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Immediately following the pre-amplifier there is a R432/435VD converter. This converter has two crystals that can be remotely controlled to produce the conversion from 432 to 434 Mhz, or from 435 to 437 Mhz down to the band from 28 to 30 Mhz. The noise figure is below 2.2 dB, the conversion gain is 25 dB, the image rejection is larger than 25 dB.

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-----Original Message----- From: AMSAT-BB [mailto:amsat-bb-bounces@amsat.org] On Behalf Of Jerry Ehlers Sent: Sunday, 3 September 2017 8:11 AM To: amsat-bb@amsat.org Subject: [amsat-bb] question

Hi: Where can get the spec,s for a Advanced Receiver Research Model R432/435VD pre amp I went to there web site and it wasn,t listed. Jerry w0sat _______________________________________________ Sent via AMSAT-BB@amsat.org. AMSAT-NA makes this open forum available to all interested persons worldwide without requiring membership. Opinions expressed are solely those of the author, and do not reflect the official views of AMSAT-NA. Not an AMSAT-NA member? Join now to support the amateur satellite program! Subscription settings: http://www.amsat.org/mailman/listinfo/amsat-bb