參數(shù)資料
型號(hào)： 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(yè)數(shù)： 9/20頁(yè)
文件大?。?/td> 223K
代理商： UPC8139GR-7JH
Preliminary Data Sheet
9
μ
PC8139GR-7JH
PIN FUNCTIONS
Pin
No.
Symbol
Applied
Voltage
(V)
Pin
Voltage
Note
(V)
Function and Description
Internal Equivalent Circuit
13
V
CC
3
2.7 to
4.0
–
Supply voltage pin for the IF amplifier
and RSSI block.
14
IFout
–
1.5
Output pin for the IF amplifier.
14
15
RSSIou
t
–
0.5
(No input
signal)
Output pin for the RSSI. The output
resistance is about 35 k
.
15
35 k
16
IFin1
–
1.9
Input pin for the IF amplifier. The input
resistance is about 330
.
17
IFin2
–
1.9
Input pin for the IF amplifier. The input
resistance is about 330
.
17
16
18
GND3
0
–
Ground pin for the IF amplifier, RSSI
block, and 2nd down converter block.
Form as wide a ground pattern as
possible to minimize its impedance.
19
V
CC
4
2.7 to
4.0
–
Power supply voltage pin for the 2nd
down converter block.
20
2nd
MIXout
–
1.5
Output pin for the 2nd down converter.
The output resistance is about 330
.
20
21
2nd
MIXinb
–
1.9
Bypass pin for the 2nd down converter
block. Ground this pin through an
external capacitor.
22
2nd
MIXin
–
1.9
Input pin for the 2nd down converter.
High impedance input.
22
21
: External attachment
Note
The pin voltage is measured on Vcc=3.0 V.
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