HD155121F Datasheet, PDF (5/57 Pages) Hitachi Semiconductor – RF Transceiver IC for GSM and PCN Dual band cellular systems

Pin Description (cont)
Pin No.
35
36
37
38
39
40
41
42
43
44
45
46
47
48
Pin Name
BAND
IFLO
GNDDIV
VCCDIV
RFLOIN
GNDMIX1
VCCMIX1
MIX1OUT
MIX1OUTB
POONRX1
POONRX2
POONTX
MIX1INB2
MIX1IN2
HD155121F
Description
Band control (Low: GSM, High: PCN)
Output of IFVCO or Input of IF Local
GND for Divider and IFVCO
V_CC for Divider and IFVCO
Input for RF Local
GND for Mixer1
V_CC for Mixer1
Positive output for Mixer1 (GSM/PCN)
Negative output for Mixer1 (GSM/PCN)
Power save control for LNA and Mixer1
Power save control for Mixer2, PGA and demodulator
Power save control for modulator and OPLL
Negative input for Mixer1 (PCN)
Positive input for Mixer1 (PCN)
5