參數(shù)資料
型號(hào): UPC8103
廠商: NEC Corp.
英文描述: MIXER + OSCILLATOR IC FOR PAGER SYSTEM
中文描述: 混頻器振蕩器集成電路尋呼系統(tǒng)
文件頁(yè)數(shù): 6/26頁(yè)
文件大?。?/td> 162K
代理商: UPC8103
μ
PC8103T,
μ
PC8108T
6
TEST CIRCUIT 1
R
S
= 50
, R
L
= 2 k
(CG MEASUREMENT)
1 000 pF
NC 3
2
1
4
5
6
1 000 pF
1 000 pF3 300 pF 000 pF
V
CC
2 k
*
1 000 pF
50
C
150 H
50
C2
C1
50
C6
R
L
C3
C4
C5
Signal Generator (Lo)
Supplement:
(50
means impedance of measurement equipment)
Signal Generator (RF)
Spectrum Analyser
* Note
On 50
measurement, this high inpedance IFout needs the calculatiuon as follows
CG (dB) = Measured value +20 log
10
TEST CIRCUIT 2
R
S
= R
L
= 50
(NF MEASUREMENT)
1 000 pF
NC 3
2
1
4
5
6
1 000 pF3 300 pF1 000 pF
V
CC
1 000 pF
C
20 MHz
Signal Generator (Lo)
50
C2
C6
L
C3
C4
C5
150 H
1 000 pF
C1
50
NF meter
NOISE SOURCE
50
2 k
50
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