[NLRS] More on sequencers

[Glen Overby]

W0ZQ at aol.com wrote:
> So that's the question ; can the receiver mixer withstand the same 144 RF  
> power level that is typically directed to the transmit mixer ?    According to 
> the DEM parts list, the transmit mixer and the receive mixer are  the same type 
> of device, a MA4E2054B.   I suspect the answer is yes IF  you have a well 
> controlled (ie; no spikes) IF source.   Any RF  power spikes coming from your IF 
> rig would most likely blow the receiver  mixer.

There is a MAR-6 and a PI attenuator (220/1k/220) on the DEMI transverter
control board between the RX mixer and the common IF.  As Chris mentioned,
DEMI also puts a pair of diodes in the receive path to protect the MMIC.

Glen