Order this document by MC2833/D
MC2833
Low Power FM
Transmitter System
MC2833 is a one–chip FM transmitter subsystem designed for cordless
telephone and FM communication equipment. It includes a microphone
amplifier, voltage controlled oscillator and two auxiliary transistors.
• Wide Range of Operating Supply Voltage (2.8–9.0 V)
• Low Drain Current (ICC = 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.
Transmission (FCC, DOT, P.T.T., etc)
LOW POWER
FM TRANSMITTER
SYSTEM
SEMICONDUCTOR
TECHNICAL DATA
P SUFFIX
PLASTIC PACKAGE
CASE 648
D SUFFIX
PLASTIC PACKAGE
CASE 751B
(SO–16)
Representative Block Diagram
1
16
RF
Osc
2
Variable
Reactance
15
3
Buffer
14
Mic
Amp
4
13
–+
5
12
6
11
7
VREF
10
8
9
MOTOROLA ANALOG IC DEVICE DATA
PIN CONNECTIONS
Variable
Reactance 1
Output
Decoupling 2
Modulator
Input 3
Mic Amp
Output 4
Mic Amp
Input
5
Gnd 6
Tr 1
Emitter
7
Tr 1
Base
8
16
RF
Osc
15
14
RF
Output
13
Tr 2
Base
12
Tr 2
Emitter
Tr 2
11 Collector
10 VCC
9
Tr 1
Collector
ORDERING INFORMATION
Device
Operating
Temperature Range
Package
MC2833D
MC2833P
TA = – 30 to +75°C
SO–16
Plastic DIP
© Motorola, Inc. 1996
Rev 1
1