[Yaesu] Re: Yaesu digest, Vol 1 #696 - 4 msgs

2004年1月27日 13:40:41 -0800

Just an FYI .. the Yaesu FTdx56� employed: Twenty tubes, plus forty-two
silicon semi-conductors.
73 --- Mark AA6DX
----- Original Message ----- 
From: <[email protected]>
To: <[email protected]>
Sent: Monday, January 26, 2004 1:10 AM
Subject: Yaesu digest, Vol 1 #696 - 4 msgs
| Send Yaesu mailing list submissions to
| [email protected]
| | Today's Topics:
|| 1. Yaesu repeater ([email protected])
| 2. Re: Tube rigs ([email protected])
| 3. Re: Tube rigs ([email protected])
| 4. Yaesu FC-102 Tuner "Peak" Function Problem (Ken, WA2LBI)
|| --__--__--
|| Message: 1
| From: [email protected]
| Date: 2004年1月25日 05:29:48 EST
| To: [email protected]
| Subject: [Yaesu] Yaesu repeater
|| Could anyone give me their experience with the Yaesu 5000 or 7000
repeater?
| Thinking about purchasing a new repeater and wanted some pro's and con's
of
| those two machines.
| 73
| Mick N9DGQ
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|| --__--__--
|| Message: 2
| From: [email protected]
| To: [email protected]
| Date: 2004年1月25日 10:24:50 -0500
| Subject: Re: [Yaesu] Tube rigs
|| John asked:
| > Can anyone tell me what the last Yaesu all tube type transceiver was?
|| I *think* I can -- and probably someone else will speak up if I get it
| wrong. However the answer partly depends on your definition of 'all
| tube.' Like other manufacturers, Yaesu went solid state first in
| oscillator circuits and some or even all of the following radios may
| have solid state VFOs. I don't have time this AM to dig out the
| diagrams and be sure what's what.
|| I will not swear that *any* Yaesu set sold in the U.S. had a vacuum
| tube VFO; the only ones I'm really sure about being all-tube are the
| FL-100B/FR-100B twins which were the very first complex Yaesu
| products but were not AFAIK ever marketed in the U.S.
|| However allowing for "I think the VFO is solid state" my vote goes to
| the FT-200, marketed in the U.S. by Henry Radio under the name
| "Tempo One". These are fine nearly-all-tube radios from the end-of-
| the-vacuum-tube era, still available for a song, and an excellent bet
| for anyone wanting a vintage rig for occasional use. The later model
| (recognized by a black face rather than silver) is slightly the better
| choice. The Tempo One probably shares with the FT-101 the
| honors for killing off the dinosaur U.S. ham manufacturers -- 
| Hallicrafters, Hammarlund, National ...
|| I checked; the late (black face) Tempo One has solid state VFO and
| balanced modulator. As I recall the earlier version has a 7360
| balanced modulator.
|| The Yaesu sets sold under their own name -- FTdx 400, 401, 540,
| 560, and maybe a couple more intermediate numbers that I forget
| may have overlapped at the end with the Tempo One and since they
| had higher output, possibly even the solid state FT-101 but they're an
| earlier design.
|| The big problem with the Yaesu labelled sets of that era is quality
| control. The ones I've repaired almost uniformly had from-the-factory
| problems, some of them very hard to find. But they're also excellent
| performers once you get them going.
|| Walt Hutchens
| KJ4KV
|| --__--__--
|| Message: 3
| From: [email protected]
| Date: 2004年1月25日 11:38:47 EST
| Subject: Re: [Yaesu] Tube rigs
| To: [email protected], [email protected]
|| and I think the first hybrid...mostly solid state with vacuum tube finals
| and speech amp ( 6146/12by7a) rigs included the FT-101zd, FT901DM,
| FT902DM...all fantastic rigs that still serve well today. ie my 901 and
902 still see
| primary duty on all bands. 160-10...and your arely see them for sale on
eBay
| for reasons of performance and outstanding reliability.
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|| --__--__--
|| Message: 4
| Date: 2004年1月25日 16:33:39 -0500
| From: "Ken, WA2LBI" <[email protected]>
| To: [email protected]
| Subject: [Yaesu] Yaesu FC-102 Tuner "Peak" Function Problem
|| Good afternoon to the list.
|| I have a FC-102 that reads about 1/2 the proper output power when in the
"Peak"
| mode. In the "RMS" mode it reads correctly. I am using a CW carrier as the
test
| signal. I have the manual but there is no voltage or other troubleshooting
| information provided. Has anybody worked on the peak hold unit, PB-2381?
Can
| you provide any assistance or suggestions?
|| Thanks,
|| Ken, WA2LBI
| [email protected]
|||| --__--__--
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