User Guide

NSB-5
System Module PAMS Technical Documentation
Page 72 Nokia Mobile Phones Ltd. Issue 1 03/01
Upconversion Mixer and Buffer in CRFU_2a
Table 30: Upconversion mixer and buffer specifications
Parameter Minimum
Typical/
Nominal
Maximum Unit/Notes
Input frequency 400 MHz
Output frequency range 1710 1910 MHz
Output level
Pin=-15dBm”2dB
048 dBm
Relative gain variations over temp
25
o
C /100
o
C
-0.3 0 dB
Relative gain variations over temp
25
o
C / -30
o
C
0+0.3dB
Relative gain variations over Vdd
2.8V / 2.9V
-0.3 0 dB
Relative gain variations over Vdd
2.78V / 2.9V
0-0.3dB
Linear gain 20 dB
OIP3 15 dBm
NF SSB differentially 15 17 dB
LO rejection -50 -15 dBc
2*LO rejection -24 -20 dBc
3*LO rejection -60 -35 dBc
4*LO rejection -35 -30 dBc
IF rejection -25 -22 dBc
2*IF rejection -20 -16 dBc
3*IF rejection -30 -25 dBc
4*IF rejection -45 -35 dBc
2*IF rejection -30 -25 dBc
Image rejection -25 -15 dBc
2*Image rejection -40 -32 dBc
2* LO - 3* IF -45 -40 dBc
Input impedance 120-j170 ohms
Output VSWR to 50W 2 with external
matching network