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參數(shù)資料
| 型號(hào)： | UPC2795 |
| 廠商： | NEC Corp. |
| 英文描述： | GENERAL PURPOSE L-BAND DOWN CONVERTER |
| 中文描述： | 一般用途L波段下變頻器 |
| 文件頁數(shù)： | 2/12頁 |
| 文件大?。?/td> | 133K |
| 代理商： | UPC2795 |
2
μ
PC2795GV
PIN EXPLANATIONS
Pin
NO.
Symbol
Pin Volt
(V, TYP.)
Explanation
Equivalent Circuit
1
RF IN
2.1
RF signal input pin.
Double balanced mixer with Tr.1
and Tr. 2.
2
GND
0.0
Ground pin.
3
V
CC
5.0
Power supply pin.
4
IF OUT
2.3
IF output pin.
This pin is assigned for the emitter
follower output with low impedance.
5
OSC
Base 2
2.8
Base pin of oscillator with balanced
amplifier.
Connected to LC resonator through
cuppling capacitor.
6
OSC
Collector 1
5.0
Collector pin of oscillator with
balanced amplifier.
Assemble LC resonator with 5 pin
through capacitor to oscillate with
active feedback loop. Loads should
be connected to this pin.
7
OSC
Collector 2
5.0
Collector pin of oscillator with
balanced amplifier.
Assemble LC resonator with 8 pin
through capacitor to oscillate with
active feedback loop. Loads should
be connected to this pin.
8
OSC
Base 1
2.8
Base pin of oscillator with balanced
amplifier.
Connected to LC resonator through
cuppling capacitor.
Vcc
IF
Lo Buffer
1
Vcc
4
8
6
7
5
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| UPC2795GV | 制造商:NEC 制造商全稱:NEC 功能描述:GENERAL PURPOSE L-BAND DOWN CONVERTER |
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| UPC2797GR-E1 | 制造商:NEC 制造商全稱:NEC 功能描述:FREQUENCY DOWN CONVERTER FOR VHF TO UHF BAND TV/VCR TUNER |
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