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參數(shù)資料
| 型號： | UPC8139GR-7JH |
| 廠商： | NEC Corp. |
| 英文描述： | DIODE ZENER SINGLE 350mW 5.6Vz 20mA-Izt 0.05 5uA-Ir 3 SOT-23 3K/REEL |
| 中文描述： | 單芯片收發(fā)器的硅單片小靈通 |
| 文件頁數(shù)： | 8/20頁 |
| 文件大?。?/td> | 223K |
| 代理商： | UPC8139GR-7JH |
Preliminary Data Sheet
8
μ
PC8139GR-7JH
PIN FUNCTIONS
Pin
No.
Symbol
Applied
Voltage
(V)
Pin
Voltage
Note
(V)
Function and Description
Internal Equivalent Circuit
1
I
V
CC
/2
–
Input pin for I signal. The input
impedance is about 180 k
.
2
Ib
V
CC
/2
–
Input pin for Ib signal. The input
impedance is about 180 k
. Single
ended input is also possible. In the
case of single ended input, input only
the DC voltage of Vcc/2.
1
2
2.2 k
470
470
3
Q
V
CC
/2
–
Input pin for Q signal. The input
impedance is about 180 k
.
4
Qb
V
CC
/2
–
Input pin for Qb signal. The input
impedance is about 180 k
. Single
ended input is also possible. In the
case of single ended input, input only
the DC voltage of Vcc/2.
3
4
2.2 k
470
470
5
V
CC
1
2.7 to
4.0
–
Power supply voltage pin for the
quadrature modulator block.
6
GND1
0
–
Ground pin for the quadrature
modulator block. Form as wide a
ground pattern as possible to minimize
its impedance.
7
V
CC
2
2.7 to
4.0
–
Power supply voltage pin for the VCO
block.
8
VCOout
–
1.6
Oscillator output pin. The output level
can be adjusted with an external pull-
down resistor.
8
9
GND2
0
–
Ground pin for the VCO block. Form
as wide a ground pattern as possible
to minimize its impedance.
10
VCO_E
–
2.1
Emitter pin for oscillator. Ground with
an external pull-down resistor. It can
be oscillated by performing feedback
with a resonance circuit mounted
externally between this pin and Pin 11.
11
VCO_B
–
2.9
Base pin for oscillator. It can be
oscillated by performing feedback with
a resonance circuit mounted externally
between this pin and Pin 10.
12
VCO_C
2.7 to
4.0
–
Collector pin for oscillator. Open
collector.
12
11
10
: External attachment
Note
The pin voltage is measured on Vcc=3.0 V.
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