MINI MODULAR HEAD END SYSTEM
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Holland Electronics Mini Modular Head-End System consists of 12-slot mounting chassis and power supply capable of holding any combination of 12 high-quality SAW modulators and/or demodulators.
SAW Filtered
• PLL Oscillator Controlled Modulators
• Stereo Encoder Available (ST-MOD)
• Microprocessor Controlled (HMMA/HMDD)
• Fan Cooled Power Supply for
Extra Reliability
• International Power Supply (100-240VAC)
• Front Panel Controls• Inverted Channel Format (HMMS)
• Stereo Encoder (ST-MOD)
• HMMB: Blank Insert for Unused Slots |
Holland Electronics’ Modular Head-End System consists
of a 12-slot mounting chassis and power supply capable
of holding any combination of 12 high-quality SAW
filtered modulators and/or demodulators. The HMR slide-in
mounting system uses only 3.5” of rack height, has 12 individual
slots and makes for easy installation and efficient use
of space (as simple as sliding in the modules and plugging
in the HMPS power supply). |
Head End Required Components
MINI MODULAR HEADEND SYSTEM
HEAD END OPTIONS
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MiniI Modular Headend System Modulator Modulators Holland Electronics
DIGITAL QAM MODULATOR
QAM MODULATORS FOR DIGITAL HEAD-END APPLICATIONS
Wide range of applications – commercial settings, hospitality, multi dwelling units, stadiums, educational campuses, healthcare, etc.
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Direct connection to satellite or cable receivers – redistribute high-quality content on-premise or campus-wide. Component video and digital audio interfaces allow for simple connections.
Rack Chassis eases installation – holds and powers up to eight HDbridge modules, and includes an RF combiner and amplification. Provides one AC and one RF connection.
LAN port for remote management and configuration – monitor and configure modules remotely, allowing for channel and content changes without needing to be on site.
Coax wiring – easily integrate and balance into new or existing MATV/SMATV RF distribution systems to add an HD tier of video feeds.
Built to last – steel enclosure, rack mounting, robust power supply, internal unit fans, and commercial cable-grade components.MODULATORS
DIGITAL QAM MODULATOR
- Component video input (Y, Pr, Pb)
- HDb620 – 1080p, 1080i, 720p, 480p and 480i
- HDb520 – 720p, 480p and 480i
- HDb420 – 480p and 480i
- Closed Caption support via composite input
- Digital AC-3 or PCM Audio
- Up to 36Mbps sustained average encoding rate
- Encoding of PCM audio inputs, pass-through of encoded audio input
- Digital and Visual Watermarking for content theft prevention
- User-settable program information
- Extremely low-latency encoding
- Well-formed QAM 256 or QAM 64 6Mhz channel, inserted onto any blank channel
- Frequency agile from 50 to 858Mhz (Channels 2-135)
- Supports STD, HRC or IRC cable standards
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FREQUENCY AGILE MODULATORS
HMA SERIES
FREQUENCY AGILE MODULATORS Head End System Agile Modulators
The HMA-550H and the HMA-860H are commercial grade, SAW filtered, frequency agile modulators specifically designed to meet the highest CATV performance standards. All channels are easily selected using front panel buttons and verified with an easy-to-read LED channel display. The modulators feature extremely low out-of-band noise allowing their use in large channel capacity head-ends. The HMA-550H and the HMA-860H modulators are the ideal choice for any system where performance, flexibility, and reliability are required.
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- 60 dBmV Output
- Triple I.F. Loop
- SAW Filtered
- Low Out-of-Band Noise
- Crystal Referencing PLL Tuning
- International Power Supply (90-260VAC)
- BTSC Stereo Compatible (ST-MOD)
- Easy-to-Read LED Channel Display
- Overmodulation Indicators
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HMMA AGILE MODULATOR
HMMA AGILE MODULATOR HMMA AGILE MODULATOR The HMMA is a high quality SAW filtered frequency agile modulator designed to meet high CATV performance standards. The small modulator is 1\” wide for an easy fit into one slot of our Mini Modular Head-End System.
- SAW Filtered, PLL Controlled Modulators
- Stereo Encoder Available
- Low Out-of-Band Noise
- LED Channel Display
- Stereo Encoders Available
- Front Panel Push Button Controls
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HMMS SAW MODULATOR
The HMMS-* mini-modulator is a commercial grade fixed channel design that integrates with Holland\’s Mini-Modulator System. The HMMS-* accepts any A/V base-band signal and outputs on CATV channels 2-135 at a minimum 45 dBmV. HRC and IRC offsets available.
- SAW Filtered, PLL Controlled Modulators
- Low Out-of-Band Noise
- Stereo Encoders Available
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HPM55-* FIXED CHANNEL SAW MODULATOR
HPM55-* FIXED CHANNEL SAW MODULATOR Adjacent channel audio/video modulator specifically designed for head-ends requiring proven performance. The HPM55’s internal filters provide sharp VSB reduction for adjacent channel operation while maintaining similar C/N and video response found in more expensive SAW modulators.
