Whether your requirement is a single- or multi-collector IOT; air, water or water/glycol cooling; digital or analog, the Visionary Series transmitter is your high power UHF solution for today and tomorrow. By accommodating multiple tube styles from various manufacturers all in the same transmitter design, the Visionary ensures that the power amplifier will be supported for the life of the transmitter, as it can even be converted from one technology to another in the field.

The Visionary Series is already the most full featured and best engineered line of IOT transmitters available, and the addition of analog and digital high efficiency multi-collector amplifiers, with the flexibility to choose the technology and tube vendor, takes it another step beyond other transmitter offerings.

With every standard analog configuration comes a dedicated upconverter and broadband LDMOS driver amplifier for each IOT final amplifier. This design provides independent correction for each tube, optimizing performance while providing excellent redundancy and ensuring on-air reliability. For the ultimate in digital output performance, the digital exciter and companion upconverter replace the analog exciter configuration, offering the advantage of continuous linear and nonlinear adaptive precorrection.

Dual modulators or exciter/drivers with automatic switchover are also available to suit the highest redundancy requirements. Available precise frequency control, which is especially critical in adjacent channel applications, allows the exciter to be locked to any precision 10MHz standard for a ±2Hz frequency stability. Control and monitoring is provided through Axcera’s Advanced Control System (ACS™), designed to provide straightforward control and monitoring functionality for the complete transmitter system, both locally and remotely.

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Visionary, Proven Quality From The RF Experts For analog broadcasting, Visionary transmitters combine over 25 years of Axcera RF design experience with proven IOT amplifier technology, resulting in a world class transmitter system. Designed to meet the needs of the most demanding full service broadcasters, this product line is available in many configurations. Single tube air-cooled units provide up to 30kW peak visual power, while multi-tube air-cooled designs are available up to 120kW. If your preference is liquid cooling, power levels to 70kW can be achieved with a single tube, while multi-tube configurations provide up to 420kW. Additionally, our versatile design ensures that conversion of the Visionary to digital operation is very straightforward and cost effective, protecting your investment into the future.
Visionary DT, Designed to be the Best DTV Transmitter Available The Visionary DT benefits from Axcera’s extensive digital broadcasting experience. Exceptional performance is ensured with highly stable and low noise carrier generation, along with precise digital filtering. Like the analog version, this unit is available in many configurations. Single tube air-cooled transmitters are available up to 12.5kW average power with multi-tube air-cooled units available to 50kW. Choose liquid cooling, and a single tube can provide up to 30kW average power, while the 180kW can be achieved in multi-tube configurations. Because it was designed for operation in the US and abroad, the Visionary DT is available in either 8-VSB or COFDM configurations, and can be easily converted between the two.
Axciter Digital Exciter-Modulator For ATSC operation, Visionary DT transmitters include Axcera’s digital television modulator, the most advanced ATSC exciter available today. This unit offers adaptive digital linear and non-linear precorrection. Other available options include ATSC Mobile DTV, Distributed Transmission and Bandwidth Enhancement Technology (BET).
DVB Exciter-Modulator For DVB-T/T2/H/SH applications, the Visionary is available with Axcera’s DVB-compliant modulator. This unit offers digital linear and nonlinear precorrection for a high quality output signal. Optional adaptive correction is also available. Other available features include an SFN mode, hierarchical modulation and more.
Analog Exciter-Modulator For analog broadcasting, Visionary transmitters offer a precision Axcera exciter/modulator using combined visual/aural processing. Drawing on the experience of hundreds of Axcera exciter retrofit systems in television stations everywhere, this exciter has unequaled stability, performance and signal correction capability. Differential phase correction is achieved in the modulator stage while the upconverter section provides the necessary signal correction for linearity, ICPM and frequency response distortions. Multi-tube configurations include dedicated upconverters, providing independent correction for each final amplifier, optimizing performance and providing excellent redundancy. The extensive correction capability of the exciter, along with the excellent performance of our LDMOS driver amplifiers, provides intermodulation performance better than 60dB below visual carrier. Stability is also enhanced with an automatic level control (ALC) loop to the output of the IF correctors, maintaining consistent performance over environmental variations.
Driver Amplifiers Every Visionary Series transmitter uses broadband solid state LDMOS driver amplifiers, yielding exceptional performance with low power consumption. The advanced design provides high efficiency and excellent linearity performance, minimizing in-band beat products and simplifying out-of-band filtering. These amplifiers are fully broadband across the entire UHF band, minimizing spare parts stock for multi-station operators, and simplifying channel changes. The amplifiers are housed in slide-out modules with hinged front panels, providing convenient access for easy amplifier maintenance. An independent power supply, cooling system, circulator and protection circuitry is integral to each amplifier tray. Additionally, status LEDs and metering are prominently located on the front panel for simple monitoring of critical operating parameters.
IOT Final Amplifier Visionary Series transmitters are designed to accept single or multi-collector IOTs, air, water or water/glycol cooling and multiple sources of IOTs and circuit assemblies for both analog and digital service. This gives our users the flexibility to choose the technology and the security that the power amplifier will be supported for years to come. The Visionary Series IOT final amplifier is easily accessed through the front of the transmitter. The roomy cabinet interior was designed for convenient component access and all wiring is dressed in conduit for long-term reliability. A low level output coax breakaway is included to further ease tube maintenance while protecting the output cavity during tube removal and replacement. Designed for safety, all high voltage components associated with the IOT are located in a separate compartment within the final amplifier cabinet. Access to the separate high voltage compartment is obtained only through a key interlock system.
Control & Monitoring Every Visionary and Visionary DT includes Axcera’s Advanced Control System (ACS). ACS is a user-friendly, full-featured system controller with an intuitive, straightforward graphical user interface (GUI). The GUI is accessed through a transmitter mounted flat panel color display or an Ethernet connection to a local PC. Control is also available remotely through an Ethernet connection or standard telephone line (POTS), offering all of the functionality of the local screen. ACS provides access to all system control and monitoring through soft-keys and nested block diagrams with “drill-down” capability. Simply select the desired control or monitoring function on the full-color touch screen LCD panel, and ACS clearly displays the requested information in both graphical and text formats, with no distracting 3D graphics. Integral to the system is a fault logging feature which records critical system parameters at user selectable intervals and stores all fault events for system evaluation. In addition to ACS, each PA cabinet includes separate front panel analog meters, which provide a quick read on critical IOT parameters, along with numerous status indicators and a digital LCD text display, providing a comprehensive view of other important parameters. Distributed control of multiple amplifiers provides independent operation for maximum reliability. Additionally, microprocessor control can be bypassed for emergency operation, without losing critical metering and protection functionality.
Industry Renowned Manufacturing and Support Like all Axcera products, the Visionary Series is manufactured and supported by our world-class organization under strict ISO 9001:2008 quality control. Learn More

