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深圳市鑫成通電子有限公司
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深圳市鑫成通電子有限公司
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更新時(shí)間：2025-01-29 12:21:12瀏覽次數(shù)：66次
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深圳市鑫成通電子有限公司專業(yè)銷售DTA-115調(diào)制器 DVB-T/H,提供調(diào)制器/卡DTA-110T,DTA-115,TVB390,DTA-107S2,NN6-1161,HEV1000,UCM4540;碼流播放卡DTA-100,DTU-205;碼流分析儀DTU-245;DVB-H&DMB-TH等
FEATURES
? Multi-standard modulator with support for
most QAM- and OFDM-based modulation
standards
? Supports all constellations and modulation
modes for each supported standard
? All-channel upconverter 47 .. 862MHz
covering full VHF and UHF band
? Output amplifier with programmable
0 .. 31.5dB attenuator in 0.5dB steps
? Monitor output for direct connection to the
antenna input of a digital receiver
? Bi-directional DVB-ASI port
? Programming interface (DTAPI) is fully
compatible with other DekTec digital-video
output adapters
? PCI rev 2.2, 32 bit, 33 or 66 MHz bus
APPLICATIONS
1. RF test generator
2. Modulator replacement
3. RF output for your (OEM) applicat
KEY ATTRIBUTES
Parameter Value
Bandwidth 5.0 .. 8.0MHz
Connector 50Ω BNC
Return Loss ≥15dB (47 .. 862MHz)
Range 47 .. 862MHz ±1ppm
Step Size adjustable, ≥100kHz
Level (QAM) -31.5 .. 0dBm ±1dB
Level (OFDM) -34.5 .. -3dBm ±1dB
Phase Noise <-90dBc @ 10kHz
Main
Output
Spectral Purity >50dB (47 .. 862MHz)
Connector 75Ω F
Return Loss ≥15dB (47 .. 862MHz)
Level (QAM) -27.5dBm ±2dB
Monitor
Output
Level (OFDM) -30.5dBm ±2dB
Connector DVB- 75Ω BNC
ASI Return Loss ≥15dB (5 .. 270MHz)
MODULATION STANDARDS
Modulation Standard
DTMB GB 20600-2006
DVB-T / DVB-H EN 300 744
ISDB-T ARIB STD-B31
QAM J.83 Annex A/B/C
ORDERING INFORMATION
Type Description
DTA-115-SP Multi-Standard VHF/UHF
Modulator with StreamXpress
DTC-370-ISDB ISDB-T software option
DTC-374-DTMB DTMB software option
Bundles
DTA-115-ISDB-SP DTA-115-SP, DTC-370-ISDB
DTA-115-DTMB-SP DTA-115-SP, DTC-374-DTMB
The latest pricing information and a list of DekTec resellers can be found
on . An OEM version of the DTA-115 is available
upon request; please contact DekTec for OEM conditions.
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