Multi-Channel Twin AV To DVB-T Modulator

14MM-MDX420

Headend Equipment

Matchmaster has a full range of Headend equipment from entry level to complex systems, including engineering support and system designs. Matchmaster can offer simple Channel Filters with AGC through to complex DVB modules for any type of broadcast including Encoders, Modulators & Transmodulators for DVB-T, DVB-C, DVB-S/S2, IP, ASI, SDI, FM and many more.
View More Headend Equipment

Features and Benefits

AT series family DVBT twin modulators totally agile and independent channels
AV composite to DVB-T COFDM modulator
Programmable twin modulators
Rack mountable system
Loop input and output with F connection

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Specifications

Video Input	Frequency Range	20Hz - 6MHz
Video Input	Level/Impedance	1 V ± 0.1V/75 Ohms
Audio Input	Frequency Range	20Hz-15kHz
	Level/Impedance	775mV/10 kOhms
	Level Adjustment	6 - -6dB (2dB step)
Processing Video	Encoding	ISO/IEC13818-2 MPEG-2 MP@MI
	Resolution	720 x 576 (at 25 fps), 720 x 480 (at 30 fps)
	Frame Rate	25 max. PAL, SECAM, 30 max. NTSC
	Compressed System Bit Rate	2-9 Mbps
Processing Audio	Encoding	ISO /IEC11172-3 (MPEG1 audio) layer 2 compliant
	Sampling Rate	44.1kHz
	Bit Rate	256Kbps
	Audio Mode	Stereo
Modulation	MER	≥35dB
	Modulation	QPSK, QAM16, QAM64
	Channel Bandwidth	7/8MHz
	Guard Interval	1/4, 1/8, 1/16, 1/32
	Code Rate	1/2, 2/3, 3/4, 5/6, 7/8
	Transmission	2K
RF Output	Frequency Range	110 - 860MHz
	Level/Impedance	85dBµV/75 Ohm
	Output C/N	≥50dB
	Output Level Adjustment	0 - -15.5dB by 0.5dB step
	Frequency Range of RF Combining	47-2150MHz
	DC Pass Through	0.3 A
	Combining Through Loss Terr/SAT	1.5/2.5dB
	Return Loss	≥10dB
Current Consumption		12 V 0.65 A
Operating Temperature		0 - +50°C