Confidential
PMB 2208
preliminary
Reference
5.2.2 Mixer Input IF/IFX
Circuit for measurement:
Ω
Dr
hy
7vhÃUrr
1:$
3
3
Ω
'&
6XSSO\
9&& 3'
,)
02
'87
,);
02;
5) 5);
Q) Q)
7vhÃUrr
Ω
Ω
7vhÃUrr
Ω
Mixer Input IF/IFX S-Parameters:
f
S11
S21
S12
S22
MHz mag ang mag ang mag ang mag ang
50 0.443 172.5 0.310 10.8 0.253 11.8 0.406 168.2
250 0.317 149.8 0.403 11.4 0.398 11.5 0.310 150.9
500 0.289 143.0 0.421 4.1 0.421 4.6 0.286 144.7
750 0.294 138.2 0.418 0.6 0.418 1.2 0.288 141.0
1000 0.312 134.0 0.399 -1.4 0.401 -0.6 0.298 137.5
1250 0.330 129.4 0.383 -3.2 0.388 -2.3 0.310 133.8
1500 0.344 123.6 0.365 -5.4 0.372 -4.0 0.322 128.0
1750 0.370 116.4 0.337 -7.2 0.347 -5.5 0.338 122.3
2000 0.413 107.3 0.300 -7.7 0.318 -6.1 0.367 113.0
2250 0.472 96.4 0.263 -3.7 0.290 -4.4 0.407 102.3
2500 0.515 86.7 0.255 -1.0 0.271 -5.0 0.441 93.2
Mixer Input IF/IFX Impedances:
u
ÃP
Ãv
S
sÃvÃHC
5VG
5VV
C
Ã
Ãv
G
/VG
/VV
sÃvÃHC
Wireless Components
5-9
Specification, August 1999