Cisco Cisco 1 GHz GainMaker Amplifier Data Sheet
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Page 4 of 7
Table 3.
Reverse Station Performance
Reverse Station Performance
Units
Notes
Operational gain (minimum) at 42 MHz
dB
21.6
6, 7
Operational gain (minimum) at 85 MHz
dB
23.8
6, 7
Internal tilt (± 0.5 dB)
dB
0
3
Noise figure
dB
11
6, 7
NPR at 50 dB CNR at 42/54
dB
20
NPR at 50 dB CNR at 85/102 MHz
dB
15
Table 4.
Station Delay Characteristics
Station Delay Characteristics (42/54)
Forward
(Chrominance to Luminance Delay)
(Chrominance to Luminance Delay)
Reverse
(Group Delay in 1.5 MHz bandwidth)
(Group Delay in 1.5 MHz bandwidth)
Frequency (MHz)
Delay (ns)
Frequency (MHz)
Delay (ns)
55.25 to 58.83
39
5.0 to 6.5
60
61.25 to 64.83
25
6.5 to 8.0
22
67.25 to 70.83
17
8.0 to 9.5
12
77.25 to 80.83
10
37.5 to 39.0
20
39.0 to 40.5
32
40.5 to 42.0
50
Station Delay Characteristics (85/102)
Forward
(Chrominance to Luminance Delay)
(Chrominance to Luminance Delay)
Reverse
(Group Delay in 1.5 MHz bandwidth)
(Group Delay in 1.5 MHz bandwidth)
Frequency (MHz)
Delay (ns)
Frequency (MHz)
Delay (ns)
109.275 to 112.855
25
5.0 to 6.5
60
115.275 to 118.855
21
6.5 to 8.0
22
121.2625 to 124.8425
17
8.0 to 9.5
12
127.2625 to 130.8425
10
80.5 to 82.0
10
82.0 to 83.5
17
83.5 to 85.0
21
Table 5.
Station Powering Data
Station Powering Data
Cisco GainMaker
HGD System Amplifier
I DC
(Amps)
AC Voltage
90
85
80
75
70
65
60
55
50
45
40
35
Thermal
1.42
AC
current
(A)
current
(A)
0.66
0.67
0.65
0.65
0.64
0.65
0.74
0.79
0.85
0.94
1.05
1.22
Power
(W)
(W)
39.2
38.9
38.7
38.7
38.6
38.6
38.6
38.6
38.6
38.7
38.8
39.2
AGC
1.47
AC
current
(A)
current
(A)
0.67
0.68
0.67
0.67
0.66
0.67
0.76
0.81
0.88
0.97
1.10
1.26
Power
(W)
(W)
40.5
40.2
40.2
40.1
39.9
39.9
39.9
39.9
40.0
40.1
40.2
40.6