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參數(shù)資料
| 型號(hào)： | UPC2722 |
| 廠商： | NEC Corp. |
| 英文描述： | GENERAL PURPOSE L-BAND DOWN CONVERTER ICs |
| 中文描述： | 一般用途L波段向下轉(zhuǎn)換器IC |
| 文件頁(yè)數(shù)： | 3/12頁(yè) |
| 文件大?。?/td> | 90K |
| 代理商： | UPC2722 |
Data Sheet P11102EJ4V0DS00
3
μ
PC2721,
μ
PC2722
PIN
No.
SYMBOL
PIN VOLT
TYP.(V)
Function and Explanation
Equivalent circuit
1
OSC base
(bypass)
2.9
Internal oscillator consists in balance
amplifier. 2 pin and 3 pin should be
externally equipped with tank resonator
circuit in order to oscillate with feedback
loop.
2
OSC base
(feedback)
2.9
3
OSC
collector
(coupling)
5.0
4
V
CC
5.0
Supply voltage pin for the IC.
5
IF output
μ
PC2721
2.9
In
μ
PC2721, IF amplifier is designed as
single-end push-pull amplifier.
This pin is assigned for the emitter follower
output with 50
constant resistive
impedance in wide band.
μ
PC2721
μ
PC2722
5.0
In
μ
PC2722, IF amplifier is designed as
balance amplifier.
This pin is assigned for the open collector
output with high impedance dependent on
external inductance.
μ
PC2722
6
GND
0.0
GND pin for the IC.
7
RF input 2
(bypass)
2.4
7 pin and 8 pin are inputs for mixer
designed as double balanced type. Either
pin can be assigned for input and another
for ground.
8
RF input 1
2.4
1 pin should be grounded through
coupling capacitor to 0.5 pF.
3 pin is defined as open collector. This pin
should be coupled through resistor or
chock coil in order to adjust Q and be
supplied voltage. In case of abnormal
oscillation, adjust its Q lower to stabilize
the operation.
3
1
V
CC
2
5
5
8
7
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| UPC2722GR | 制造商:NEC 制造商全稱:NEC 功能描述:SILICON MMIC L BAND DOWNCONVERTER |
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| UPC2722GV-E1 | 制造商:NEC 制造商全稱:NEC 功能描述:GENERAL PURPOSE L-BAND DOWN CONVERTER ICs |
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