The Cobalt® 9231 is an analog video distribution amplifier with a differential input designed for broadcast use. The card provides 1×8 distribution with one differential analog input and eight 75-Ω BNC analog outputs. The 9231 can be accessed through DashBoard™ for status monitoring.
Key Features
Differential composite analog input with 75Ω or Hi-Z looping input selection
User adjustable gain
Variable cable EQ up to 984 ft (300m)
User-selectable input clamping
Remote monitoring via DashBoard™ software or OGCP-9000 remote control panel
Five year warranty
Specifications
Electrical
Power: 2 watts
Analog Audio Input
Number of inputs: 1
Impedance: 75 Ω
Level: 1 Vp-p, nominal
Return Loss: 46 dB at 3.58 MHz
Performance
Freq. Response: >0.05 dB at 3.58 MHz
Differential Gain: >0.15% at 3.58 MHz
Differential Phase: >0.15° at 3.58 MHz
SN: >60 dB, 5 MHz BW
Analog Video Output
Number of Outputs: 8
Impedance: 75 Ω
Level: 1 Vp-p, nominal
Diagrams
Block Diagram
Some Rear I/O Modules shown below may also be used for other Cobalt card models. This allows you to re-use rear modules from one card model to another. The Manufacturing Part Number (MPN) shown in the images below is the common code that is used to identify multi-use rear modules. Cross-compatibility can be checked using this number and About Cobalt Rear I/O Modules and Rear Module Cross-Reference at Reference and Help Documents.
RM20-9231-A/S
(Dual-card (split) rear module; connections are per card)
- CVBS Analog Video In
- (4) CVBS DA Out (1-4)
(All coaxial connectors BNC)
RM20-9231-B
- CVBS Analog Video In
- (1) CVBS Input Loop Out
- (8) CVBS DA Out (1-8)
(All coaxial connectors BNC)
RM20-9231-B/S-DIN
(Dual-card (split) rear module; connections are per card)
- CVBS Analog Video In
- (1) CVBS Input Loop Out
- (8) CVBS DA Out (1-8)
(All coaxial connectors DIN1.0/2.3)
RM20-9231-B/S-HDBNC
(Dual-card (split) rear module; connections are per card)
- CVBS Analog Video In
- (1) CVBS Input Loop Out
- (8) CVBS DA Out (1-8)
(All coaxial connectors HDBNC)
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