17m xtal
Filling in the WARC bands I've found xtals for 30m and 12m, but I'm not having any luck tracking one down for 17m. Anybody have a pointer to where I might find one? Thanks, --lyndon
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Lyndon Nerenberg (VE7TFX/VE6BBM) <lyndon@...>
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#69509
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Re: Low Capacity Injection Cables
Reading the article we need something that is flexible and low in capacitance and try for a total of 60pf in the cable. Here is something that might work quite well.
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Michael W1NR
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#69508
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Re: Need help installing Sherwood product detector
If anyone is installing a Sherwood style product detector mod in an R-4B, my instructions might be helpful. I cut one trace on the Drake pcb instead of removing a bunch of components from it.? The
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Gary WB6OGD
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#69507
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Re: Need help installing Sherwood product detector
Thanks guys. Ver E of the instructions that I was using refers to connecting to the output pins of T11 twice. The first time it says to connect a wire from one of the vacated T11 pins to the BFO
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Bill Leonard N0CU
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#69506
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Re: Low Capacity Injection Cables
You are correct. I use RG-62 in ~3ft lengths and it works very well. 73, Walter KR4HV
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Walter
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#69505
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Re: Need help installing Sherwood product detector
Bill, If you built the board you should know where it goes..? Reading his instructions, it sounds like his board has 2 bare wires, one is ground, the other is the T11 connection. His article has a
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Gary WB6OGD
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#69504
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Re: Need help installing Sherwood product detector
on the schematic you will see the connections from the T10 and T 11 to the board. This should clear it up. I am restoring my original R4B that has this in it and next time I can get to the barn I will
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David
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#69503
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Re: Need help installing Sherwood product detector
Bill, try this version of the installation instructions. PDF attached. Rob, NC0B Sent: Friday, February 10, 2023 8:50 AM To: [email protected] Subject: [DRAKE-RADIO] Need help installing Sherwood
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Rob Sherwood
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#69502
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Need help installing Sherwood product detector
I am installing his product detector board that I built and near the end of the installations it says to attach the bare wire to T11. Where does the bare wire come from on the PD board??If it is a
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Bill Leonard N0CU
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#69501
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Re: Low Capacity Injection Cables
Thanks for the valuable feedback 73 Rob
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Rob PA9Z
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#69500
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Re: Low Capacity Injection Cables
Asked and answered years ago by the founder of this group K4OAH (SK). /g/DRAKE-RADIO/message/50555 73 -Jim NU0C "Rob PA9Z" <pa9z.groups.io@...> wrote:
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Jim Shorney
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#69499
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Re: Low Capacity Injection Cables
Bill Losef via groups.io writes: WB6TNF is who I got my set from (via eBuy). There is a basic set (2 x RG62), and a full set (2 x RG62, 1 x RG58, and some RCA patches for VOX/Mute/PTO lamp). I bought
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Lyndon Nerenberg (VE7TFX/VE6BBM) <lyndon@...>
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#69498
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Re: Low Capacity Injection Cables
RG-62 is the closest. Steve Wedge, W1ES/4 Time flies like an arrow. Fruit flies like a banana. Sent from Proton Mail for iOS
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Steve Wedge, W1ES/4
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#69497
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Re: Low Capacity Injection Cables
?39" of RG-62 works well and is used by many of us. And yes, there are a couple of eBay sellers who offer two pre-made cables of RG-62, ready to go, if you don't want to get a short length and roll
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Dan
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#69496
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Re: Low Capacity Injection Cables
There is a Ham selling the complete cable set up for the twins on ebay. I bought the set and the radio works much better. Hears anything that the icom 7300 does and sometimes better. He has quality
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Bill Losef
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#69495
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Re: Low Capacity Injection Cables
RobIIRC the critical cable is the injection cable and that has to have a capacitance of 38pf.?? For the injection cable a three foot length of RG-62 works. I believe RG-58 is anywhere from 25-30pf
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Steve W7SJT
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#69494
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Re: Low Capacity Injection Cables
BELDEN 8421 is the specified cable for that.? No, I don't have any more on hand. Paul K0UYA
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Paul Kraemer
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#69493
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