Cisco Reverse Amplifier Module A93146 データシート
Compact EGC Amplifier Model 93251
3
Specifications
Forward
Units
Description
Notes
Frequency Range
MHz
47 to 862
47 to 1000
1
Gain
dB
Selectable 28, 34, 40
Flatness
dB
± 0.50
± 0.75
2
Input Attenuator
dB
0 to 18 in 0.5 dB step
Input Equalizer
dB
0 to 18 in 0.5 dB step
Interstage Attenuator
dB
0 to 6 in 0.5 dB step
Interstage Pre-equalizer
dB
0 to 15 in 0.5 dB step
Input Test Point
dB
-20 ± 1.5
Output Test Point
dB
-20 ± 0.50
-20 ± 0.75
Number of Outputs
–
1 or 2
3
Return Loss
• Input, output port
• Input, output port
• Input, output test point
dB
>18
>20
>20
2, 4
Noise Figure
dB
7.0
5
Signal Feed Through Loss
dB
≤ 1.0
Output Level @ 42 ch CENELEC
• CTB ≥ 60 dB
• CTB ≥ 60 dB
• CSO ≥ 60 dB
dBµV
114
114
114
6, 7
Reverse
Units
Description
Notes
Frequency Range
MHz
5 to 65
5 to 200
1
Gain
dB
Selectable 20, 25
Flatness
dB
± 0.5
± 0.75
Input Attenuators
dB
0 to 20 in 0.5 dB step
Output Attenuators
dB
0 to 18 in 0.5 dB step
Output Equalizer
dB
0 to 15 in 0.5 dB step
Test Point
dB
-20 ± 0.5
Signal Injection Point
dB
-20 ± 0.5
Return Loss at Test Point
dB
> 20 @ 5 to 10 MHz
> 23 @ 10 to 200 MHz
4
Return Loss at input and output
dB
> 18
4, 8
Output Level
• IMD3 ≥ 60 dB
• IMD3 ≥ 60 dB
• IMD2 ≥ 60 dB
dBμV
117
112
112
111
107
107
3-state Reverse Switch, EM controlled
–
On/-6 dB/Off
Noise Figure
dB
≤ 7.5
≤ 8.0
Unless otherwise noted, all data given are for the amplifier with standard configuration for 1 output.