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Maxiva™ VAX with PowerSmart® 3D
Maxiva™ VAX
Maxiva™ VLX
Maxiva™ VAX Compact Class
FACTUM
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Service Provider System
rsw100 Switch
Test & Demo system
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DAB ETI Recorder/Player
DTC100 DAB Transport Converter
Factum ETI Test Library
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 The Maxiva™ VAX Compact Class family of VHF Band III solid-state transmitters, transposers/translators and gap fillers (formerly Platinum™ VAX Compact Class) builds on the proven foundation of Harris Broadcast low-power systems and PowerSmart® technology. It provides today’s digital broadcaster with a suite of compatible products to accommodate any coverage application, along with unmatched performance, reliability and quality.

 
Designed for digital broadcasting, the Maxiva VAX Compact Class is a platform available as a transmitter for DAB, DAB+ and DMB radio, or as transmitter, transposer or SFN gap filler configurations for DVB-T/H, DVB-T2, ATSC, ATSC-MDTV, ISDB-Tb and analog television networks. The Compact Class is ideal for extending market coverage and filling in coverage gaps in challenging situations, including busy urban areas that require greater building penetration.
 
Maxiva VAX Compact Class covers low-power VHF transmissions in a 2RU chassis design, with rack savings of up to 50 percent compared to previous-generation transmitters of equivalent power levels. This product integrates Maxiva M2X™ exciter technology to enable simple modulation changes and analog-to-digital upgrades, providing broadcasters the highest level of performance and allowing fast setup time with Real Time Adaptive Correction (RTAC™). The shared modulation approach provides a common interface for Platinum users, reducing training requirements.
 
The Maxiva VAX Compact Class provides pre-filter power levels up to 150 W (DAB/DAB+/DMB), 180W (ATSC), 100W (COFDM) or 250W (Analog).VAX Compact Class transposers/translators provide efficient and reliable re-broadcast of the received signal in a small and robust package. The gap filler configuration adds a powerful echo cancellation algorithm to deliver on-channel broadcast. This combination of products enables broadcasters to address any network coverage need.

FEATURES
Maxiva VAX Compact Class Platform:
Power levels from up to 150W DAB/DAB+/DMB, 100 W TV-COFDM, 180 W ATSC,
Broadband, frequency agile design – VHF 168 to 242 MHz
Built-in GPS option for Single Frequency Network (SFN) support
Compact, space-saving, 2RU design
Full remote control capability including:  
Web-based HTML GUI interface 
SNMP 
Parallel control/monitoring
 
Transmitter:
Dual transport stream inputs with manual/auto switching
Real-Time Adaptive Correction (RTAC)
DAB, DAB+, DMB, DVB-T/H, DVB-T2, ATSC, ATSC-MDTV, ISDB-Tb modulations available
 
Transposer/Translator:
For all TV-COFDM and ATSC standards
Digital, tunable RF input filter
 
SFN Gap Filler:
Powerful adaptive echo cancellation with up to 15 dB gain margin for exposed stations and difficult situations
Very low processing delay, ideal for short guard intervals in COFDM
Digital IF filter for maximum adjacent channel suppression
 
 
SPECIFICATIONS

 

Specifications and designs are subject to change without notice.

General
RF Output Frequency Range VHF Band III, 168 to 242 MHz, in 1 Hz steps
Transmission Standards DAB, DAB+, DMB, ATSC, DVB-T, DVB-T2, ISDB-Tb, Analog
RF Channel Bandwidth (System dependent) 1.5, 6,7, or 8 MHz
Rated Output Power 
(before mask filter)
DAB/DAB+/DMB: Up to 150 Watts 
ATSC: Up to 180 Watts 
DVB-T/T2, ISDB-Tb: Up to 100 Watts
Analog: Up to 250 Watts pk sync
RF Power Stability ±0.5dB
Output Power Reduction Range 0 to -10 dB
RF Load Impedance 50 ohms
Operating Load VSWR Up to 1.4:1
Maximum VSWR Protected against open or short circuit, all phase angles. Automatic VSWR foldback with user adjustable threshold. Factory pre-set to 1.4:1.
 
Inputs/Outputs
RF Output Connector 1 x Type N Female, 50 ohms, rear access
RF Input Samples for Adaptive 1 x SMA, 50 ohms; dynamic range: -20 to +10 dBm, rear access
TV Transport Stream Inputs 2 x BNC, 75 ohms terminated (50 ohms connector per ASI rec.), configurable as SPMTE 310M, DVB-ASI, or DVB-T2MI 
2 x BNC, 75 ohms terminated (50 ohms connector per ASI rec.), additional for DVB-ASI hierarchical modulation
DAB/DAB+/DMB Signal Inputs ETI Input: BNC-female, user selectable 75 ohms or high impedance termination. 2x ETI (NI, G703) or 2x ETI (NA, G704), seamless input signal switch-over automatic optional EDI input: 10/100 Base T RJ-45, per ETSI TS 102 693 V1.1.2, 1 channel, UDP/DCP or TCP/DCP protocol
10 MHz Reference Input 1 x BNC, 50 ohms, rear access, -7 to +20 dBm, <20 dB return loss
1 PPS Reference Input 1 x BNC, 50 ohms, rear access
10 MHz Reference Output 1 x BNC, 50 ohms, front access
1 PPS Reference Output 1 x BNC, 50 ohms, front access
Ethernet 1 front, RJ-45, customer access 
1 rear, RJ-45, DHCP enabled network interface (SNMP)
Parallel Remote Control 1 rear user remote
GPS Antenna Input 1 x SMA, 50 ohms, rear access (optional)
RF Monitor Output 1 x SMA, 50 ohms, front access
 
