User Guide

PAMS
Technical Documentation
NSB–1
System Module
Original 06/98
Page 3 – 38
First IF Filter
Parameter Minimum Typical /
Nominal
Maximum Unit / Notes
Center frequency 487 MHz
Input/Output impedance in 240 W / –0.4 pF out 330 W / –0.2 pF W
Ripple 0.5 dB
Insertion loss 2 2.5 4.5 dB
Attenuation @ 313 MHz 30 dB
Attenuation @ 400 MHz 30 dB
DCS1900 TX SAW filter
Parameter Min. Typ. Max. Unit / notes
Passband 1850 – 1910 MHz
Insertion loss in passband 3.2 4.2 dB
DCS1900 TX Ceramic Filter
Parameter Minimum Typical /
Nominal
Maximum Unit / Notes
Passband 1850 1910 MHz
Insertion loss in passband 3.7 dB
Power Amplifier MMIC
Parameter Symbol Test condition Min Typ Max Unit
Operating freq. range DCS1800 Application circuit 1710 1785 MHz
Operating freq. range DCS1900 Application circuit 1850 1910 MHz
Supply voltage Vcc 3.0 3.5 5.0 V
Gain control range
( overall dynamic
range)
Vpc= 0.5 ... 2.2 V 45 dB
Synthesizers Blocks
VHF VCO and Lowpass Filter
Parameter Minimum Typical /
Nominal
Maximum Unit / Notes
Control voltage 0.5 4.0 V
Operation frequency 800 MHz
Output level 150 mVpp
Output impedance 50 W