參數(shù)資料
型號(hào): UPC2757TB
廠商: NEC Corp.
英文描述: SILICON MMIC 1st FREQUENCY DOWN-CONVERTER FOR CELLULAR/CORDLESS TELEPHONE
中文描述: 硅單片第一頻率向下蜂窩轉(zhuǎn)爐/無繩電話
文件頁數(shù): 7/16頁
文件大?。?/td> 123K
代理商: UPC2757TB
Data Sheet P12771EJ2V0DS00
7
μ
PC2757TB,
μ
PC2758TB
TEST CIRCUIT
μ
PC2757TB,
μ
PC2758TB
C
1
1 000 pF
C
2
3
2
1
4
5
6
LOinput
GND
RFinput
PS
V
CC
IFoutput
(Top View)
Signal Generator
Signal Generator
3 300 pF
C
4
C
3
3 V
3 300 pF
POWER
SAVE
50
1 000 pF
50
50
Spectrum Analyzer
ILLUSTRATION OF THE TEST CIRCUIT ASSEMBLED ON EVALUATION BOARD
LO
input
RF
input
PS bias
IF
output
V
CC
C
5
C
4
C
3
GND
C
2
C
1
Voltage supply
PS
Component List
No.
Value
C
1 to 2
1 000 pF
C
3 to 5
3 300 pF
Notes 1.
35
×
42
×
0.4 mm double sided copper clad polyimide board.
2.
Back side: GND pattern
3.
Solder plated on pattern
4.
°
{
: Through holes
APPLICATION
This IC is guaranteed on the test circuit constructed with 50
equipment and transmission line.
This IC, however, does not have 50
input/output impedance, but electrical characteristics such as conversion
gain and intermodulation distortion are described herein on these conditions without impedance matching. So, you
should understand that conversion gain and intermodulation distortion at input level will vary when you improve VS of
RF input with external circuit (50
termination or impedance matching.)
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