Maxiva™ IMTX-70

Low Power UHF Intra-Mast Transmitter / Transposer / Gap Filler

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OVERVIEW

GatesAir’s award-winning product, the new Maxiva™ IMTX-70 Intra-Mast Transmitter, is a very compact modular multi-transmitter system. It has been scaled to allow installation within shared transmitting infrastructure 19” standard shelters. This structure itself provides complete protection from the outside environment, while allowing heat dissipation via convection, plus forced air cooling through the unit.

The diminutive dimensions of the Maxiva IMTX-70 chassis are key to this unique design. Measuring only 9.5RU height in a 19” standard rack cabinet. Cooling air is provided by vertical air convection within the mast structure, complemented by dedicated small fans for each transmitter slot, inside the chassis.

Although extremely compact in size, the Maxiva IMTX-70 boasts many features normally found in full-size systems, including the capability of housing up to eight separate transmitter modules, each with up to 70W of average DTV power. Each module can be configured as a transmitter, translator, or on-channel gap-filler with echo-cancellation, using optional input cards. A DVB-S/S2 satellite receiver option is also available as well as GbE (TS over IP), ASI, T2MI, SMPTE-310M, and ETI inputs. Digital modulations are supported include; ATSC, DVB-T, DVB-T2, and ISDB-T. For ISDB-T/Tb applications, an embedded Re-Multiplexer and Layer Combiner/TS to BTS, can be included.

The RF output stage is a high-efficiency Doherty broadband amplifier for energy savings and minimal waste heat. Maxiva IMTX provides a dedicated power supply for each transmitter slot, plus the option of PSU redundancy. Remote control includes SNMP and a Web interface.

Main Features of Maxiva™ IMTX-70

Compact chassis: 9.5RU height, 19” standard rack, 330 mm depth
Up to 8 separate transmitter modules
Output power: Up to 70W rms per module
Input interface options for each module:
- ASI, BTS, T2MI, SMPTE-310M, ETI
- Gbe port (TS over IP)
- DVB-S/S2 Satellite Receiver input (including CAM interface)
- RF receiver input for Transposer/Gap-Filler configuration (Direct Conversion – zero IF)
- Regenerative receiver input option for Transposer
Supports DVB-T/H, ISDB-T/Tb, DVB-T2, ATSC modulations
Embedded Re-Multiplexer/Layer Combiner/TS to BTS (188 to 204 byte) converter for ISDB-Tb
Adaptive pre-correction circuits
High stability GPS / GLONASS receivers with battery
Dedicated power supply for each module and optional hot swappable redundant power supply
SNMP, Web Interface and Touch Screen display
RF combiner option for multiple transmitter systems

Main Features of Maxiva™ IMTX-70

Compact chassis: 9.5RU height, 19” standard rack, 330 mm depth
Up to 8 separate transmitter modules
Output power: Up to 70W rms per module
Input interface options for each module:
- ASI, BTS, T2MI, SMPTE-310M, ETI
- Gbe port (TS over IP)
- DVB-S/S2 Satellite Receiver input (including CAM interface)
- RF receiver input for Transposer/Gap-Filler configuration (Direct Conversion – zero IF)

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