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)字無繩電話放大器(應(yīng)用于無繩電話的二次混頻中頻放大器)
文件頁數(shù): 5/32頁
文件大?。?/td> 211K
代理商: ΜPC8002
μ
PC8002
5
Cautions 1.
With this application circuit, good interfering wave characteristics are obtained with a single
BPF (and sensitivity is better than in Application Circuit Example 3).
Ensure that the pin voltage does not exceed the power supply voltage.
2.
Remark
The V
CC
pass capacitors (1
μ
F, 1000 pF) should be located close to the respective V
CC
pins.
Chip laminated ceramic capacitors (MURATA GRM36 or equivalent) and a chip coil (MURATA LQHIN
or equivalent) should be used.
Application Circuit Example 4 (Using 1 BPF)
PD
MIX OUT
V
CC
(IF)
V
CC
(MIX)
LO IN
GND (IF)
GND (MIX)
MIX IN1
MIX IN2
RSSI OUT
1 F
1000 pF
V
CC
1 F
1000 pF
470 pF
L
1
470 pF
470 pF
A
20
19
18
17
16
15
14
13
12
11
BYPASS1
IF1 IN
BYPASS2
IF1 OUT
BYPASS4
IF2 IN
BYPASS3
GND (IF OUT)
V
CC
(IF OUT)
IF2 OUT
1000 pF
B
C
(
1000 pF
0.01 F
0.01 F
D
V
CC
1 F
1000 pF
1
2
3
4
5
6
7
8
9
10
V
CC
V
CC
1000 pF
390
1
150 pF
1.5 H
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