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Author Topic: Is there a hybrid with a separate receive antenna port?  (Read 11879 times)
KD0ZGW
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« on: February 19, 2015, 09:15:10 AM »

Is there a hybrid with a separate receive antenna port?  I am looking to add some Beverage antennas and would like to avoid the external hardware required for a rig without the dedicated receive port.

thx in advance for help.

KD0ZGW
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KM1H
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« Reply #1 on: February 19, 2015, 03:28:47 PM »

The TS-830 has a transverter port on the back panel and maybe some of the other KW hybrids also.

Carl
KM1H
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KK5DR
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« Reply #2 on: February 19, 2015, 05:18:00 PM »

FT-102 has one.
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N8CBX
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« Reply #3 on: February 19, 2015, 07:32:22 PM »

My Tempo 2020 has one built in.
Jan N8CBX
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Dayton Ohio - The Birthplace of Aviation
ZS6DX
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« Reply #4 on: February 19, 2015, 09:49:14 PM »

FT-102 has one.

Yes, definitely the FT-102, will check the FT-901....
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G3RZP
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« Reply #5 on: February 20, 2015, 01:40:38 AM »

If you are looking for 80m CW DX, be careful with the FT102 as it has a nasty receive spurious at the bottom edge. A strong signal on 3500 point anything will be breaking through as you tune up the band getting weaker and disappearing by the time you get to 3505. Some production runs are absolutely vile on key clicks, too, while the relays are renowned for giving trouble. All these can be fixed with greater or lesser ease, the hardest being the 3.5MHz spurious response.
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W4OP
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« Reply #6 on: February 20, 2015, 05:53:07 AM »

The prettiest of them all- the TS900 has a RX ANT  connector:
http://www.parelectronics.com/vintage-kenwood-ts-900.php

Dale W4OP
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WA2OLZ
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« Reply #7 on: February 21, 2015, 01:08:45 PM »

Of course, there is always the Kenwood Hybrid Twins - the R599, T559 series
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WB0CJB
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« Reply #8 on: February 21, 2015, 02:25:59 PM »

The Kenwood TS-520S does.
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W5RKL
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« Reply #9 on: February 22, 2015, 12:24:39 PM »

The Kenwood TS-520S does.


The EXT REC ANT socket on the rear of the TS-520S is not for a separate receive antenna but rather for a separate "sub receiver" as stated in the TS-520 operator's manual on page 16. This can
be seen by tracing the EXT REC ANT wiring in the TS-520S schematic.

If the TS-520 rear panel EXT REC ANT switch is set to REC ANT position, there will be no TS-520S receive through the 520's internal receiver.

73
Mike W5RKL
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K1DA
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« Reply #10 on: February 28, 2015, 08:28:59 AM »

The TR4 has a switch in the antenna line which can be used that way.   We would have to call the TR4 a tube rig rather than hybird, though. 
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N8YX
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« Reply #11 on: March 02, 2015, 07:06:45 AM »

TS-820S also incorporates a sub-receiver antenna connector.

If you run one with a companion R-820 you could connect your Beverages to the receiver's antenna port. It's been a while since I was into the R-820 service manual and I cannot remember if the rig has an internal relay which disconnects the antenna port on transmit. If not, it would be a good idea to add one if thinking about using the receiver in this manner.
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