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參數(shù)資料
| 型號： | μPC8104GR |
| 廠商： | NEC Corp. |
| 英文描述： | IC For Didital Communication System(應用于數(shù)字通信系統(tǒng)的調制器) |
| 中文描述： | 集成電路對于Didital通信系統(tǒng)（應用于數(shù)字通信系統(tǒng)的調制器） |
| 文件頁數(shù)： | 5/20頁 |
| 文件大?。?/td> | 156K |
| 代理商： | ΜPC8104GR |
Data Sheet P10099EJ4V0DS00
5
μ
PC8104GR
PIN EXPLANATION
PIN
NO.
ASSIGN-
MENT
SUPPLY
VOL. (V)
PIN
VOL.(V)
FUNCTION AND APPLICATION
EQUIPMENT CIRCUIT
1
Lo1in
0
Lo1 input for phase shifter.
This input impedance is 50
matched internally.
2
Lo1in
2.4
Bypass of Lo1 input.
This pin is grounded through
internal capacitor.
Open in case of single ended.
3
GND for
modulator
0
Connect to the ground with
minimum inductance.
Track length should be kept as
short as possible.
4
I
V
CC
/2
Input for I signal. This input
impedance is larger than 20 k
.
Relations between amplitude
and V
CC
/2 bias of input signal
are following.
5
I
V
CC
/2
Input for I signal. This input
impedance is larger than 20 k
.
V
CC
/2 biased DC signal should
be input.
6
Q
V
CC
/2
Input for Q signal. This input
impedance is larger than 20 k
.
V
CC
/2 biased DC signal should
be input.
7
Q
V
CC
/2
Input for Q signal. This input
impedance is larger than 20 k
.
Relations between amplitude
and V
CC
/2 bias of input signal
are following.
16
MODout
1.5
Output from modulator.
This is emitter follower output.
Note
In case of that I/Q input signals are single ended.
Of course, I/Q signal inputs can be used either single endedly or differentially with proper terminations.
Note
V
CC
/2 (v)
≥
1.35
≥
1.5
≥
1.75
Amp. (mV
p-p
)
400
600
1000
Note
V
CC
/2 (v)
≥
1.35
≥
1.5
≥
1.75
Amp. (mV
p-p
)
400
600
1000
1
2
50
4
5
7
6
16
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