User Guide

NSB-5
System Module PAMS Technical Documentation
Page 68 Nokia Mobile Phones Ltd. Issue 1 03/01
NOTE 1: Typical gain and NF have been simulated at -20 degrees and -30 degrees for the s888g1. The
figures in the table are for information only.
Second IF Filter
Table 25: Second IF filter specification
Power gain 7 9 dB
NF, SSB driven differential 12 dB
IIP3 single ended +4 dBm
Input compression (IdB) -5.5 dBm
Input impedance 200 ohms
1/2 IF spurious Pin =-26dBm -95 -80 dBm / 1/2IF at 443.5MHz
LO power in RF-input -25 dBm
Table 24: Simulated typical values at lower temperatures (Note 1)
25
o
C-20
o
C-30
o
C
Gain 8 dB 8 dB 8 dB
NF 8.6 dB 7 dB 7 dB
ICP -3 dBm -4 dBm
HP3 12 dBm 10.5 dBm 10.5 dBm
Parameter Minimum
Typical/
Nominal
Maximum Unit/Notes
Center frequency 87 MHz
Maximum ins. loss at 1 dBBW 9.0 11 dB
Amplitude ripple at 1 dBBW 1.5 2.0 Vpp
Group delay ripple at 1 dBBW 1.0 us pp
Bandwidth relative to 87 MHz
1 dB bandwidth
3 dB bandwidth
5 dB bandwidth
22 dB bandwidth
30 dB bandwidth
40 dB bandwidth
+/-90
+/-120
+/-230
+/-350
+/-550
+/-700
kHz
Spurious rejection, fo +/-26 MHz 65 dB
Terminating resistance Input: 1.7
Output .9
k ohms
Parameter Minimum
Typical/
Nominal
Maximum Unit/Notes