HD155101BF Datasheet, PDF (34/50 Pages) Hitachi Semiconductor – RF Single-chip Linear IC for GSM and EGSM Systems

HD155101BF
IQ Demodulator Measurement Results
3.0 V
1000 p
45 MHz
TOKO
50 Ω
617DB-1018
3300 p _{50 Ω: 200 Ω}
33
3300 p
32
3300 p
50 Ω
Input (IFLO)
540 MHz, −10 dBm
21
0.01 µ
1 2 4 8 11 20 31 34 41 45
AGC
2k2k
10 k
2nd order
Butterworth filter
10 k
2nd order
Butterworth filter
90 MHz
divider
45 MHz
÷6
÷2
(90° phase shifter)
5 7 9 22 30 35 40 46
Conditions:
Vcc = 3.0 V
POONRX1 (pin 1) = 3.0 V
POONRX2 (pin 2) = 3.0 V
POONTX (pin 7) = 0 V
28 ^IOUT
27 ^{IOUTB V}
10 k
26 ^QOUT
V
25
10 k
10 k
QOUTB _{10 k}
Single ended 1kΩ input impedance
Single ended 10kΩ load impedance
Figure 31 Evaluation Circuit for the I&Q Demodulator Block