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[AMPS] IC-706 output power spike: AMP KILLER???

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Subject: [AMPS] IC-706 output power spike: AMP KILLER???
From: measures@vc.net (Rich Measures)
Date: Wed, 2 Jul 97 10:07:05 -0700
>       Some weeks ago, on the contest reflector, there was talk of the Icom
>IC-706's brief, but severe, initial power spike when first keying the rig
>into transmit --using an oscilloscope trace, some had measured as high as
>150 watts -- due to ALC characteristics. A couple folks felt ALL Icom
>transceivers had this "defect"; others had not seen it on certain models.
>It was advised NOT to use the '706 with ceramic-tube amplifiers such as the
>Alpha 87A, which could be damaged by this spike.
>
>       My delightful new '706MKII exhibits that problem: I don't have a 'scope,
>but there's no question a huge over-power spike appears on my PEP-reading
>Yaesu YS-60 power meter on initial key-down....snip...

How huge is the power spike, in watts?
Rich---

R. L. Measures, 805-386-3734, AG6K   


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