Operating instructions

A-4 Specifications
MB*/* Installation and Operation Manual
Model MB75S/XX*
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
At typical output (dBmV)
47/37 41/44/37
Channels
112 analog 79 analog/200 MHz digital (suppressed by
6 dB)
Crossmod (worst case)
–59 dB –68 dB
CTB (worst case)
–57 dB –69 dB
CSO (worst case)
–59 dB –68 dB
Noise figure
At 52 MHz
12 dB (with SFE-1)
At 750 MHz
10 dB (with SFE-1)
Interstage equalizer slope, MDR-7MB/10/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)
AC Current, MB75*/*, MB87*/*
AC Voltage One-way
(typical E-GaAs)
With RA-Kit
(typical E-GaAs)
One-way
(typical Silicon)
With RA-Kit
(typical Silicon)
90 Vac
0.51 A 0.55 A 0.48 A 0.53 A
75 Vac
0.62 A 0.68 A 0.59 A 0.65 A
60 Vac
0.74 A 0.81 A 0.71 A 0.78 A
53 Vac
0.85 A 0.92 A 0.81 A 0.89 A
45 Vac
0.95 A 1.08 A 0.95 A 1.04 A
38 Vac
1.20 A 1.31 A 1.14 A 1.25 A