ME2-RX  2m dual RX  measurements

RX1 & RX2 Measurements: (by HG5AZB)
                                            
Meas. equipments: R&S SMU200/A, R&S FSIQ3, Anritsu MS2661C, MS2668C

Front ends: PGA-103+ on both RX
IF mixers: CSYM-1815 ( +17dBm level MCL)- measurements
Gain: max. 28dB ( variable btn. 15 to 28dB on both RX)
LO: 116MHz    +15dBm
IF amp: ASF240 or ASF250 (ASB) >40dB OIP3 - measurements
RX OIP3   > +24dBm ( on both RX)
IP3: >+4dBm
 


RX1 and RX2 noise figure measurement ( typical on both RX)


RX OIP3/20KHz (typical on both RX)


OIP3= 24.5dBm
 

RX 1dB compression point(typical on both RX)


 


Attenuation btn. RX1in and RX2in(& vica-versa)



 

TCXO phase noise ( AXTAL 0.5ppm, 116MHz)


 

AXTAL 0.5ppm TCXO  approx. short time stability measurement.
(measured on 0.1ppm RX, 10min after switch on)



 



103000 0 5 6.4 -5 3 #         103100 0 5 6.4 -5 3 #
103200 0 5 6.2 -5 3 #         103300 0 4 6.4 -5 3 #
103400 0 4 6.4 -5 3 #         103500 0 1 6.5 -5 3 #
103600 0 0 6.4 -5 0 #         103700 0 0 6.4 -5 1 #
103800 0 1 6.6 -5 4 #         103900 0 1 6.4 -4 2 #
104000 0 0 6.4 -5 1 #         104100 0 0 6.3 -5 1 #
104200 0 0 6.3 -4 3 #         104300 0 2 6.4 -5 3 #
104400 0 4 6.3 -4 3 #

The short time ( 15min)stability is 1Hz.