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  • Imagine Communications CMN-91-3GB

Imagine Communications CMN-91-3GB

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Input Type 2 active looping inputs
Input Connector Type BNC female
Input Impedance 75 ohms nominal
Signal Source Amplitude 800 mV nominal
Signal Source DC Offset ±0.5 VDC
SD-SDI Input
Input Return Loss ?-25 dB (5 to 270 MHz)
Cable EQ ?300 M, Belden 8281
HD-SDI Input
Input Return Loss ?-15 dB (5 to 1.485 GHz)
Cable EQ ?100 M, Belden 8281
3 Gb/s SDI Input
Input Return Loss ?-10 dB (1.485 to 2.97 GHz)
Cable EQ ?80 M, Belden 1694A
External Reference Input
Input Type Passive looping
Input Connector Type BNC female
Input Impedance 75 ohms nominal
Blackburst Input Amplitude NTSC: sync and burst 286 mV nominal
PAL: sync and burst 300 mV nominal
Blackburst Input Amplitude Tolerance ±6 dB
Tri-level Sync Amplitude 600 mV pk-pk
Tri-level Sync Amplitude Tolerance ±3 dB
Return Loss ?-40 dB
Digital Audio Input
Audio Formats AES/EBU, embedded
AES Input Connector type 1 BNC female
AES Input Impedance 75 ohms nominal
AES Input Return Loss >25 dB (0.1 to 6 MHz)
AES Input Level 0.2 to 2 V
Input Sample Rate AES, 32 kHz, 44.1 kHz, 48 kHz, 88.2 kHz, 96 kHz
(internally sample rate converted to 48 kHz)
SDI Output
Output Connector Type BNC female
Output Impedance 75 ohms
Output Return Loss ?-15 dB (5 MHz to 1.485 GHz)
?-10 dB (1.485 to 2.97 GHz)
Output Signal Level 800 mV ±10%
Output DC Offset 0 V ±0.5 V
Analog Monitoring Output — Headphone
Number/Connector One 1/8 in (3.5 mm) headphone jack
Load Impedance 16 ohms nominal
Maximum Output Level 44 mW RMS
Total Harmonic Distortion + Noise (THD+N) ?-65 dB
Level Adjustment From maximum output level to 0 mV with front-panel control
Source Any audio input pair may be selected to appear on the headphone output
DVI Output
Output Connector DVI-I connector supporting DVI-D
Output Resolution 1024x768 (XGA)
H-Sync Rate 48.363 Hz ±1%
V-Sync Rate 60.004 Hz ±1%
Communication Interfaces
Ethernet 1 Ethernet Port, RJ45 connector, 10/100Base-T
USB 1 USB 2.0 Host Port (except CMN-41L)
LTC/GPIO 1 LTC/GPIO connector 15-pin female D-sub
LTC Nominal input amplitude: 2 V pk-pk
4 General Purpose Inputs Input impedance: 10 K ohms returned to +3.3 VDC
1 General Purpose Output Relay closure
Waveform/Vector Display – SDI Inputs
General A full-screen display for viewing an input as picture, waveform, vector, audio, alarm status, or timing
Waveform Composite; YCBCR or RGB, parade/overlay of like formats
Sweep Time Base 1 or 2H with x1, x5, and x10 horizontal magnification
1 or 2 V with x1, x5, and x25 horizontal magnification
Waveform Accuracy ?±0.5%
Vector CB vs. CR for HD or SD
Vector Accuracy ?1°
Gamut Encoded or RGB gamut displays with upper and lower limit selection
Audio 2, 4, 6, 8, or 16-channels displayed simultaneously
Waveform Display – External Reference and LTC
Waveform Amplitude Accuracy ±5%
Waveform Frequency Response 25 Hz to 4.5 MHz within ±5% of amplitude at 50 kHz
Power Requirements
Power Connector 15 VDC nominal
11 VDC minimum
17 VDC maximum
Power Consumption 20 W nominal
Over-Voltage Protection ±50 VDC nominal
CC608 EIA/CEA-608-E
Teletext EN 300 706 Presentation Level 1 teletext and subtitles
HD Teletext OP-47 delivery of EN 300 706 teletext and subtitles
Dimensions (H X W X D) 5.22 x 8.46 x 5.8 in. (13.26 x 21.49 x 14.73 cm)
Weight 5.0 lbs (2.27 kg)
Battery Mount (optional) Anton-Bauer gold-mount battery bracket with inter active connection
IDX V-mount battery mount with Digi-View connection
Operating Temperature 32° to 122° F (0° to 50° C)
Storage Temperature -22° to 149° F (-30° to 65° C)
Humidity (non condensing) Operating: 20% to 80%
Non-operating: 5% to 90%
Transportation 24 in. (9.5 cm) impact-drop survivable in original factory packaging
Altitude 6562 ft (2000 m)
Pollution Degree 2


Multiformat Signal Analyzer


The CMN-91-3GB multiformat signal analyzer with integral LCD is the smallest solution on the market for efficient video and audio signal monitoring. The CMN-91-3GB tests signal quality across all DTV formats up to 3 Gb/s. It possesses two triple-rate SDI inputs and provides selectable waveform, vector, gamut, timing and picture full-screen display.

With the CMN-91-3GB you can meter all 16 channels of embedded audio or one AES input. You can also view the waveform of the composite or tri-level external reference to verify signal integrity and customize the MLT display with independent size and position of waveform, vector and picture.

• Dual looping 3G/HD/SD inputs standard
• Existing SD and HD/SD units can be upgraded to 3G/HD/SD
• Metering of all 16 channels of embedded audio
• One AES audio input
• Quad display of audio, picture, waveform and vector
• Thumbnail picture with adjustable size and position
• 608, 708 closed-caption detect, alarm, display
• Teletext detect, alarm, display
• OP-47 HD subtitle display
• Waveform display of external reference or LTC input
• Overlay display with independent size and position of waveform, vector and picture
• DVI-D external display output
• 99 presets
• Standard four-pin XLR DC power input (AC adapter supplied)
• Convection cooled, silent operation (no fan)
• Front-panel headphone jack
• Front-panel USB port for save/recall of presets, screen captures and SDI captures
• Dual rackmount option
• Portable case with handle and tripod mount option
• SNMP alarming and monitoring

Upgrade CMN-41 or CMN-91 to support 3 Gb/s, field upgrade

Upgrade CMN-41-S or CMN-91-S to support HD and 3 Gb/s, field upgrade

Upgrade CMN-41-S or CMN-91-S to support HD, field upgrade

Blank panel for DRC-1, DRC-2, DRC-2A or DRC-3

Double rackmount case for CMN-91, use BLK-1 to fill unused space if needed

Portable case with handle and tilt bail for CMN-91 and CMN-LA