DESCRIPTION 2-16
MCC-545C PACKET DATA RADIO
12/2000
MCC-545C TRANSMITTER SPECIFICATIONS
CHARACTERISTIC
SPECIFICATION
Frequency
37-50 MHz .0005% Synthesized 10KHz
steps
RF Power Output
> 100 Watts at 12 V
DC
Input
Load VSWR
< 2:1 Rated Power
Harmonic Levels
70 db below Unmodulated Carrier
Modulation:
Type
Rate
Format
GMSK
9.6 kbps and 19.2 kbps
NRZ
Spurious
> 70 db below Unmodulated Carrier
Transmit Modulation Spectrum
10 KHz offset – 40 db
25 KHz offset – 70 db
Tx Duty Cycle
16% Max without shutting down transmitter
20% will shut down the transmitter
T/R Switch
Solid-State
Switching Time < 100 microseconds
I/O
MCC Standard (Refer to Section 3.2)
High VSWR Protection
Withstands Infinite VSWR
TABLE 2.3
MCC-545C MICROPROCESSOR SPECIFICATIONS
CHARACTERISTIC
SPECIFICATION
Main Processor
Motorola MC68332FC 32-bit Embedded
Controller
Memory:
Program Storage
Data Storage
Parameter Storage
512K x 16 non-volatile Flash memory
1024K x 8 static RAM (optional 2048K x 8)
512K x 16 non-volatile Flash memory
Switches:
S1
System Reset, Momentary
Jumper:
JP2
JP3
JP4
Modulation Select (In for GMSK, Out for
BPSK)
DSP Clock Select (pins 1-2)
Mod Filter Select (In for BT=0.5, Out for
BT=1.0)
TABLE 2.4
Содержание MCC-545C
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