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Junior Varsity
IEM's for dummies, the poor and the well off
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<blockquote data-quote="Henry Cohen" data-source="post: 15206" data-attributes="member: 123"><p>Re: IEM's for dummies, the poor and the well off</p><p></p><p></p><p></p><p></p><p></p><p>[I think I commented on this in the old LAB?] It's not an <em>antenna</em> combiner, rather it's a <em>transmitter</em> combiner, since the device combines multiple <em>transmitters</em> into one antenna.</p><p></p><p></p><p></p><p>Also, most units do in fact have a gain stage (amplifier) so as to make up for the combining losses (same math as splitting) and result in zero-sum gain. AFAIK, only the PWS GX4 and GX8 have an AGC circuit to increase the per channel output to 100/250mW regardless of RF input power.</p></blockquote><p></p>
[QUOTE="Henry Cohen, post: 15206, member: 123"] Re: IEM's for dummies, the poor and the well off [I think I commented on this in the old LAB?] It's not an [i]antenna[/i] combiner, rather it's a [i]transmitter[/i] combiner, since the device combines multiple [i]transmitters[/i] into one antenna. Also, most units do in fact have a gain stage (amplifier) so as to make up for the combining losses (same math as splitting) and result in zero-sum gain. AFAIK, only the PWS GX4 and GX8 have an AGC circuit to increase the per channel output to 100/250mW regardless of RF input power. [/QUOTE]
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