Single-Tube ATSC
Model Numbers	HP12SD	HP25SDP	HP25SDW	HP30SDP	HP30SDW
Power Output	12.5kW	25kW	25kW	30kW	30kW
Tube Type	Single-Collector	Multi-Collector	Single-Collector	Multi-Collector	Single-Collector
Cooling Method	Air	DI-Water	Water/Glycol	DI-Water	Water/Glycol
Line Voltage	Step Start & Beam Supply: 480V, 3 Phase, 4 Wire; PA Cabinet: 208V, 3 Phase, 4 Wire; Exciter Cabinet: 208/240V, 3 Phase, 4 Wire/Single Phase, 3 Wire
Max. Altitude	7500 ft. (2200m) AMSL
Operational Temp. Range	0 to +50ºC, derate 2ºC/1000ft.
Operational Humidity Range	0% to 95% non-condensing

Dual-Tube ATSC
Model Numbers	HP25DD	HP50DDP	HP50DDW	HP60DDP	HP60DDW
Power Output	25kW	50kW	50kW	60kW	60kW
Tube Type	Single-Collector	Multi-Collector	Single-Collector	Multi-Collector	Single-Collector
Cooling Method	Air	DI-Water	Water/Glycol	DI-Water	Water/Glycol
Line Voltage	Step Start & Beam Supply: 480V, 3 Phase, 4 Wire; PA Cabinet: 208V, 3 Phase, 4 Wire; Exciter Cabinet: 208/240V, 3 Phase, 4 Wire/Single Phase, 3 Wire
Max. Altitude	7500 ft. (2200m) AMSL
Operational Temp. Range	0 to +50ºC, derate 2ºC/1000ft.
Operational Humidity Range	0% to 95% non-condensing

