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參數(shù)資料
| 型號： | μPC8129GR |
| 廠商： | NEC Corp. |
| 英文描述： | Silicon MMIC Frequency DownConverter(下變頻轉(zhuǎn)換器芯片) |
| 中文描述： | 硅單片頻率下變頻（下變頻轉(zhuǎn)換器芯片） |
| 文件頁數(shù)： | 9/28頁 |
| 文件大?。?/td> | 587K |
| 代理商： | ΜPC8129GR |
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Data Sheet P12781EJ2V0DS00
9
μ
PC8129GR
PIN EXPLANATION
Pin No.
Symbol
Supply
Voltage
(V)
Pin
Voltage
Typ. (V)
@V
CC
= 3 V
Description
Equivalent Circuit
8
LO1in
–
0
Lo1 input for phase shifter.
This input impedance is 50
matched internally.
9
LO1in b
–
2.3
Bypass of Lo1 input.
This pin is grounded through
internal capacitor.
10
11
GND for
Modulator
0
–
Connect to the ground with
minimum inductance.
Track length should be kept as
short as possible.
12
LO2in b
–
1.9
Bypass of Lo2 input.
Grounded through external
capacitor.
13
LO2in
–
1.9
Lo2 input of Up-converter.
This pin is high impedance input.
14
17
GND for
Up-con.
0
–
Connect to the ground with
minimum inductance.
Track length should be kept as
short as possible.
15
V
AGC
0 to V
CC
–
Input for AGC amplifier.
Total Output Power can be
controlled by changing input
voltage.
And as external series resistance
(R
AGC
) connecting, a slope of
AGC curve can be changed by
the resistance (R
AGC
).
16
Power
Save
0 to V
CC
–
Power save control pin can be
controlled ON/OFF state with
bias as follows;
19
V
CC
for
Up-
converter
2.7 to 5.5
–
Supply voltage pin for Up-
converter.
20
V
CC
for
Modulator
2.7 to 5.5
–
Supply voltage pin for modulator.
Internal regulator can be kept
stable condition of supply bias
against the variable
temperature or V
CC
.
: Externally
V
PS
(V)
STATE
2 to V
CC
ON (Active Mode)
0 to 0.5
OFF (Sleep Mode)
50
9
8
12
13
16
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