HD155121F Datasheet, PDF (42/57 Pages) Hitachi Semiconductor – RF Transceiver IC for GSM and PCN Dual band cellular systems

HD155121F
IQ Modulator and OffsetPLL Typical Performance (cont)
Phase error vs. Temperature
GSM mode (902MHz)
10
RMS
9
peak
8
Operating voltage range
7
6
5
4
3
2
1
0
−60 −40 −20 0 20 40 60 80 100 120
Temperature (°C)
Phase error vs. Temperature
PCN mode (1747MHz)
10
RMS
9
peak
8
Operating voltage range
7
6
5
4
3
2
1
0
−60 −40 −20 0 20 40 60 80 100 120
Temperature (°C)
Phase error vs. V_CC
GSM mode (902MHz)
10
9
8
Operating voltage range
7
6
5
4
3
2
1
0
2
2.5
3
3.5
V_CC (V)
RMS
peak
4
4.5
Phase error vs. V_CC
PCN mode (1747MHz)
10
9
8
Operating voltage range
7
6
5
4
3
2
1
0
2
2.5
3
3.5
V_CC (V)
RMS
peak
4
4.5
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