"Lars E. Pettersson" <[EMAIL PROTECTED]> made an utterance to the drakelist gang
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On 06/05/2005 09:26 PM, Dick Harms PA2DW wrote:
> The only disadvantage is that the TR7 does not have a
> low level RF output on the TX side that disables the PA.
It does!
You have 0dBm of power available at "EXT ANT". If you ground pin 8 on
the accessory plug, you disable the PA.
HF-ant To transverter From converter
! ! 0 dBm !
--+-----+ ! +-----+--
! S1a/o-+ ! Converter input
EXT ANT +---o/! !
! !o------------------+ EXT RX
! ! !
Acc ! S1b/o----+ !
Pin8 +---o/ ! !
PA dis. ! o V GND !
! !
! !
EXT RX +-------------------------+ MAIN ANT
! !
--------+ +--------
Drake TR7 Drake R7
S1 DPDT, shown in VHF position (the other is HF)
73 de Lars, sm6rpz
--
Lars E. Pettersson <[EMAIL PROTECTED]>
http://www.sm6rpz.se/
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