UPC8129GR-E1 NEC, UPC8129GR-E1 Datasheet - Page 8

• Manufacturer Part Number: UPC8129GR-E1
• Description: UP CONVERTER WITH AGC FUNCTION + QUADRATURE MODULATOR IC FOR DIGITAL MOBILE COMMUNICATION SYSTEMS
• Manufacturer: NEC

PIN EXPLANATION
8
Pin No.
Note In the case of that I/Q input signals are single ended.
18
1
2
3
4
5
6
7
Of course, I/Q signal inputs can be used either single endedly or differentially with proper terminations.
UpCon inb
UpCon in
MODout
Symbol
RFout
Qb
Ib
Q
I
Supply
Voltage
V
V
V
V
V
(V)
CC
CC
CC
CC
–
–
–
CC
/2
/2
/2
/2
Pin
Voltage
Typ. (V)
@V
CC
2.2
2.2
1.9
–
–
–
–
–
= 3 V
Data Sheet P12781EJ2V0DS00
RF output from Up-Converter.
This pin is open collector output.
IF input for Up-converter.
This pin is high impedance
input.
Bypass of IF input.
Grounded through external
capacitor.
Output from modulator.
This is emitter follower output.
Input for I signal. This input
impedance is about 200 k .
Relations between amplitude
and V
are following.
Input for I signal. This input
impedance is about 200 k .
V
be input.
Input for Q signal. This input
impedance is about 200 k
V
be input.
Input for Q signal. This input
impedance is about 200 k .
Relations between amplitude
and V
are following.
CC
CC
V
V
/2 biased DC signal should
/2 biased DC signal should
(V)
(V)
CC
1.35
1.75
CC
1.35
1.75
1.5
1.5
CC
/2
CC
/2
/2 bias of input signal
/2 bias of input signal
Description
Signal Level
Signal Level
(mV
(mV
1000
1000
400
600
400
600
P-P
P-P
)
)
Note
Note
7
4
1
Equivalent Circuit
3
2
PC8129GR
18
6
5