[1000mp] ft1000mp mkV amp switching

[Dirk Desloovere]

----- Original Message -----=20
From: Dirk Desloovere=20
To: YAESU@contesting.com ; va3cr@rac.ca=20
Sent: Monday, August 26, 2002 10:18 AM
Subject: ft1000mp mkV amp switching


Dear,

I have a ft1000mp mkV in use for two months now and I am confused abt =
the amp swiching capabilities.

The manual states (page 12) that : .... The TX GND jack on the =
transceiver rear panel is connected to an internal relay, for non-QSK =
T/R swithcing of lineair amplifiers that use AC switching voltage or DC =
voltage greater than +15V, negative DC voltage of any kind (such as the =
HEATH SB220/SB221 models) or if they are required to sink more than =
100mA for T/R switching.  A schematic .....

With the relay enabled, the Mark V can support non QSK-switching =
voltages up to 100 VAC @ 500ma  or DC voltage up to 60V@200mA.

I want to switch a mentioned SB220  rated at 125VDC@80mA.   =20

The manual is quite confusing on this subject : first they mention the =
SB220 and later the relay can only switch 60VDC... ?=20

But there is another subject that I have no answer on it :

The ft1000mp uses a mechanical relay part nr. RL1004   AG4013   and the =
manual states that this relay is capable of switching 125V@500mA or =
220V@300mA  AC or DC . (found in the technical overview on VA3CR  =
website)

The mark V uses the same relay  RL1004  AG4013 !  (found on the =
schematic of my mark V).

Any explanation of the switching difference ? =20
Or any experience  swiching a SB220/SB221 with the mk V ? =20
Or any experience  qsk swithing the a modified SB220/SB221 (AG6K design) =
with the mkV ?=20


Regards=20
ON4ADZ
DIRK=20



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