UPC8126K NEC, UPC8126K Datasheet - Page 13

• Manufacturer Part Number: UPC8126K
• Description: 900 MHz BAND DIRECT QUADRATURE MODULATOR IC FOR DIGITAL MOBILE COMMUNICATION SYSTEMS
• Manufacturer: NEC

TEST CIRCUIT 2
Pre-mixer + Quadrature modulator (for Power save response time)
V
CC
1 (Pre Mix)
1 000 pF
0.22 F
100 pF
Signal Generator
5.6 nH
2.5 pF
Voltage
Source
Mixout
Filter
6.8 nH
6.8 nH
7 pF
7 pF
Signal Generator
1 pF 18 nH
RFin
51
33 pF
15 nH
Preliminary Data Sheet P13488EJ1V0DS00
23
24
25
26
27
28
1 000 pF
PreMixer
33 pF
51
22
2 pF
10 nH
BPF
IFin
1
V
21
Voltage
Source
2
PS
Frequency
Doubler
2 (Pre Mix)
300
33 pF
20
3
18 nH
19
MODout
4
1 000 pF
0.22 F
TFF
100 pF
33 pF
18
Spectrum Analyzer
5
17
6
V
CC
I/Q Mixer
16
I/Q Mixer
7
2 (MOD)
100 pF
1 000 pF
0.22 F
V
V
PS
CC
15
8
1 (MOD)
3 (MOD)
14
13
12
11
10
9
Voltage
Source
Qin
Qb
Ib
Iin
Palse Pattern
Generator
I/Q Singnal
PC8126K
Generator
13