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HSM55-* FIXED CHANNEL MODULATOR
The HSM55-* is the same proven modulator as the HPM55-* with additional SAW filtering providing unparrallelled adjacent channel performance. |
DEMODULATORS
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The HMDS is a commercial grade frequency agile mini demodulator for use with Holland’s Modular Head-End System. With SAW filtering and PLL controlled oscillators for enhanced adjacent channel performance. |
The HDM-1 frequency agile demodulator is designed to receive and demodulate all UHF, VHF, and CATV channels to baseband audio, video and multiplex signals. The HDM-1 uses a microprocessor driven PLL synthesized tuning circuit to assure precise tuning and accuracy. The microprocessor controls all functions and provides for easy channel selection using front panel channel up/down buttons and a large LED display. |
The HMDD Demodulator permits the delivery of digital television signals in analog format directly to a television. They also interface easily with existing analog modulators on CATV networks. This high performance digital receiver allows for the reception and demodulation of an 8VSB (Off-air SD/HD digital TV Signal) signal into a baseband NTSC video and audio output. Closed Captioning Support Non-Volatile Memory Agile Input LED Channel Display |
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The HDD Demodulator permits the delivery of digital television signals in analog format directly to a television. They also interface easily with existing analog modulators on CATV networks. This high performance digital receiver allows for the reception and demodulation of an 8VSB (Off-air SD/HD digital TV Signal) or QAM (Digital CATV) signal into a baseband NTSC video and audio output. Closed Captioning Support Non-Volatile Memory Agile Input LED Channel Display
HPH SERIES AGILE PROCESSORS
The HPH-860 frequency agile processors have been designed to convert any off-air cable channel input to any cable channel. All channel conversions are performed using simple front panel buttons and a large LED display indicating input and output channels. Frequency control is accomplished by a microprocessor controlled, PLL synthesized tuning circuit to assure accurate, stable operation. The HPH-860AD hetrodyne processor can be used to process digital off-air or cable channels while retaining the digital format. 60 dBmV Output Precise Signal Regulation Front Panel LED Channel Display Switching Power Supply (Operates from 90-260 VAC)
RACK MOUNTED AMPS
HSA-* SINGLE CHANNEL AMPLIFIER The HSA is a highly filtered, AGC’d, single channel amplifier capable of providing the highest off-air signal performance in an adjacent channel head-end. The high out-of-band rejection coupled with a low input AGC threshold make the HSA the ideal choice for on-channel processing. A low noise input amplifier provides the cleanest pictures at low-input levels. Built-in Adjacent Channel Filters Low Noise Input Circuitry Low AGC Threshold (-2dBmV) High Out-of-Band Rejection AC Convenience Outlet
HCA-3051RK and HCA-3086RK are high-output hybrid rack-mountable amplifiers perfect for any head-end system. These high performance amplifiers use push-pull CATV hybrid circuitry providing extremely low noise and distortion. Front panel adjustable slope and gain controls allow easy system balancing.
Push-Pull CATV Hybrid Circuitry
High Output
Adjustable Gain and Slope
-30 dB Output Test Port
Auxilliary AC Outlet
RACK MOUNTED MULTISWITCHES
RACK MOUNTED MULTISWITCHES
Single Satellite Switch
The HMS-16APR is a rack mounted multiswitch specifically designed for SMATV applications. The switch generates the voltage required for powering a dual LNB (13 & 18 volts). Also provides amplification to help overcome the insertion loss of the 16 outputs.
Multi-satellite Switch
The HMS-412ARK is a 4 LNB input, 12 output multiswitch designed to provide solid state multi-sat switching for head-end systems. This unit provides 13 and 18 volts as well as 22 kHz tone to lock the LNB’s on the required satellites.
Single Satellite Input (HMS-16APR)
Multi-Satellite Input (HMS-412ARK)
Low Distortion Amplification
Provides LNB Powering
Generates 22 kHz Tone (HMS-412ARK)
High Isolation
High Reliability
COMBINERS
The HCG-12 and HCG-24 are 12 and 24 input passive head-end combiners, intended to combine multiple modulator and processor inputs into one output while maintaining the highest isolation between ports. The HCG-12 and HCG-24 offer 1 GHz passband performance.
Directional Coupler Design
Low Insertion Loss
Front Panel Test Port
High Port-to-Port Isolation
AHC-16-860 ACTIVE COMBINER The AHC-16-860 is a high isolation, 16 channel active head combiner. With its internal CATV hybrid push-pull amplifier, the AHC-16-860 is able to compensate for its insertion loss and drive the cable system as well. The AHC-16-860 features a front panel gain control and a -20 dB test port. CATV Hybrid Amplification High Output High Isolation Low Distortion AC Convenience Outlet
CONVERTERS
The SHC converter is ideal for use in head-end and local origination applications. In head-end applications, the SHC is used to convert the incoming sub-band (T7 – T13) to VHF (7 – 13).
For local origination applications, the SHC can be used in offices, hospitals, or any situation where sub-band can be utilized to allow a TV within the system to view channels not available to others. These converted sub-band channels can then be redistributed using standard processors and demodulators.
Converts Sub-Band to High-Band
LED Power Indicator
Can be Used with Optional SBD Sub-Band Diplexer
HEAD-END ACCESSORIES
The MOR-71 is a standard 71″ equipment rack. The rack is solidly constructed from 12-gauge steel with fine-thread panel mounting screw holes and a scratch resistant grey hammer-tone finish. The rack has multiple shelving options and a mounting capacity of up to 40 1 3/4″ rack devices. The vertical structure is suitable for all industry standard 19″ panel widths and rack footprint is 2′ x 2′ for added stability. Meets EIA standard RS310C 19″ rack spacing.
The universal receiver rack from Holland has an adjustable shelving system which can be used to mount up to 8 satellite receivers vertically. Perfect for hotels and other applications which need multiple receivers in limited space. The RK-UNIV provides cross platform versatility enabling you to mount any type of receiver or media player in the head-end system without the need to improvise or use special hardware. The universal receiver rack houses up to 8 receivers (depending on the model) and can be adjusted in all directions to accommodate different sizes. The racks are slotted for ventilation and all mounting hardware is included.
Houses up to 8 receivers
Multi-directional adjustment capabilities
Black, static resistant powder coated steel
Mounting screws included
Slotted for ventilation
Robust construction prevents sagging
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Head End System Mini Modular Headend System Holland Electronics
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