Third If Filter; Third If Buffer In Summa; Transmitter Block; Iq Modulator And Tx Agc In Summa - Nokia NSB-5 Series Technical Documentation Manual

NSB-5
System Module

Third IF Filter

Parameter
Center frequency, fo
1 dB bandwidth; 1 dBBW
Insertion loss
Amplitude ripple at 1 dBBW
Group delay ripple at 1 dBBW
Attentuations, relative to fo
fo +/-400 kHz
fo +/-600 kHz
fo +/-800 KHz
Terminating impedance
Operating temperature range
Storage temperature range
Mechanical dimensions

Third IF Buffer in SUMMA

Parameter
Voltage gain (single ended input and
balanced output)
Maximum output level balanced
(RL=10kW) (harmonics -20dBc)
Input impedance
Output impedance (single end)
Buffer out to IF in isolation

Transmitter Block

IQ Modulator and TX AGC in SUMMA

Parameter
Input frequency range
Page 70
Table 27: Third IF filter specification
Typical/
Minimum
Nominal
13
+/-90
25
35
45
313 330
-20
-35
L=7.3 W=3.3 H=1.8
Table 28: Third IF buffer specification
Typical/
Minimum
Nominal
34 36
1.4
6//4
55
Table 29: IQ modulator specifications
Typical/
Minimum
Nominal
0
Nokia Mobile Phones Ltd.
PAMS Technical Documentation
Maximum Unit/Notes
MHz
kHz
6.0 dB
1.0 dB
µs p-p
1.5
dB
347 ohms
+75 C
+85 C
mm
Maximum Unit/Notes
38 dB
Vpp
kohms//pF
300 ohms
dB
Maximum Unit/Notes
300 kHz
Issue 1 03/01