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MC13176 PDF预览

MC13176

更新时间: 2024-11-10 22:51:27
品牌 Logo 应用领域
摩托罗拉 - MOTOROLA 发射机
页数 文件大小 规格书
17页 269K
描述
UHF FM/AM TRANSMITTER

MC13176 数据手册

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Order this document by MC13175/D  
The MC13175 and MC13176 are one chip FM/AM transmitter  
subsystems designed for AM/FM communication systems. They include a  
Colpitts crystal reference oscillator, UHF oscillator, ÷ 8 (MC13175) or ÷ 32  
(MC13176) prescaler and phase detector forming a versatile PLL system.  
Targeted applications are in the 260 to 470 MHz band and 902 to 928 MHz  
band covered by FCC Title 47; Part 15. Other applications include local  
oscillator sources in UHF and 900 MHz receivers, UHF and 900 MHz video  
transmitters, RF Local Area Networks (LANs), and high frequency clock  
drivers. The MC13175/76 offer the following features:  
UHF FM/AM  
TRANSMITTER  
SEMICONDUCTOR  
TECHNICAL DATA  
UHF Current Controlled Oscillator  
Uses Easily Available 3rd Overtone or Fundamental Crystals for  
Reference  
Fewer External Parts Required  
Low Operating Supply Voltage (1.8 to 5.0 Vdc)  
Low Supply Drain Currents  
Power Output Adjustable (Up to +10 dBm)  
Differential Output for Loop Antenna or Balun Transformer Networks  
Power Down Feature  
16  
1
ASK Modulated by Switching Output On and Off  
D SUFFIX  
PLASTIC PACKAGE  
CASE 751B  
(MC13175) f = 8 x f ; (MC13176) f = 32 x f  
o
ref ref  
o
(SO–16)  
Figure 1. Typical Application as 320 MHz AM Transmitter  
AM Modulator  
1.3k  
0.01  
Osc  
Tank  
1
2
3
4
5
6
7
8
16  
15  
14  
13  
12  
11  
10  
9
PIN CONNECTIONS  
S
2
µ
Coilcraft  
150–05J08  
V
EE  
(1)  
Z = 50  
I
Osc 1  
NC  
1
2
3
4
5
6
7
8
16  
15  
14  
150p  
mod  
0.165  
µ
RF  
SMA  
out  
Out  
Gnd  
f/N  
RFC  
1
(2)  
Out 2  
NC  
V
S
V
CC  
1
EE  
0.1  
µ
Osc 4  
13 Out 1  
150p  
27k  
1.0k  
V
12  
11  
10  
9
V
CC  
V
EE  
EE  
0.1µ  
I
Enable  
Cont  
Reg.  
Gnd  
PD  
out  
Xtalb  
Xtale  
100p  
(MC13176)  
0.01  
µ
30p  
(MC13175)  
MC13175–30p  
MC13176–180p  
MC13176  
Crystal  
V
0.82  
µ
CC  
(3)  
MC13175  
Crystal  
3rd Overtone  
40.0000 MHz  
Fundamental  
10 MHz  
V
1.0k  
CC  
ORDERING INFORMATION  
Operating  
NOTES: 1. 50 coaxial balun, 1/10 wavelength at 320 MHz equals 1.5 inches.  
2. Pins 5, 10 & 15 are ground and connected to V which is the component/DC ground plane  
EE  
2. side of PCB. These pins must be decoupled to V ; decoupling capacitors should be placed  
CC  
2. as close as possible to the pins.  
3. The crystal oscillator circuit may be adjusted for frequency with the variable inductor  
3. (MC13175); recommended source is Coilcraft “slot seven” 7mm tuneable inductor, Part  
3. #7M3–821. 1.0k resistor. Shunting the crystal prevents it from oscillating in the fundamental  
3. mode.  
Temperature Range  
Device  
Package  
MC13175D  
MC13176D  
SO–16  
SO–16  
T
A
= – 40° to +85°C  
Motorola, Inc. 1998  
Rev 1.1  

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