參數(shù)資料
型號(hào): μPC8002
廠商: NEC Corp.
英文描述: Second Mixer + IF Amplifier For Digital Cordless Telephones(應(yīng)用于無(wú)繩電話的二次混頻+中頻放大器)
中文描述: 第二級(jí)混頻器中頻對(duì)于數(shù)字無(wú)繩電話放大器(應(yīng)用于無(wú)繩電話的二次混頻中頻放大器)
文件頁(yè)數(shù): 20/32頁(yè)
文件大小: 211K
代理商: ΜPC8002
μ
PC8002
20
3
V
CC
(IF)
A
V
CC
1000 pF
12
V
CC
(IF OUT)
1000 pF
1 F
4
V
CC
(MIX)
A
1000 pF
1 F
V
CC
Test Circuit Example 2. (Power supply current, power-off power supply current)
Caution
The 10 pF capacitor value for IF2 OUT and RSSI OUT includes all the capacitances (board,
pattern, etc.) applied to the pin. Ensure that the recommended load condition (10 pF) is not
exceeded for IF2 OUT and RSSI OUT.
Test Circuit Example 3. (Limiting sensitivity, IF amplifier output amplitude, IF amplifier output amplitude rise
time, IF amplifier output amplitude fall time, RSSI linearity, RSSI slope, RSSI
intercept, RSSI output voltage, RSSI temperature stability, RSSI output ripple)
19
IF1 IN
10
RSSI OUT
330 pF
50
10 pF
Digital voltmeter
Oscilloscope
11
IF2 OUT
10 pF
10 k
Spectrum
analyzer
Oscilloscope
SG (Signal generator)
10.7 MHz
1000 pF
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