Operating instructions

A-2 Specifications
MB*/* Installation and Operation Manual
Model MB87S/XX*
Specification Forward Amplifier
Passband
52 through 870 MHz
Gain
Full
45 dB (with SFE-*-*)
Operational
40 dB (with SFE-*-* and slope reserves)
Flatness
52 through 870 MHz
±0.75 dB maximum
Level control, automatic
Bode board using ADU/TDU
Gain control
Fixed pads, JXP-∗B
Performance - reference frequency (MHz)
870/750/52 870/550/52
At typical output (dBmV)
43/47/37 43/44/37
Channels
112 analog/120 MHz digital
(suppressed by 6 dB)
79 analog/320 MHz digital
(suppressed by 6 dB)
Crossmod (worst case)
–62 dB –67 dB
CTB (worst case)
–61 dB –71 dB
CSO (worst case)
–67 dB –75 dB
Noise figure
At 52 MHz
12 dB (with SFE-1)
At 870 MHz
10 dB (with SFE-1)
Interstage equalizer, MDR-8MB/12/II
12 ±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)