The DVB1B Modulator offers digital linear and non-linear precorrection for a high quality output signal. Other available features include DVB-H and SFN modes, hierarchical modulation and more.

Industry Renowned Manufacturing and Support
Like all Axcera products, the DVB1B is manufactured and supported by our world-class organization under strict ISO 9001:2008 quality control. Learn More

Technical Specifications
Signal Processing IFFT Interleaver Guard Intervals Code Rates Constellations Hierarchical Modes (optional) Network Mode Bandwidth	2K, 8K (4K w/ DVB option) Native (in-depth w/ DVB option) 1/4, 1/8, 1/16, 1/32 1/2, 2/3, 3/4, 5/6, 7/8 QPSK, 16-QAM, 64-QAM 16-QAM and 64-QAM in alpha-1, alpha-2, and alpha-4 MFN (SFN optional) 8 MHz, 7 MHz (6 MHz and 5MHz optional)
Electrical Specifications
Inputs MPEG-2 Clock Reference (carrier frequency and SFN timing) - Connector - Frequency - Level - Impedance Time Reference (SFN timing) - Connector - Frequency - Level - Trigger - Impedance IF Output Connector Center Frequency Frequency Stability Spectrum Polarity Level Stability Return Loss Spectrum Outside Band - ±-3.8 MHz - ±-4.25 MHz - ±-5.25 MHz Harmonics and Spurious MER RF Output (optional) Connector Frequency Power Supply Voltage Range Frequency Range Consumption Harmonics Test Modes Removal of 1 Carrier Removal or 50 Carriers Single Carrier TS-stuffing Precorrection Nonlinear Correction - Curve Formats - Amplitude Scale - Correction Points - Gain Correction - Phase Correction Linear Correction - Correction Points - Point Spacing - Amplitude Correction - Amplitude Resolution - Group Delay Correction - Group Delay Resolution Control Interface RS232 Interface - Connector - Command Protocol RS485 Interface - Connector Ethernet Interface - Connector - Function	Two ASI inputs, BNC, 75 ohm BNC 10 MHz 100mV-3Vpp 50 ohm / >1kohm, user selectable BNC 1 PPS 0-5V Selective rising/falling 50 ohm / > 1kohm, user selectable BNC, 50 ohm Adjustable 35-46 MHz in steps of 1 Hz Internal ref 1 ppm/or in accordance with external ref accuracy Inverted and non-inverted selectable via front panel menu -10 to 0 dBm in 0.1 dB steps ±0.2 dB > 26 dB 0dB < 48 dB < 56 dB < 60 dB relative to the total output power ≥ 43 dB N, 50 ohm 30 MHz to 1 GHz, selectable 90 - 264 VAC 47 - 63 Hz 40W EN 61000-3-2 Movable 1-carrier hole for noise test Movable 50-carrier hole fore test of IM and quantization noise COFDM spectrum replaced by single carrier at center frequency intended for level alignment PRBS sequence in accordance with ETR290 paragraph 9.16.1 S21 and VO/VI Linear and logarithmic Max. 256, user-defined position Max. 12 dB, subject to available headroom -6 to +30 degrees, subject to available headroom 61 1/60 of nominal spectrum BW ±10 dB 0.01 dB ±1000 ns 1 ns 9-pin SUB-D male Interactive CLI commands 9-pin SUBD female RJ45 Web browser remote control and SNMP client
Environmental Specifications
Operating Temp. Range Temp. Range Within Specs Temp. Range Storage Operating Humidity Range Humidity Storage	0ºC to 50º (+32ºF to +122º) +5ºC to +45º (+41ºF to +113º) -30ºC to +70º (-22ºF to +158º) Max. 90% RH Max. 90% RH
Mechanical Specifications
Size (H x W x D) Weight	1.75" x 19" x 19" rackmount 6 kg/16 lbs

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