Comtech EF Data MBT-4000 - Manual (Page 20)

MBT-4000 Multi-Band Transceiver System Revision 4
Introduction MN/MBT4000.IOM
1–2
From
Modem
To
Modem
70 MHz
To C-Band HPA
From C-Band LNA
M&C
IF In
Ref In
Ref In
IF Out
IF Out
IF In RF Out
RF In
RF In
RF In
M&C
M&C
Ref In
IF Out
IF Out
L-Band
Splitter
LBC-4000
LBC-4000
IDU
70 MHz
To
Modem
To
Modem
70 MHz
70 MHz
L-Band
L-Band
L-Band
L-Band
5 MHz
RS-485
RS-485
RS-485
5 MHz
5 MHz
BUC-4000C
BDC-4000C
Multi-Band Transceiver
RF Out
RF IN
• System status verification via LEDs located behind a removable cover
• Flexible configuration:
ƒ 2 Ups
ƒ 2 Downs
ƒ 1Up / 1 Down
Figure 1-2 depicts the operation schematic for a typical MBT-4000 application.
Figure 1-2. MBT-4000 Operational Schematic
1.3 Common Features
• Meets or exceeds MIL-STD-188-164A
• Low phase noise
• Auto band sensing capability
• Functions in 1 MHz step sizes
1.4 Options
• Functions in 1 kHz step sizes
• Dual-Base (Chain) Redundancy Operation (see Figure 1-3)