MC2833P Motorola, MC2833P Datasheet

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MC2833P

Manufacturer Part Number
MC2833P
Description
Low power FM transmitter system
Manufacturer
Motorola
Datasheet

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Low Power FM
Transmitter System
telephone and FM communication equipment. It includes a microphone
amplifier, voltage controlled oscillator and two auxiliary transistors.
MOTOROLA ANALOG IC DEVICE DATA
Transmission (FCC, DOT, P.T.T., etc)
MC2833 is a one–chip FM transmitter subsystem designed for cordless
Wide Range of Operating Supply Voltage (2.8–9.0 V)
Low Drain Current (I CC = 2.9 mA Typ)
Low Number of External Parts Required
– 30 dBm Power Output to 60 MHz Using Direct RF Output
+ 10 dBm Power Output Attainable Using On–Chip Transistor Amplifiers
Users Must Comply with Local Regulations on R.F.
1
2
3
4
5
6
7
8
Representative Block Diagram
Reactance
Variable
Amp
Mic
+
Buffer
V REF
Osc
RF
16
15
14
13
12
11
10
9
MC2833D
MC2833P
Motorola, Inc. 1995
Device
PLASTIC PACKAGE
Decoupling
Reactance
Modulator
Mic Amp
Mic Amp
Variable
Emitter
Output
Output
CASE 648
P SUFFIX
Base
Input
Input
Gnd
Tr 1
Tr 1
ORDERING INFORMATION
FM TRANSMITTER
PIN CONNECTIONS
SEMICONDUCTOR
Temperature Range
MC2833
TECHNICAL DATA
1
2
3
5
6
7
8
LOW POWER
4
T A = – 30 to +75 C
Order this document by MC2833/D
SYSTEM
Operating
PLASTIC PACKAGE
CASE 751B
D SUFFIX
(SO–16)
16
15
14
13
12
10
11
9
Plastic DIP
Package
RF
Output
Tr 2
Base
Tr 2
Emitter
Tr 2
Collector
V CC
Tr 1
Collector
SO–16
RF
Osc
1

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MC2833P Summary of contents

Page 1

... PLASTIC PACKAGE 16 RF Osc Reactance 15 Decoupling Modulator 14 Buffer REF 10 9 Device MC2833D MC2833P Motorola, Inc. 1995 Order this document by MC2833/D MC2833 LOW POWER FM TRANSMITTER SYSTEM SEMICONDUCTOR TECHNICAL DATA D SUFFIX P SUFFIX PLASTIC PACKAGE CASE 751B CASE 648 (SO–16) PIN CONNECTIONS Variable 1 16 ...

Page 2

... V out RF 14 Vdc 14 SEN 3 14 Fdev out out p–p 4 THD 4 Symbol V (BR)CBO V (BR)CEO V (BR)CSO V (BR)EBO I CBO MOTOROLA ANALOG IC DEVICE DATA Min Typ Max Unit 1.7 2.9 4 130 mVrms 2.2 2.5 2 Hz/mVdc – – – 3.0 5.0 10 kHz – – ...

Page 3

... Power output dBm for 50 MHz and 76 MHz transmitters, and All capacitors in microfarads, inductors in Henries and resistors in Ohms unless otherwise specified. 6. Other frequency combinations may be set–up by simple scaling of the 3 examples shown. MOTOROLA ANALOG IC DEVICE DATA MC2833 Figure 1. Test Circuit 5.1 H 16.605 MHz ...

Page 4

... Figure 3. Buffer/Multiplier (x3, Pin 14) (16 MHz Fundamental) Figure 5. Doubler Output 76 MHz (Pin 11) Figure 7. Output Spectrum (50 MHz) 4 MC2833 Figure 4. Input to Doubler (Pin 13) (50 MHz x 3 Component) Figure 6. Spectrum 38 MHz Figure 8. Modulation Spectrum (1.0 kHz Showing Carrier Null) – MOTOROLA ANALOG IC DEVICE DATA 76 MHz ...

Page 5

... OUT GND VCC Figure 11. Ground Plane on Component Side MC2833P MOTOROLA ANALOG IC DEVICE DATA MC2833 Figure 9. 144 MHz/x12 Multiplier Figure 10. Circuit Side View MC2833P IN 5 ...

Page 6

... Kp 100K 120K 1.0 Re1 1K 4.7 K 2.7K MC2833P NOTES: Positive artwork provided. Drill holes must be plated to ensure making all ground ( connections! Resistors labelled * are used for biasing of electret microphone if used. Capacitors labelled SM are silver mica. Final board size 1.5 6 MC2833 Figure 12 ...

Page 7

... Pin 9 Pin 8 Pin 11 Pin 13 Pin 10 Pin 14 Pin Pin16 Pin 1 2.2 k Pin 2 2.2 k Pin 3 MOTOROLA ANALOG IC DEVICE DATA MC2833 Figure 13. Circuit Schematic 50 Pin 7 820 Pin 520 570 470 4.7 k 120 570 2.2 k 610 120 4 Pin 6.8 k 6.8 k Pin 8 ...

Page 8

... Motorola reserves the right to make changes without further notice to any products herein. Motorola makes no warranty, representation or guarantee regarding the suitability of its products for any particular purpose, nor does Motorola assume any liability arising out of the application or use of any product or circuit, and specifically disclaims any and all liability, including without limitation consequential or incidental damages. “Typical” parameters can and do vary in different applications. All operating parameters, including “ ...

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