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References: [ +subject:/^(?:^\s*(re|sv|fwd|fw)[\[\]\d]*[:>-]+\s*)*\[TenTec\]\s+\"Low\s+Note\"\s+221\s+250Hz\s+Filter\s+Problem\s*$/: 4 ]

Total 4 documents matching your query.

1. [TenTec] "Low Note" 221 250Hz Filter Problem (score: 1)
Author: "Peter Hoon" <peter@nednet.net>
Date: Sun, 4 Mar 2007 10:23:01 -0700
Fellows, Have the model 221 "low note" 250 Hz 9Mhz IF filter. On my Xceiver, an Omni 6 Plus, late serial number, it is in the "N-2" position. Am aligning my S meter with a 50 uV signal from Calibrate
/archives//html/TenTec/2007-03/msg00039.html (7,559 bytes)

2. Re: [TenTec] "Low Note" 221 250Hz Filter Problem (score: 1)
Author: "Dr. Gerald N. Johnson" <geraldj@storm.weather.net>
Date: Sun, 04 Mar 2007 12:12:56 -0600
That sounds like way too large a capacitor for trimming a crystal to frequency, and too important to be missing. Unless there is some other coupling a missing series capacitor ought to increase the i
/archives//html/TenTec/2007-03/msg00041.html (8,723 bytes)

3. Re: [TenTec] "Low Note" 221 250Hz Filter Problem (score: 1)
Author: "Peter Hoon" <peter@nednet.net>
Date: Sun, 4 Mar 2007 12:42:24 -0700
Jerry, K0CQ, Nope, there is no jumper across the missing capacitor slot. It is just plain missing. Jerry, according to my translation from the handbook, the missing 102J small, blue, low voltage, pol
/archives//html/TenTec/2007-03/msg00045.html (10,033 bytes)

4. Re: [TenTec] "Low Note" 221 250Hz Filter Problem (score: 1)
Author: "Dr. Gerald N. Johnson" <geraldj@storm.weather.net>
Date: Sun, 04 Mar 2007 13:57:07 -0600
Looks right 10 plus 2 trailing zeroes. If the value is critical (and at RF 1000 pf is not usually a critical value, more for coupling or bypassing), it will change value for a while as it cools from
/archives//html/TenTec/2007-03/msg00047.html (9,497 bytes)

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