Operating instructions

Specifications A-3
MB*/* Installation and Operation Manual
Model MB75S/XG*
Specification Forward Amplifier
Passband
52 through 750 MHz
Gain
Full
45 dB (with SFE-*-*)
Operational
40 dB (with SFE-*-* and slope reserves)
Flatness
52 through 750 MHz
±0.75 dB maximum
Level control, automatic
Bode board using ADU/TDU
Gain control
Fixed pads, JXP-∗B
Performance - reference frequency (MHz)
750/52 750/550/52 750/550/52
At typical output (dBmV)
47/37 45.5/48.5/41.5 41/44/37
Channels
112 analog 79 analog/200 MHz
digital (suppressed
by 6 dB)
79 analog/200 MHz
digital (suppressed
by 6 dB)
Crossmod (worst case)
–60 dB –56 dB –65 dB
CTB (worst case)
–63 dB –67 dB –75 dB
CSO (worst case)
–65 dB –66.5 dB –71 dB
Noise figure
At 52 MHz
12 dB (with SFE-1)
At 750 MHz
10 dB (with SFE-1)
Interstage equalizer, MDR-7MB/10/G/II
10 ±1 dB
Hum modulation
–65 dB
Return loss, input/output
16 dB at operational level
Test points, input/output
20 ±1.0 dB
Housing dimensions
15.4 L × 5.5 W× 9.6 D inches (39.1 × 13.97 × 24.3 cm)
Weight
15 pounds (6.8 kg)