Nope didn't miss your post and comments. While I was not model
specific, Yaesu is noted to be a key click generator due to overshoot
and keying ramp timing. Jim, K9YC also referenced this in his
message. {So it isn't just me!} Maybe the 2 models you have are
clean, but most Yaesu radios have issues of this type. I have a friend
and neighbor and club member that has 3 different Yaesu radios. Two are
FTdx3000 radios. They all have it. He's sent his to Yaesu for
service. They return it saying found nothing wrong. I took one of his
radios and measured the artifact with my spectrum analyzer. I then sent
the radio and the data from the spectrum analyzer to Yaesu. There
response was "oh, must be the way you measured it". Sorry, but in my
opinion, they are a bull shit company. I would never use a Yaesu radio
if it was provided to me free of charge. They do have good receivers
however.
73
Bob, K4TAX
On 9/21/2021 1:26 PM, Salvatore ["Ted"] K2QMF wrote:
Bob,
I guess you missed my post!!
Yeasu Does NOT have the overshoot issue!!
K2QMF
On 9/21/2021 2:14:12 PM, Bob McGraw <rmcg...@benlomand.net> wrote:
As to the attenuator, a 6 dB attenuator rated at 100 watts is no big
deal. The challenge is to switch the attenuator in and out between TX
and RX modes.
A better solution for all is to use a transceiver which DOES NOT have
the problem. As Jim, K9YC indicated, many do and require either
operating system/firmware changes or in some cases, hardware changes.
I'm with him on this.
I can attest to the fact, my K3S, my Tentec Omni VII and Tentec Eagle DO
NOT have the overshoot issue. The issue can be resolved.
ICOM, Kenwood, Yaesu.........are you listening?
73
Bob, K4TAX
Message: 8
Date: Mon, 20 Sep 2021 09:21:15 -0700
From: jerry
To: Bob McGraw
Cc:elecraft@mailman.qth.net
Subject: Re: [Elecraft] KPA1500 Power Level
Message-ID:<6f2e7001d988f150b7f0f39517b3d...@tr2.com>
Content-Type: text/plain; charset=UTF-8; format=flowed
On 2021-09-19 19:47, Bob McGraw wrote:
> Based on personal experience and observations with another ham radio
> brand and company, it is most often the case that power overshoot is
> likely to occur when the transceiver is operated at reduced power.?
> Namely to drive a power amplifier.??
*** So I guess the obvious fix is to operate the exciter at full power
and
insert an attenuator in line. It would be serious piece of equipment
though.
- Jerry KF6VB
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