modulator from China manufacturer - Jiexun (chengdu) Electronics Co.,ltd

modulator

Price:	1.0~2000.0 USD
Payment Terms:	T/T,D/P
Place of Origin:	Sichuan, China (Mainland)


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Product Detail

Model No.: JXDH-6405A

Production Capacity: 5000sets/month

Delivery Date: 3-5 days

Output level: 0dBm: Modulation: TDS-OFDM

Means of Transport: Air

Packing: 220*450*135mm (carton)

Brand Name: Jiehao

Return loss : >15dB: FEC outer: BCH

DTMB Modulator
1.Support all the modes of GB20600-2006
2. Support SFN and MFN modes
3. modulation and channel encoding

JXDH-6405 DMB-TH Modulator is a high performance modulator in accordance with our country terrestrial wireless transmission TV signal.This modulator completely complies all the 330 kinds modes of EN50083 standards,which supply 1pps and 10MHz input, Built-in time synchronization module, as well as the SIP packet remote configuration modulation parameter.

Features

*Comply with EN50083 ASI standard

* Support all the 330 modules of the 20600-2006 standard

* With two ASI inputs,support hot reserve input mode

* Support SFN and MFN mode

* Support packet and burst mode of transport stream

* High reliability of amplitude output

* SFN mode: time offset setting,time synchronization, bit rate synchronization, frequency synchronization

* MFN mode: bitrate adaption, NIT update, PCR adjustment

Specifications

Output level		0dBm
MPEG-TS Input	complying EN 50083 ASI standard
	support 188/204 Bytes packet mode
	bit rate			4.813Mbps ~ 32.486Mbps
	interface			BNC with resistance 75Ω
RF output	with adjustable center frequncy 470MHz-862MHz, Stepping			1KHz
	major level			0dBm
	attenuation			10dB–0dB
	Stepping			0.5dB
	test output			-30 dB
	return loss			>15dB
	stability			±0.1dB/10℃
	I/Q phase balance error			< 0.05%
	I/Q phase error			< 0.05°
	MER			>38dB
	shoulder frequency			>50dB @ ± 4.2MHz
	noise			>50dB
	connector			N-type,resistance as 75Ω
MIP process	synchronization information,remote setting for modulation parameters
TPS option	support all the modes of GB20600-2006
	network mode
	SFN mode:time offset setting,time synchronization,bit rate synchronization,frequency synchronization
	MFN mode		bitrate adaption, NIT update,PCR adjustment
	number of modulation carrier(FFT)		3780
	guard interval		1/4(945),1/7(595),1/9(420)
	FEC outer		BCH
	FEC inner		LDPC
	encode mode		0.4,0.6,0.8
	modulation mode		4QAM-NR ,4QAM,16QAM,32QAM,64QAM
	bandwidht		8MHz
Clock Synchronization	outer clock with 10MHz (GPS)		Input level: -15dBm~ +15dBm
			Input connector: BNC socket,resistance as 75Ω
	inner clock with 10MHz		stability: 0.5ppm(classic); 3.0 ppm(maximum)
			level: 0dBm ± 3dBm
	outer 1pps clock(GPS)		Input reference level: TTL level –5 KΩ
			Input reference minimum pulse width: 1μs
			Input connector: BNC socket, resistance as 75Ω