HD155111F Datasheet, PDF (28/44 Pages) Hitachi Semiconductor – RF Single-chip Linear IC for PCN Cellular Systems

HD155111F
IF AMP + 2nd Mixer Measurement Results
Conditions:
3.0 V
Vcc = 3.0 V
POONRX1 (pin 1) = 3.0 V
1000 p
Output test-circuit
for IF AMP + Mixer2
POONRX2 (pin 2) = 3.0 V
POONTX (pin 7) = 0 V
1 2 4 8 11 20 31 34 41 45
evaluation only
50 Ω 9 p
Input (1st IF)
225 MHz, −40 dBm
50 Ω
39
82 n
38
10 p
150
IF AMP Mixer2
270 MHz
Divider
150
1000 p
37
Output (MIX2)
1000 p ^{45 MHz}
1000 p
1000 p
300 36
200 Ω: 50 Ω
Input (IFLO)
540 MHz, −10 dBm
0.01 µ
21 1/2
AGC
TOKO
617DB-1018
5 7 9 22 30 35 40 46
Insertion loss = 3.6 dB
Figure 19 Evaluation Circuit for IF AMP + 2nd Mixer
20
C.Gain
Pout_2IF
15
10
0
−10
1dB
−20
5
−30
0
ICP : −25dBm
−5
−70 −60 −50 −40 −30 −20 −10
0
Pin_RF [dBm]
−40
−50
10
Figure 20 Input-Output Characteristics, 1dB-Compression Point