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References: [ +subject:/^(?:^\s*(re|sv|fwd|fw)[\[\]\d]*[:>-]+\s*)*\[TowerTalk\]\s+DC\s+and\s+UNUNs\s*$/: 5 ]

Total 5 documents matching your query.

1. [TowerTalk] DC and UNUNs (score: 1)
Author: n4zr@contesting.com (Pete Smith)
Date: Wed, 24 Feb 1999 12:29:30 +0000
The standard 50/75 ohm UNUN has a short between the center conductor and ground for DC and low frequency AC, rendering it unusable with "cableless" antenna switches and other devices that send variou
/archives//html/Towertalk/1999-02/msg00492.html (7,668 bytes)

2. [TowerTalk] DC and UNUNs (score: 1)
Author: n7ex@athenet.net (Dave_K9NX)
Date: Wed, 24 Feb 1999 13:13:22 +0000
handicap? I had the situation at one time in the past. I used a couple of really large caps (.1uf @5KV, about the size of hockey pucks) that I found at a swapfest. I put everything in a plastic box,
/archives//html/Towertalk/1999-02/msg00493.html (8,171 bytes)

3. [TowerTalk] DC and UNUNs (score: 1)
Author: W8IK@ibm.net (Joe Subich, W8IK/4)
Date: Wed, 24 Feb 1999 08:59:17 -0500
In practice, a single capacitor placed in the "ground" lead of the un-un should be all that is necessary. The un-un will provide the dc path from input to output (the relay operating current is smal
/archives//html/Towertalk/1999-02/msg00496.html (8,416 bytes)

4. [TowerTalk] DC and UNUNs (score: 1)
Author: basalop@gte.net (Jim Berry)
Date: Wed, 24 Feb 1999 09:34:06 -0800
Not to change the subject, but to ask a question. Where can I buy a 50:75 ohm UNUN's? They can be in kit form. Reason I ask is that by the time I burn up a tank of gas running around looking for the
/archives//html/Towertalk/1999-02/msg00505.html (7,620 bytes)

5. [TowerTalk] DC and UNUNs (score: 1)
Author: n7ml@imt.net (Mike Lamb)
Date: Wed, 24 Feb 1999 17:43:56 +0000
Jim, try calling Amidon at 800-898-1883 and ask for Earle Grandison. They can supply you with the parts up to the wired and tested unit in a nice metal package with connectors. 73/Mike, N7ML PS I hav
/archives//html/Towertalk/1999-02/msg00507.html (8,341 bytes)


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