UPC8104 NEC, UPC8104 Datasheet - Page 5

• Manufacturer Part Number: UPC8104
• Description: UP CONVERTER + QUADRATURE MODULATOR IC FOR DIGITAL MOBILE COMMUNICATION SYSTEMS
• Manufacturer: NEC

PIN EXPLANATION
Note In case of that I/Q input signals are single ended.
PIN
NO.
16
1
2
3
4
5
6
7
Of course, I/Q signal inputs can be used either single endedly or differentially with proper terminations.
GND for
modulator
ASSIGN-
MENT
MODout
Lo1in
Lo1in
Q
Q
I
I
SUPPLY
VOL. (V)
V
V
V
V
CC
CC
CC
CC
0
/2
/2
/2
/2
PIN
VOL.(V)
2.4
1.5
0
FUNCTION AND APPLICATION
Lo1 input for phase shifter.
This input impedance is 50
matched internally.
Bypass of Lo1 input.
This pin is grounded through
internal capacitor.
Open in case of single ended.
Connect to the ground with
minimum inductance.
Track length should be kept as
short as possible.
Input for I signal. This input
impedance is larger than 20 k .
Relations between amplitude
and V
are following.
Input for I signal. This input
impedance is larger than 20 k .
V
be input.
Input for Q signal. This input
impedance is larger than 20 k .
V
be input.
Input for Q signal. This input
impedance is larger than 20 k .
Relations between amplitude
and V
are following.
Output from modulator.
This is emitter follower output.
V
CC
CC
V
Data Sheet P10099EJ4V0DS00
CC
CC
1.35
1.5
1.75
1.35
1.5
1.75
/2 biased DC signal should
/2 biased DC signal should
/2 (v)
/2 (v)
CC
CC
/2 bias of input signal
/2 bias of input signal
Amp. (mV
Amp. (mV
1000
1000
400
600
400
600
p-p
p-p
)
)
Note
Note
1
4
7
50
EQUIPMENT CIRCUIT
16
PC8104GR
2
6
5
5