HD155121F Datasheet, PDF (33/57 Pages) Hitachi Semiconductor – RF Transceiver IC for GSM and PCN Dual band cellular systems

HD155121F
Mixer2 Typical Performance
High
High
Low
Input (IF1) ^50Ω 8p
225MHz
−50dBm
100n
8p
Input2 (IFLO) ^50Ω 4p
540MHz
−10dBm
15n
1000p
6 17 18 32 38 41 42 43
V_CC = 3.0V
44 POONRX1
45 POONRX2
46 POONTX
300
IF Amp MIX2
30
29
300
TOKO 617DB1018
(200Ω: 50Ω)
Test circuit insertion loss = 3.6dB
25
NC
1000p
50Ω
Output
(IF2)
45MHz
24
1000p
PGA
BAND 35
Low
36
÷2
LE 28
DIV
DEM _{SDATA 27}
X6 = 0 for High gain
X6 = 1 for Low gain
CLK 26
other bit is no care
7 19 31 37 40
Unit: R : Ω
C:F
Figure 6
Item
Mode Min
Typ
Max
Input (IF) Z
—
50
—
LO Z
—
50
—
i/p VSWR
—
—
2
LO VSWR
—
—
2
Note: 1. These values are not tested in mass production.
Unit Test Condition
Ω
IF1 = 225MHz
Ω
IFLO = 540MHz
IF1 = 225MHz
IFLO = 540MHz
Note
1
1
1
1
33