B
B-20 Flex Max901e 1GHz Trunk and Bridger Amplifiers 1502154 Rev D
Table B.7 Flex Max901e Trunk Amplifier, 1002MHz, 65/85 Split, 33dB Spaced, Different Tilt on Trunk
and Bridger
FORWARD RETURN
Trunk 2 O/P Bridger Trunk & 2 O/P Bridger
General
Passband, MHz 85–1002 5–42
Housing, MHz 1002 —
AC Current Passing, A
Ports 1, 3, 4, 6 15 15
Ports 2, 5 (“H” and “P” options) 13 13
Typical Operating Conditions
Operational Gain, dB
1, 2
33 43 18
Channels, Number of NTSC
3
79 79 6
Operating Levels (recommended)
Frequency, MHz 1002/870/750/550/85 1002/870/750/550/85 65/5
Input, dBmV, min.
4
9.0/8.4/8.4/7.6/9.7 9.0/8.4/8.4/7.6/9.2 17/17
Output, dBmV
5,
6
42/40.5/39.5/37/32.5 52/49.5/47.5/44/35.5 35/35
Performance Specifications @ Recommended Levels
(Temperature Range: –40 to 60°C)
Carrier-to-Interference Ratio, dB
7
Composite Triple Beat 84 75 80
Second Order Beat (F1 ± F2) — — —
Cross Modulation
(per NCTA std.)
8
76 67 74
Third Order Beat (F1 ± F2 ± F3) — — —
Composite 2IM 79 73 82
Composite Intermodulation Noise CIN
9
80 66 —
Composite Intermodulation Noise CIN
10
86 72 —
Noise, 4MHz, 75Ohms
2
59/59.4/59.4/57.6/57.7 59/59.4/59.4/57.6/57.7 62
Cenelec Performance Specification
11
,
12
Output Level for 60dBc CTB Performance
13
55dBmV(115dBμV)
Output Level for 70dBc CSO Performance
12
55dBmV(115dBμV)
Noise Figure, dB (without EQ)
14
8/7/7/8/10 8/7/7/8/10 14
Full Gain, dB (without EQ and ALC) 38 48 19
Factory Alignment (with ALC Reserve, without EQ)
Cable Loss, dB @ 1002MHz 13 13 —
Linear Equalization
15
—7.5—
Flat Loss, dB
16
21 31 19
Gain Slope, dB –0.5 to 1.0 –1.0 to 1.0 —
Flatness (@ Gain Slope), ±dB
17,
18
0.75 1.0 0.5
Return Loss, dB min., All Entry Ports 16 16 16
Testpoint Accuracy
19
–20 or –25dB Forward Input TP, dB ±1.0 —
–20 or –25dB Forward Output TP, dB ±0.5(85 to 550), ±1.0(551 to 1002) —
–20 or –25dB Return In and Out TP, dB — ±0.5
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