MC13135 MC13136
Figure 15. PLL Controlled Narrowband FM Receiver at 46/49 MHz
MC13135
V
CC
0.1
2.7 k
24
23
1st LO
Varicap
500 p 500 p
27 p
100 k
0.68
0.01
1
2
47 k
1.0
µH
0.001
0.01
22
21
5.0 p
62 pF
RF
Input
3
4
0.2
µH
150 pF
V
1
CC
5.1 k
20
0.1
3.0 p
Ceramic
Filter
10.7 MHz
OSC OSC
Out In
5
6
7
2nd LO
V
2
0.1
CC
120 p
50 p
19
18
VDD Fin1
D0
D1
D2
PD1
PD2
LD
10.245
MHz Xtal
0.1
360
8
9
Ceramic
Filter
455 kHz
D3
VSS Fin2
MC145166
Recovered
Audio
AF
1.0 k
0.15
17
16
Demod
10
11
Limiter
10 k
0.1
0.1
RSSI
Output
15
14
13
12
0.1
68 k
455 kHz
Quad Coil
Figure 16. 144 MHz Single Channel Application Circuit
Preamp for MC13135 at 144.455 MHz
1st LO External Oscillator Circuit
V
CC
V
CC
15 k
+
1.0 µF
+
1.0
µF
5.1 k
3300 p
15 k
15 p
L1
L3
12 p
1.0
µ
f
=
osc
133.755 MHz
100 p
To Mixer
470 p
12 p
1000p
Q1
39 p
RF Input
Q1
L2
68 p
43 p
0.82
µ
5.6 k
X1
Q1 – MPS5179
3300 p
Q1 – MPS5179
470
470
L2 – 0.05
L3 – 0.07
µ
µ
H
H
1.0 k
X1 – 44.585 MHz 3rd Overtone
Series Resonant Crystal
L1 – 0.078
µH Inductor
(Coilcraft Part # 146–02J08)
7
MOTOROLA ANALOG IC DEVICE DATA
MOTOROLA [ MOTOROLA ]
