mc13176d ETC-unknow, mc13176d Datasheet

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mc13176d

Manufacturer Part Number
mc13176d
Description
Fm/am Transmitter
Manufacturer
ETC-unknow
Datasheet

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0
UHF FM/AM Transmitter
subsystems designed for AM/FM communication systems. They include a
Colpitts crystal reference oscillator, UHF oscillator,
(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:
150–05J08
V CC
NOTES:
MOTOROLA RF/IF DEVICE DATA
V EE
Coilcraft
(2)
Reference
The MC13175 and MC13176 are one chip FM/AM transmitter
UHF Current Controlled Oscillator
Uses Easily Available 3rd Overtone or Fundamental Crystals for
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
ASK Modulated by Switching Output On and Off
(MC13175) f o = 8 x f ref ; (MC13176) f o = 32 x f ref
(MC13176)
150p
100p
Tank
Osc
Figure 1. Typical Application as 320 MHz AM Transmitter
1. 50
2. Pins 5, 10 & 15 are ground and connected to V EE which is the component/DC ground plane
2.
2.
3. The crystal oscillator circuit may be adjusted for frequency with the variable inductor
3.
3.
3.
0.1
side of PCB. These pins must be decoupled to V CC ; decoupling capacitors should be placed
as close as possible to the pins.
(MC13175); recommended source is Coilcraft “slot seven” 7mm tuneable inductor, Part
#7M3–821. 1.0k resistor. Shunting the crystal prevents it from oscillating in the fundamental
mode.
0.165
1.0k
coaxial balun, 1/10 wavelength at 320 MHz equals 1.5 inches.
(MC13175)
30p
1
2
3
4
5
6
7
8
MC13176–180p
MC13175–30p
f/N
3rd Overtone
40.0000 MHz
MC13175
Crystal
1.0k
16
15
14
13
12
11
10
9
0.82
V EE
AM Modulator
V EE
0.01
RFC 1
1.3k
(3)
0.01
8 (MC13175) or
(1)
Z = 50
S 2
Fundamental
27k
MC13176
10 MHz
Crystal
0.1
V CC
S 1
V CC
150p
SMA
RF out
32
MC13175D
MC13176D
Motorola, Inc. 1998
Device
PD out
Osc 1
Osc 4
I Cont
Xtale
V EE
NC
NC
ORDERING INFORMATION
MC13175
MC13176
TRANSMITTER
PIN CONNECTIONS
1
2
3
4
5
6
7
8
SEMICONDUCTOR
Temperature Range
T A = – 40 to +85 C
TECHNICAL DATA
Order this document by MC13175/D
PLASTIC PACKAGE
UHF FM/AM
16
Operating
CASE 751B
D SUFFIX
(SO–16)
1
16
15
14
13
12
10
11
9
Package
I mod
Out
Gnd
Out 2
Out 1
V CC
Enable
Reg.
Gnd
Xtalb
SO–16
SO–16
Rev 1.1
1

mc13176d Summary of contents

Page 1

... 27k 0.1 9 0.01 MC13176 0.82 (3) Crystal Fundamental 10 MHz V CC 1.0k Device MC13175D MC13176D Motorola, Inc. 1998 Order this document by MC13175/D MC13175 MC13176 UHF FM/AM TRANSMITTER SEMICONDUCTOR TECHNICAL DATA SUFFIX PLASTIC PACKAGE CASE 751B (SO–16) PIN CONNECTIONS I mod Osc Out ...

Page 2

MAXIMUM RATINGS ( unless otherwise noted.) Rating Power Supply Voltage Operating Supply Voltage Range Junction Temperature Operating Ambient Temperature Storage Temperature ELECTRICAL CHARACTERISTICS (Figure – 3.0 Vdc ...

Page 3

Internal Equivalent Pin Symbol Circuit 1 & 4 Osc Osc 4 10k 1 0sc Cont Cont 7 PD out V CC 4.0k ...

Page 4

Internal Equivalent Pin Symbol Circuit 8 Xtale V CC Xtalb Xtalb 8 Xtale 10 Reg. Gnd Enable Enable Subcon 10 Reg. Gnd & 14 Out ...

Page 5

Figure 3. Supply Current versus Supply Voltage 10 I reg. enable = 90 A 8.0 I mod = 0 6.0 4.0 2 1.0 2.0 3 SUPPLY VOLTAGE (Vdc) Figure 5. Change Oscillator Frequency versus Oscillator ...

Page 6

Figure 9. Change in Oscillator Frequency versus Oscillator Control Current 3.0 Vdc I mod = 2 osc (I Cont @ 0 ) 320 MHz –10 – 20 ...

Page 7

Figure 11. Block Diagram of MC1317XD PLL Phase i(s) Detector ref Pins 9 A/rad n(s) = o(s )/ Divider 1 ...

Page 8

For –3 /0.47 then 33 –3 /0.47 dthus 0.283 In the above example, the following standard ...

Page 9

Figure 16 shows the improved hold–in range of the loop. The f ref is moved 950 kHz with over 200 A swing of control current for an improved hold–in range of 95.46 Mrad/sec. Figure 16. MC13176 Reference Oscillator Frequency versus ...

Page 10

... Figure 18. 320 MHz MC13176D FM Transmitter Osc Tank Coilcraft 146–04J08 0.146 3.8 to 3.3 Vdc 0.1 0.47 9.1k 15k 1.0k 130k 620 18k 2N4402 100k 33k Data Input (1.6 Vp–p) NOTES coaxial balun, 2 inches long. 2. Pins 5, 10 and 15 are grounds and connnected which is the component’s side ground plane. ...

Page 11

Figure 20. Input Data Waveform Figure 22. Modulation Spectrum –10 – 20 – 30 – 40 (dBc) (dBc) Reference Crystal Oscillator (Pins 8 and 9) Selection of Proper Crystal: A crystal can operate in a number of mechanical modes. The ...

Page 12

Manufacturers specify crystal for either series or parallel resonant operation. The frequency for the parallel mode is calibrated with a specified shunt capacitance called a “load capacitance.” The most common value pF. If the load capacitance ...

Page 13

Figure 25. ASK 320 MHz Application Circuit Osc Tank Coilcraft 150–05J08 0.165 ( 0.1 150p 1.0k 100p 30p (MC13176) (MC13175 NOTES coaxial balun, 1/10 wavelength line (1.5 ) provides the best match to a ...

Page 14

Figure 26. ASK Input Waveform and Modulated Carrier Pin 16 OOK Input Modulation 10 kHz TTL Waveform On–Off Keying Encoded Carrier Envelope Figure 27. Oscillator Enable Time, T enable Pin 8 Oscillator Waveform Figure 28. Power Output versus Modulation Current ...

Page 15

In the design example, shown in Figure 29, the operating point is selected as a tradeoff between average power output and quality of the AM. For 3.0 Vdc 18.5 mA and I mod = ...

Page 16

Figure 33. Circuit Side View of MC1317XD 16 MC13175 MC13176 4 Figure 34. Ground Side View MOTOROLA RF/IF DEVICE DATA ...

Page 17

Figure 35. Surface Mounted Components Placement Figure 36. Radial Leaded Components Placement MOTOROLA RF/IF DEVICE DATA MC13175 MC13176 (on Circuit Side) (on Ground Side) 17 ...

Page 18

G K –T– SEATING PLANE 0.25 (0.010 Motorola reserves the right to make changes without further notice to any products herein. Motorola makes no warranty, representation or guarantee ...

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