Gsm1900 Tx Saw Filter; Tx Buffer; Gsm1900 Tx Ceramic Filter - Nokia NSB-5 Series Technical Documentation Manual

PAMS Technical Documentation

GSM1900 TX SAW Filter

Parameter
Passband
Terminating impedance
Insertion loss in passband
Amplitude ripple in passband
VSWR in passband
Attenuation DC ... 1600 MHz
Attenuation 1600 ... 1780 MHz
Attenuation 1930 ... 1990 MHz
Attenuation 2040 ... 2110 MHz
Attenuation 2240 ... 2310 MHz
Attenuation 2310 ... 5000 MHz
Maximum drive level

TX Buffer

Parameter
Operating frequency range
Gain
NF
Current consumption
Output power (Z = 50W)
Input VSWR (Z = 50W)
Output VSWR (Z = 50W)

GSM1900 TX Ceramic Filter

Parameter
Center frequency; fo
Operating temperature range
Issue 1 03/01
Table 31: Electrical characteristics
Typical/
Minimum
Nominal
1850 - 1910
50
25 27
30 35
10 22
33 36
33 42
20 27
Table 32: TX buffer specifications
Typical/
Minimum
Nominal
1710
9 10
4
Table 33: Electrical specifications
Typical/
Minimum
Nominal
1880
-30 ... +85
Nokia Mobile Phones Ltd.
System Module
Maximum Unit/Notes
MHz
ohms
4.8 dB
2.8 dB
2.5
dB
dB
dB
dB
dB
dB
+13 dBm
Maximum Unit/Notes
1910
11 dB
3 dB
20 mA
8 dBm
2
2
Maximum Unit/Notes
MHz
deg. C
NSB-5
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