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DTA-2115B All-Standard VHF/UHF/L-Band Modulator for PCIe High-end 0-2GHz modulator for virtually all cable, satellite and terrestrial digital-TV modulation standards. The DTA-2115B can be used as a single 72MHz bandwidth modulator, or as eight independent 8MHz modulators.
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Key Characteristics
| RF frequency | VHF, UHF, L band 32 to 2186MHz |
| Mod. bandwidth | Up to 72MHz 8MHz for 8-channel firmware |
| RF output level | -60 to 0dBm |
| Typical MER | 42dB |
| Phase noise | <-116dBc @ 10kHz |
Inputs and Outputs
| RF out - main | 50-Ω SMA |
| RF out - monitor | 75-Ω F female |
| PCI Express | PCIe gen3 x1 |
Modulation Standards
| Included with base product | ATSC 8VSB DVB-C DVB-CID DVB-S, DVB-S2 DVB-T, DVB-T2 single PLP QAM-B, QAM-C |
| Options | ATSC-M/H ATSC 3.0 CMMB DAB(+), DRM(+), T-DMB DTMB (ADTB-T, DMB-T/H) DVB-C2 DVB-S2X DVB-T2 multi PLP ISDB-S, ISDB-S3 ISDB-T, ISDB-Tmm |
| More options | I/Q sample playout AWGN insertion Multipath echo simulation Remotely controlled playout |
| DTC-385-HW8CH | 8-channel firmware that transforms the DTA-2115B into 8 independent 8MHz modulators, each fully agile in the VHF and UHF band |
| GOLD option | All options in this table, plus any future option developed for the DTA-2115B |
PC Support
| OS | Windows 10, 11 Windows Server 16, 19, 22 Linux ≥2.6.18, 3.x, 4.x, 5.x |
| Processor | Core i5 minimum Core i7 recommended Or equivalent AMD CPUs |
Software
| StreamXpress | Play TS files and control modulation parameters |
| XpressSim | Channel simulator (option for StreamXpress) |
| T2Xpress | DVB-T2 signal generator with full control of all modulation parameters and with integrated channel simulator |
| C2Xpress | DVB-C2 signal generator |
| TmmXpress | ISDB-Tmm signal generator |
| SpRcApi | StreamXpress remote control API for automated playout and modulation |
| DekTec SDKs | Create your own full-custom application with modulated output via the DTA-2115B |
Documentation
Pricing
| DTA-2115B-SP | € | 4.271 | No stock |
| All-standard VHF/UHF/L-band modulator for PCIe with StreamXpress player software. | |||
| DTA-2115B-GOLD | € | 7.875 | No stock |
| All-standard VHF/UHF/L-band modulator for PCIe with all current and future modulation options, channel simulation and StreamXpress including remote control. Includes the 8-channel 8-MHz firmware option. | |||
| Modulation Options |
| The base version of the DTA-2115B supports the modulation standards listed under "Modulation standards" at the top of this page. Please refer to the Modulation Options page for all available options. |
Prices exclude applicable sales tax, shipping charges and customs duties. Quantity discounts may be available, please request a quotation.
Features
- Supports all constellations and modulation modes for each supported standard in VHF, UHF and L-band.
- Excellent signal quality through direct digital synthesis of the RF output signal and an on-board ultra-low phase-noise oscillator.
- Flexible architecture lends itself for advanced modulation schemes, e.g. ATSC 3.0, DVB-S2X, multi-segment ISDB-Tmm, and even 64MHz DVB-C2 channel bonding.
Applications
- High-end general-purpose test modulator in your R&D lab for developing and qualifying DTV equipment, or for experimentation with new RF modulation schemes.
- Automatic test equipment (ATE) for tuners, demodulator chips, receivers, TV sets etc.
- Play-back of arbitrary I/Q sample files that are recorded or pre-computed (e.g. with MATLAB), with a bandwidth up to 72MHz.
Standard Firmware - 1x 72MHz Modulator
Implements a universal modulator with 72MHz bandwidth, agile over VHF, UHF and L-band. The functional block diagram of this firmware is shown below. Special features include GPS synchronization to 1pps and 10MHz inputs, and phase noise emulation.
Firmware Option - 8x 8MHz Modulators
The DTC-385-HW8CH option, also included in DTA-2115B-GOLD, enables the 8x 8MHz firmware variant (select with DtInfo). It contains 8 independent 8MHz modulators that can be set to different (or the same) modulation standards, e.g. 2x DVB-T2, 2x DVB-C, 3x ATSC and 1x ISDB-T.
Each of the 8 modulators is fully agile over the VHF and UHF band. The carriers can be positioned anywhere in this band, independent of each other. The picture below shows an example of an actual spectrum of 8 DVB-C carriers between 400 and 600MHz.
Related Products
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DTU-315 – All-Standard 0-2GHz Modulator for USB-3 The portable variant of the DTA-2115B: Easy to install and easy to carry to demos and around the lab. The DTU-315 uses all-digital modulation and upconversion, similar to the DTA-2115B. However, as the DTU-315 is bus powered, it has a reduced maximum output level (-25dBm vs 0dBm for DTA-2115B). |
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DTA-2107 – Multi-Standard Satellite Modulator for PCIe Satellite-only modulator with support for satellite standards DVB-S, DVB-S2 and ISDB-S. The DTA-2107 does not support DVB-S2X, for that standard the DTA-2115B or DTU-315 is required. The DTA-2107 is a low-profile PCIe card, while the DTA-2115B is standard profile. If you need satellite modulation without S2X, then the DTA-2107 is a cost-effective alternative to the all-standard DTA-2115B. |
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DTA-2111B – Multi-Standard Cable/Terrestrial Modulator for PCIe Cable terrestrial modulator with VHF/UHF output. The DTA-2111B does not support ATSC 3.0, nor satellite standards such as DVB-S2. Like the DTA-2107, the DTA-2111B is low profile. The price point of the DTA-2111B, compared to the DTA-2115B is very attractive, making it an excellent choice for OEM applications with cable or terrestrial modulation. |
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DTA-2116 – All-Standard 0-3GHz Modulator for PCIe Successor of the DTA-2115B with a low-profile PCIe form factor, wider programmable output level range and better synchronization capabilities. However, the DTA-2115B supports an 8-channel option, not available for the DTA-2116. |
