Operations Manual

DESCRIPTION 2-9
O&M of the MCC-545B PACKET DATA RADIO
12/2000
MCC-545B TRANSMITTER SPECIFICATIONS
CHARACTERISTIC SPECIFICATION
Frequency 36-50 MHz .0005% Synthesized 10KHz
steps
RF Power Output > 100 Watts at 12 VDC Input
Load VSWR < 2:1 for Rated Power
Harmonic Levels 70 dB below Unmodulated Carrier
Modulation
Type
Rate
Format
BPSK
4 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
20% shuts down transmitter
T/R Switch Solid-State
Switching Time < 100 micro sec
I/O MCC Standard
Protection
High VSWR Withstands Infinite VSWR
TABLE 2.3
MCC-545B MULTIPROCESSOR 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 Momentary System Reset
Jumper: JP2
JP3
JP4
Modulation Select (In for BPSK)
(Out for BPSK)
DSP Clock Select (pins 1-2)
Mod Filter Select (In for BT=.5)
(Out for BT=1.0)
Memory: Program Storage
TABLE 2.4