DVB
Model Numbers	HP20SCP	HP20SCW	HP40DCP	HP40DCW
Power Output	20kW	20kW	40kW	40kW
Tube Type	Multi-Collector	Single-Collector	Multi-Collector	Single-Collector
Cooling Method	DI-Water	Water/Glycol	DI-Water	Water/Glycol
Line Voltage	Step Start & Beam Supply: 380/415V, 3 Phase, 4 Wire; PA Cabinet: 380/415V, 3 Phase, 4 Wire; Exciter Cabinet: 220V, Single Phase, 3 Wire
Max. Altitude	7500 ft. (2200m) AMSL
Operational Temp. Range	0 to +50ºC, derate 2ºC/1000ft.
Operational Humidity Range	0% to 95% non-condensing

Single-Tube PAL
Model Numbers	HP50SAW	HP60SAP	HP70SAW
Power Output	50/60kW	60kW	70kW
Tube Type	Single-Collector	Multi-Collector	Single-Collector
Cooling Method	Water/Glycol	DI-Water	Water/Glycol
Line Voltage	Step Start & Beam Supply: 380/415V, 3 Phase, 4 Wire; PA Cabinet: 380/415V, 3 Phase, 4 Wire; Exciter Cabinet: 220V, Single Phase, 3 Wire
Max. Altitude	7500 ft. (2200m) AMSL
Operational Temp. Range	0 to +50ºC, derate 2ºC/1000ft.
Operational Humidity Range	0% to 95% non-condensing

Dual-Tube PAL
Model Numbers	HP100DW	HP120DAP	HP140DAW
Power Output	110/112kW	120kW	140kW
Tube Type	Single-Collector	Multi-Collector	Single-Collector
Cooling Method	Water/Glycol	DI-Water	Water/Glycol
Line Voltage	Step Start & Beam Supply: 380/415V, 3 Phase, 4 Wire; PA Cabinet: 380/415V, 3 Phase, 4 Wire; Exciter Cabinet: 220V, Single Phase, 3 Wire
Max. Altitude	7500 ft. (2200m) AMSL
Operational Temp. Range	0 to +50ºC, derate 2ºC/1000ft.
Operational Humidity Range	0% to 95% non-condensing

Single-Tube NTSC
Model Numbers	HP30SA	HP50SAW	HP60SAP	HP70SAW
Power Output	30kW	50/60kW	60kW	70kW
Tube Type	Single-Collector	Single-Collector	Multi-Collector	Single-Collector
Cooling Method	Air	Water/Glycol	DI-Water	Water/Glycol
Line Voltage	Step Start & Beam Supply: 480V, 3 Phase, 4 Wire; PA Cabinet: 208V, 3 Phase, 4 Wire; Exciter Cabinet: 208/240V, 3 Phase, 4 Wire/Single Phase, 3 Wire
Max. Altitude	7500 ft. (2200m) AMSL
Operational Temp. Range	0 to +50ºC, derate 2ºC/1000ft.
Operational Humidity Range	0% to 95% non-condensing

Dual-Tube NTSC
Model Numbers	HP60DA	HP100DAW	HP120DAP	HP140DAW
Power Output	60kW	100/112kW	120kW	140kW
Tube Type	Single-Collector	Single-Collector	Multi-Collector	Single-Collector
Cooling Method	Air	Water/Glycol	DI-Water	Water/Glycol
Line Voltage	Step Start & Beam Supply: 480V, 3 Phase, 4 Wire; PA Cabinet: 208V, 3 Phase, 4 Wire; Exciter Cabinet: 208/240V, 3 Phase, 4 Wire/Single Phase, 3 Wire
Max. Altitude	7500 ft. (2200m) AMSL
Operational Temp. Range	0 to +50ºC, derate 2ºC/1000ft.
Operational Humidity Range	0% to 95% non-condensing

For more information and detailed specifications please contact us at 724-873-8100 or email: info@axcera.com.