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參數(shù)資料
| 型號： | μPC8112T |
| 廠商： | NEC Corp. |
| 英文描述： | Silicon MMIC 1st Frequency Down-Converter(下變頻轉(zhuǎn)換器單片微波集成電路) |
| 中文描述： | 硅單片第一頻率下轉(zhuǎn)換器（下變頻轉(zhuǎn)換器單片微波集成電路） |
| 文件頁數(shù)： | 4/20頁 |
| 文件大?。?/td> | 129K |
| 代理商： | ΜPC8112T |
Data Sheet P10764EJ3V0DS00
4
μ
PC8112T
PIN EXPLANATION
Pin
No.
Pin
Name
Applied
Voltage
(V)
Pin Voltage
(V)
Function and Application
Internal Equivalent Circuit
5
V
CC
2.7 to 3.3
Supply voltage pin.
This pin should be connected with
bypass capacitor (example:
1 000 pf) to minimize ground
imped-ance.
6
IFoutput
as same as
V
CC
voltage
through
external
inductor
IF output pin. This output is
configured with open collector of
high impedance. This pin should
be externally equipped with
matching circuit of inductor should
be selected as small resistance
and high frequency use.
1
RFinput
1.2
RF input pin of mixer. This
mixer is designed as double
balanced type.
This pin should be externally
coupled to front stage with DC cut
capacitor.
2
GND
0
Ground pin. This pin must be
connected to the system ground.
Form the ground pattern as wide
as possible and the truck length
as short as possible to minimize
ground impedance.
From
LO
5
6
1
2
3
LOinput
1.4
Input pin of local amplifier. This
amplifier is designed as differen-
tial type.
This pin should be externally
coupled to local signal source
with DC cut capacitor.
Recommendable input level is
15 to 0 dBm.
To mixer
5
3
2
4
PS
V
CC
or
GND
Power save control pin. This pin
can control ON/OFF operation
with bias as follows;
5
2
4
Bias: V
Operation
V
PS
≥
2.5
ON
0 - 0.5
OFF
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