參數(shù)資料
型號(hào)： MC13158
廠商： Motorola, Inc.
英文描述： WIDEBAND FM IF SUBSYSTEM FOR DECT AND DIGITAL APPLICATIONS
中文描述： 寬頻帶調(diào)頻中頻DECT和數(shù)字應(yīng)用子系統(tǒng)
文件頁(yè)數(shù)： 12/24頁(yè)
文件大小： 394K
代理商： MC13158
MC13158
12
MOTOROLA ANALOG IC DEVICE DATA
Figure 12. Application Circuit
NOTES:
1.Saw Filter – Siemens part number Y6970M(5 pin SIP plastic package).
2.An LCR filter reduces the broadband noise in the IF; ceramic filters may be used for data rates under 500 kHz. 4.0 dB insertion loss filters
optimize the linearity of RSSI.
3.The quadrature tank components are chosen to optimize linearity of the recovered signal while maintaining adequate recovered
signal level. 1.5
μ
H 7.0 mm variable shielded inductor: Toko part # 292SNS–T1373Z. The shunt resistor is approximately equal to
Q(2
π
fL), where Q
18 (3.0 dB BW = 600 kHz).
4.The local oscillator circuit utilizes a 122.7 MHz, 5th overtone, series resonant crystal specified with a frequency tolerance of 25 PPM, ESR
of 120
max. The oscillator configuration is an emitter coupled butler.
5.The 95 NH (Nominal) inductor is a 7.0 mm variable shielded inductor: Coilcraft part # 150–04J08S or equivalent.
6.0.68
μ
H axial lead chokes (molded inductor ): Coilcraft part # 90–11.
7.To enable the IC, Pin 25 is taken to VEE. The external pull down resistor at Pin 29 could be linked to the enable function; otherwise if it is
taken to VEE as shown, it will keep the oscillator biased at about 500
μ
A depending on the VCC level.
8.The other resistors and capacitors are surface mount components.
100 n
25
32
31
30
29
28
27
26
24
23
22
21
20
19
18
17
Enable
VEE1
N/C
N/C
IF Amp
Lim Amp
5.0 p
Bias
15
MC13158
16
VEE2
14
N/C
12
11
N/C
10
9
2
3
4
5
6
7
8
VCC1
VCC2
1
100 n
100 n
1.0 n
1.0 n
100 n
100 n
100 n
680 p
150
100 p
39 p
1.0 n
1.0 n
1.5
μ
H
13
2.2 k
82 k
R15
DS Out
DS In2
4.7 k
RF Input
112 MHz
(1)
(4) 122.7 MHz
5th OT Crystal
Saw
Filter
SMA
VCC =
2.0 to 5.0 Vdc
1.0 k
100 n
330 nH
(2) LCR Filter
330 nH
680 p
(2)
R17
82 k
1.0
μ
C17
Quad
Detector
C20
DS “off”
10 k
1.0 n
100 k
DS In1
10 n
RSSI
Out
(7)
Enable
33
10 n
(5) 95 nH
33 p
(6) 0.68
μ
H
27 p
Mixer
(3) LCR Quad Tank
150
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