[Elecraft] XV144 and linear amplifier
Eric Swartz - WA6HHQ, Elecraft
eric at elecraft.com
Fri Jul 6 13:29:08 EDT 2007
The XV144 also provides sequencing of the PTT versus RF output. This is
described in the XV144 manual.
73, Eric WA6HHQ
---
Don Wilhelm wrote:
> Samir,
>
> The only valid reason I know of to use a sequencer is to protect
> preamplifiers and other devices that could be damaged by the onset of
> RF. Another common reason is to allow time for a slow amplifier relay
> to switch so you do not cause arcing at the amplifier contacts - I do
> not consider that a valid reason becuase the real solution is to
> replace the map relay with a faster one.
>
> So, you may not need a sequencer, but consider the amplifier relay
> speed in making your decision.
>
> 73,
> Don W3FPR
>
> Samir Popaja wrote:
>> Hello,
>>
>> I'm using XV144 with Kenwood TS-850S(will be replaced with K3). If I
>> want to
>> use it with linear amplifier, do I really need Sequence Controller (a´la
>> http://www.ssb.de/amateur/pdf/dcw2400e.pdf)? I do NOT use
>> preamplifier, no
>> need for it.
>>
>
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