UPC8126K NEC, UPC8126K Datasheet - Page 15

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

TEST CIRCUIT 4
Pre-mixer block
V
CC
Signal Generator
1 (Pre Mix)
1 000 pF
0.22 F
100 pF
Voltage
Source
Mixout
Spectrum Analyzer
1 pF
51
RFin
18 nH
33 pF
V
Preliminary Data Sheet P13488EJ1V0DS00
PS
Signal Generator
2 (Pre Mix)
15 nH
Voltage
Source
23
24
25
26
27
28
1 000 pF
22
IFin
1
LOinb
21
2
51
20
3
BPF
LOin
19
4
MODout
18
5
V
CC
2 (MOD)
17
6
16
7
V
PS
V
1 (MOD)
CC
15
8
3 (MOD)
14
13
12
11
10
9
Qin
Qb
Ib
Iin
PC8126K
15