Promax DT-102B 듀얼 DVB-T 변조기 (ASI-TS 입력 및 결합 된 DVB-T UHF 출력)

Type: 2 (DT-102B) independent ASI-TS inputs. 

Connector: BNC female, impedance 75 Ω. 

Packets: TS of 188 or 204 bytes in length (automatic detection). Automatic adaptation to binary speed (elimination of NULL, Packetstuffing and PCR-restamping)

Parameters: DVB-T (modulation) 

Carrier: 2k, 8k 

Constellation: QPSK, 16-QAM, 64-QAM 

Channel bandwidth: 6 MHz (1), 7 MHz, 8 MHz 

Guard interval: 1/4, 1/8, 1 / 16, 1/32 

Code Rate: 1/2, 2/3, 3/4, 5/6

RF output (DVB-T) 

Type 1: 2 combined independent DVB-T multiplex (DT-102B). 

Connector: BNC female , 50 Ω impedance. 

Frequency range: Between 474 and 875 MHz, in 1Hz steps (for VHF band output, see Options). 

Power level: (average) Approx. 85 dBµV without attenuation. 

Variable attenuation: from 0 to 30 dB (in steps of 1 dB). 

Stability in frequency: 10 ppm. 

MER> 37 dB from 650 MHz to 860 MHz> 39 dB from 474 MHz to 650 MHz 

Phase noise SSB: -87 dBc/Hz@2kHz