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Re: 23 cm xmit converter design question



Zack Lau wrote:
> 
> Watch out for local oscillator spurs and unwanted signal paths.
> Imagine what happens if 3 watts from an IF rig is only attenuated
> by 70 dB when it hits the input of -25 dBm to +13 dBm amplifier.
> (Poorly designed single board transmit converter)
> 
> RF design is much easier when you put each circuit in its own
> shielded box with filtered supply leads.--Zack W1VT

Also:  It's a good practice to make sure you have good impedence
matching between sections.  I use 1-dB 50-ohm pads between all
sections/stages for that  purpose.

Gerry -- n5jxs
n5jxs@tamu.edu



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