參數(shù)資料
型號(hào): SA639
廠(chǎng)商: NXP Semiconductors N.V.
英文描述: Low voltage mixer FM IF system with filter amplifier and data switch
中文描述: 低電壓中頻濾波放大器和數(shù)據(jù)系統(tǒng),混頻器調(diào)頻開(kāi)關(guān)
文件頁(yè)數(shù): 9/16頁(yè)
文件大?。?/td> 226K
代理商: SA639
Philips Semiconductors
Product specification
SA639
Low voltage mixer FM IF system with filter amplifier
and data switch
1998 Feb 10
9
14
13
12
11
10
9
8
7
6
5
4
3
2
1
24
23
22
21
20
19
18
17
16
15
RF IN
RF BYPASS
OSC (EMITTER)
OSC (BASE)
RSSI FEEDBACK
RSSI OUT
PD CTRL
DATA OUT
POSTAMP IN
V
CC
MIXER OUT
DECOUPLING 1
IF IN
DECOUPLING 2
GROUND
LIMITER IN
LIMITER DEC1
LIMITER DEC2
LIMITER OUT
IF OUT
SMA
LO IN
SMA
+/–288kHz
120.392MHz
@–10dBm
C7
15
μ
F
C8
100nF
+
C4
1nF
C3
10nF
PWR DWN
V
CC
1L1
C1
5–30pF
U1
SA639
R9
C17
15pF
L3
4.7
μ
H
C14
33pF
C18
0.1
μ
F
C19
0.1
μ
F
XTAL
XTAL
IF AMP
IF AMP
J1
J2
C5
R8
+3V
RSSI
DATA OUT
GND
J3
C16
5-30pF
C26
0.1
μ
F
330nH
C28
0.1
μ
F
68pF
POSTAMP OUT
SW CTRL
QUAD IN
SW OUT
C2
5–30pF
3C6
L2
120nH
POSTAMP IN
POSTAMP OUT
R6
5.6k
SW CTRL
SW OUT
C13
10nF
R8
510
C15
6.8pF
nc
3CL
+
2.2
μ
F
+
2.2
μ
F
10k
QUAD IN DC
1.5nF
68pF
680nH
330pF
MIXER
OUT
IF AMP
IN
0.1
μ
F
0.1
μ
F
348
6.49k
50
10k
5R7
50
IF AMP
OUT
0.1
μ
F
1k
560
1nF
330pF
680nH
100pF
100pF
LIMITER
IN
0.1
μ
F
348
6.49k
50
0.1
μ
F1k
50
LIMITER
OUT
SR00034
RL
10k
RL
33pF
CL
Figure 5. SA639 Test Circuit
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