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Cisco Prisma II 1310 nm HDTx Transmitters Data Sheet

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Prisma II Ancillary Modules 
 
3
 
 
Head End Driver Amplifiers, continued 
 
Specifications 
RF 
Units 
Forward 
Reverse 
Notes 
RF Bandwidth 
MHz 
46 to 1002 
5 to 200 
 
Frequency Response 
  Flatness 
  Initial Tilt 
 
dB 
dB 
 
± 0.50 (typical) 
± 0.75 
 
± 0.50 
 
 
1 
Return Loss - Input 
 
 
 
1 
  46 – 870 MHz 
  871 – 1002 MHz 
dB 18 
16 
18 ( 5-200 MHz) 
 
Return Loss – Output 
 
 
 
1 
  46 – 870 MHz 
  871 – 1002 MHz 
dB 16 
18 
18 ( 5-200 MHz) 
 
Noise Figure 
dB 
8 max. (7 typical) 
7 max. (6.2 typical) 
 
Module Gain (minimum) 
dB 
23.5 (typical) 
21 
1 
Variable Attenuator  
dB 
0 - 10 in 0.5 dB steps 
0 - 3 in 0.5 dB steps 
 
Variable Equalizer 
dB 
0 - 9 in 1.5 dB steps 
0.5 - 5.5 in 0.5 dB steps 
 
Distortions (max) 
 
 
 
2 
  Composite Triple Beat (CTB) 
dB 
-72 
-79 
 
  Composite Second Order (CSO) 
dB 
-72 
-72 
 
  Cross Modulation  
dB 
-72 
-75 
 
RF Test Points 
dB 
-20 
± 1.0 
-20 
± 1.0 
 
Electrical 
 
 
 
 
Power Consumption 
W DC 
15 max. 
15 max. 
 
Environmental 
 
 
 
 
Temperature Range 
  Full Specs and Operational 
 
°C 
°F 
 
-40 to +65 
-40 to +149 
 
-40 to +65 
-40 to +149 
 
Humidity Range 
% 
0 to 95 
0 to 95 
3 
Mechanical 
 
 
 
 
Physical Dimensions 
  Depth 
 
in. 
cm 
 
9.8 
24.9 
 
9.8 
24.9 
 
  Width 
in. 
cm 
1.0 
2.5 
1.0 
2.5 
 
  Height 
in. 
cm 
7.6 
19.3 
7.6 
19.3 
 
  Weight 
lb 
kg 
3.0 
1.4 
3.0 
1.4 
 
  Module Width 
slots 
1 
1 
 
 
Notes: 
1. 
With attenuator and equalizer set to 0.0 dB.  Flatness 
± 0.75 over full temperature range. 
2. 
FHEDA distortions measured with 112 unmodulated (CW) NTSC analog channels at 38 dBmV flat output (46 – 1002 MHz).  Distortions 
may degrade 0.5 dB at high temperature.  RHEDA distortions measured with 38 dBmV/channel output level for 26 unmodulated (CW) 
NTSC channels between 5 MHz and 200 MHz. 
3. 
Recommended for use only in non-condensing environments. 
 
 
 
 
 
 
 
 
 
 
 
 
Unless otherwise noted, specifications reflect typical performance and are referenced to 68
°F (20°C).  Specifications are based 
upon measurements made in accordance with SCTE/ANSI standards (where applicable), using standard frequency assignments.