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參數(shù)資料
| 型號(hào)： | μPC8100GR |
| 廠商： | NEC Corp. |
| 英文描述： | Silicon Up/Down-Converter(上/下變頻轉(zhuǎn)換器) |
| 中文描述： | 硅上/下變頻器（上/下變頻轉(zhuǎn)換器） |
| 文件頁(yè)數(shù)： | 3/16頁(yè) |
| 文件大?。?/td> | 141K |
| 代理商： | ΜPC8100GR |
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3
μ
PC8100GR
Data Sheet P10817EJ3V0DS00
PIN EXPLANATION
1
GND
0.0
–
2
RF bypass
–
1.1
3
RF input
–
0.9
4
Peaking out
–
0.12
5
Power-save pin
0 to 4.5
–
for
downconverter
6
Power-save pin
0 to 4.5
–
for
upconverter
7
V
CC
for
2.7 to 4.5
–
upconverter
8
RF output
same as
–
V
CC
through
intactor
9
GND
0.0
–
6
5
or
8
REG.
PIN
NO.
ASSIGNMENT
APPLIED
VOLTAGE (V)
PIN VOLTAGE
(V)
FUNCTION AND APPLICATION
EQUIVALENT CIRCUIT
Ground for downconverter.
Must be connected to the system ground
with minimum inductance. Ground pat-
tern on the board should be formed as
wide as possible.
(Track length should be kept as short as
possible.)
Bypass of RF input for downconverter.
This pin is RF input for downconverter
designed as double balanced mixer.
This high-impedance input should be
matched with external chip inductor. (eg
4.7 nH).
Open emitter pin of low noise amplifier.
Grounded with capacitor (eg 3 pF) and
register (eg 22
) serially.
This pin can control downconverter’s
ON/OFF operation with bias as follows;
Bias: V
Operation
V
PS
≥
1.8
ON
0 to 1.0
OFF
This pin can control upconverter’s ON/
OFF operation with bias as follows;
Bias: V
Operation
V
PS
≥
1.8
ON
0 to 1.0
OFF
Supply voltage for upconverter.
Must be connected bypass capacitor
(e.g 1 000 pF) to minimize ground im-
pedance.
F output from upconverter.
Connect the V
CC
through inductor (eg 15
nH).
Ground for RF amplifier of upconverter.
2
REG.
3
REG.
4
V
CC
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