HD155101BF Datasheet, PDF (24/50 Pages) Hitachi Semiconductor – RF Single-chip Linear IC for GSM and EGSM Systems

HD155101BF
1st Mixer Measurement Results
Conditions:
Vcc = 3.0 V
POONRX1 (pin 1) = 3.0 V
POONRX2 (pin 2) = 3.0 V
POONTX (pin 7) = 0 V
3.0 V
1000 p
Load: 400 ohm Balanced
TOKO: 617PT-1206
800 Ω: 50 Ω
Insertion loss: 1.5 dB@225 MHz
Vcc
1 2 4 8 11 20 31 34 41 45
50 Ω 2.5 p 1000 p
Input (LO)
44
1165 MHz, −10 dBm
3.3 n
50 Ω 4 p
Input (RF)
940 MHz, −50 dBm
47
10 n
48
3p
Lo Buff2
Lo Buff
Gilbert
Cell Mix
5 7 9 22 30 35 40 46
43 ^{100 n}
1000 p
42 _{3 p}
1000 p
Output (IF)
225 MHz
50 Ω
Figure 11 Evaluation Circuit for 1st Mixer
10
16
5
14
C.G. [dB]
Vcc=3.0V
0
ICP [dBm]
NF SSB [dB]
Pin=−50dBm
Pin(LO)=−10dBm
Freq.IF=225MHz
12
−5
10
−10
8
−15
880
900
920
940
960
980
1000
Frequency [MHz]
Figure 12 Gain, NF, ICP vs. Frequency
6
1020