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Blonder Tongue AMCM Series Agile Micro Channel Modulator

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Key Features
  • Auto Audio Gain Control (AGC)
  • SAW Filtering
  • Die-Cast Chassis
  • Requires MIRC-12D / MIRC-4D Rack Chassis
  • Up to 12-Channels in 2RU Rack Chassis

د.إ1,799.00

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Blonder Tongue AMCMĀ Overview

TheĀ AMCM Series Agile Micro Channel ModulatorĀ fromĀ Blonder TongueĀ is a module that installs in the MIRC-4D or MIRC-12D rack chassis, not included. It forms part of an RF modulation system for analog CATV applications, and supports an output frequency range of 54 to 860MHz.

Audio Auto Gain Control (AGC)
  • Prohibits commercials that accompany broadcast programs from having modulation levels substantially higher than the broadcast program; and having an average maximum loudness substantially higher than that of the broadcast program
  • Provides consistent audio levels among all broadcast programs on different channels and among different programs within the same channel
  • Modular design allows for deployment of 12 channels in a single 2RU rackmount chassis
  • Utilizes SAW filters for improved performance
  • Die-cast chassis for RFI immunity
SKU: AMCM-860D Category: Tag:

Blonder Tongue AMCMĀ Specs

Connectors
Input
RF Connector
1 x F type female
Impedance: 75 ohm
Return Loss: 24 dB return loss
Input Level: 1.0 V peak-to-peak – 87.5% depth of modulation
Frequency Response: 1.0 dB peak-to-valley – fv to fv+4.2 MHz Video-to-RMS Hum Ratio: 65 dB peak-to-peak
Signal-to-Noise Ratio: 62 dB – weighted at 4 MHz bandwidth
Differential Gain: 2.0%
Differential Phase: 1.0Ā° – 87.5% depth of modulation
Chrominance / Luminance Delay: Per FFC requirements

Mono Audio
1 x RCA female
Impedance: > 10 ohm unbalanced / 600 ohm balanced
Input Level: 0.5 to 4.0 V peak-to-peak – for 25 kHz deviation; constant AGC range
Frequency Range: 50 Hz to 15 kHz
Frequency Response: Ū« dB
Total Harmonic Distortion: 1% at 25 kHz deviation
Signal-to-Noise Ratio: 66 dB
Over-modulation Threshold: 25 Ā± 2 kHz peak deviation
Output
RF Connector
1 x F type female
Impedance: 75 ohm
Return Loss: 12 dB return loss
Frequency Range: 54 to 860 MHz – NTSC CATV channels 2 to 135
Power Level: +45 dBmV
Power Level Range: 10 dB continuously adjustable
Carrier-to-Noise: (In Channel): 63 dB
Broadband Noise (4 kHz bandwidth): -75 dBc at +45 dBmV output level
Spurious Outputs: -60 dBc
Aural / Visual Carrier Ratio: -11 to -19 dB continuously adjustable
4.5 MHz Aural Inter-carrier Frequency Tolerance: Ā±150 Hz; 32 to 122Ā°F / 0 to 50Ā°C
FCC Aeronautical Channels: Ā±5 kHz; 32 to 122Ā°F 0 to 50Ā°C
General
Alarms / Monitoring / Control
Front-Panel Indicators
Channel Number and Mode: 2-digit red LED display
+100 Channels: Red LED
Video Over-modulation: Red LED
Audio Over-modulation: Red LED

Front-Panel Controls
Output Level: Potentiometer
Video Level: Potentiometer
Audio Level: Potentiometer
Aural Carrier Level: Potentiometer
Power Requirement
100 to 240 VAC at 50 or 60 Hz
Power Consumption
5 W maximum
Operating Temperature
32 to 122Ā°F / 0 to 50Ā°C
Storage Temperature
-13 to 158Ā°F / -25 to 70Ā°C
Humidity
0 to 95% RH at 95Ā°F (35Ā°C) maximum, non-condensing
Dimensions
1 x 7.8 x 3.5″ / 25 x 198 x 89 mm
Weight
0.8 lb / 0.4 kg
Packaging Info
Package Weight
1 lb
Box Dimensions (LxWxH)
10.5 x 4.3 x 1.2″

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