AC Power
AC Power Input 110 to 230 V AC, auto-ranging, ±15%, 47 to 63 Hz
Power Factor >0.96 (typical 0.98)
 
Environmental
Operational Temperature Range 0° to 45° C (32° to 113° F)
Storage Temperature Range -40 to +70° C
Relative Humidity 0 to 95%
Altitude Up to 3,000 m (9,843 ft) above sea level, derate 2° C (3.6° F) per 300 m (984 ft) of elevation
Cooling Method Forced air-cooled, internal fans, airflow front to rear
Acoustic Noise ≤65 dBa (front 1 m)
Physical Dimensions (H X W x D) 2RU x 19 x 23 in. (44 x 483 x 584 mm)
Weight 24.7 lbs (11.2 kg)
Shipping Weight 30.0 lbs (13.6 kg)
 
Compliance RoHS 2002/95/EC 
R&TTE 1999/5/EC 
Safety: EN 60215 
EMC: EN 301-489-1 
FCC Part 73, A/53 , A/110 
DVB-T: ETSI EN 300 744 
DVB-T2: ETSI EN 302 755 
Rusia GOST 
Brazil ANATEL 
CE Marked
 
DTV COFDM Transmitter Specifications
Rated Output Power 50 W and 100 W models available, measured before mask filter
Shoulder Level <-42 dB (typical <-50 dB)
MER >37 dB (typical >40 dB)
END (per ETR 290) ≤0.5 dB
Frequency Stability ±150 Hz/month without PFC/GPS (2.3 x 10-7)
Internal GPS Option
GPS Back up Time 18.4 hours (maximum time drift 12.4 μS) 10° C variation day/night
Transmitter Processing Delay Programmable up to 1 second maximum delay
Frequency Offsets 1 Hz increments
Input Bit Rate DVB-T: 4.976 to 31.668 Mbit/s 
DVB-T2: up to 50.28 Mbit/s 
ISDB-Tb: Per standard
Response Variation 0.2 dB, typical across channel
Phase Noise 10 Hz <-55 dBc/Hz 
100 Hz <-85 dBc/Hz 
1 kHz <-90 dBc/Hz 
10 kHz <-95 dBc/Hz 
100 kHz <-112 dBc/Hz 
1 MHz <-130 dBc/Hz
Spurious Output <-60 dBc (after mask filter and low pass filter)
Harmonics <-60 dBc after mask filter, <-35 dB before mask filter
Spectrum Mask Per standard. Filters for critical and non-critical mask available
Central Carrier Suppression >75 dB relative to average power
Intermediate Frequency (IF) 140 MHz
 
DAB/DMB+/DMB Transmitter Specification
Rated Output Power 75W and 150W models available, measured before mask filter
Systems DAB/DAB+/DMB (OFDM) ETSI EN 300 401 & ETSI TR101 496-1
Harmonic/Spurious Output Complies with EN 302077-2 when used in conjunction with proper band pass filter
Shoulder Level 35 dB minimum, >36 to 40 dB typical
MER >25dB (at maximum rated power)
Spectrum Mask Per standard. Filters for critical and non-critical mask available
Monitoring Outputs ETI Monitor 
2.048 MHz 
Sync ETI 
Sync OFDM
 
ATSC Transmitter Specifications
Rated Output Power 90 W and 180 W models available, measured before mask filter
Shoulder Level <-42 dB (typical <-50 dB)
EVM <2%
SNR >34 dB (typical >37 dB)
Frequency Stability ±150 Hz/month without PFC/GPS (2.3 x 10-7)
Internal GPS Option
GPS Back up Time 18.4 hours (maximum time drift 12.4 μS) 10° C variation day/night
Transmitter Processing Delay Programmable up to 1 second maximum delay
Frequency Offsets 1 Hz increments
Input Bit Rate 19.39 Mbit/s
Response Variation 0.2 dB, typical across channel
Phase Noise <-104 dBc/Hz @ 20 kHz offset (ATSC A/64)
Spurious Output Meets FCC 5th and 6th report and order
Spectrum Mask Per ATSC standard
Intermediate Frequency (IF) 140 MHz
 
Transposer and Gap Filler (TV Only, all standards)
RF Input Frequency Range Band III 168 to 242 MHz, or Band IV/V 470 to 862 MHz
RF Input SMA-Female, 50 ohms, rear access
RF Input Level -70 dBm to -10 dBm
Maximum Input Level 0 dBm
Adaptive Echo Cancellation Included (applies to Gap Filler only)
Gain Margin COFDM: -12 dB minimum, -15 dB typical 
ATSC: 0 dB
Adjacent Channel Rejection >35 dB
Internal Transit Time <6 µS
Echo Window Size 5 µS
Echo Window Offset 1.5 to 448 µS
Static Delay 0 to 400 µS in steps of 100 µS
MER Up to 34 dB, dependent on input
MER Degradation <2 dB degradation referenced to input, at <34 dB input MER
Response Variation 0.2 dB, typical
Spurious Output <-60 dBc (after mask filter and low pass filter)
Harmonics <-60 dBc (after mask filter and low pass filter), <-35 dB before mask filter