CATV Modulator: Economic Agile Modulator

Place of Origin:	Guangdong

Location:	Shenzhen, Guangdong, China (Mainland)
Business Type:	Manufacturer, Distributor/Wholesaler

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Specifications
Reflection	Output Frequency Range	45MHz-870MHz variable
	Frequency Accuracy	± 5kHz
	Output Level	≥110 dBmV
	Out of Band Suppression	≥60dBc
	Output Impedance	75 Ω
	Video to Audio Carrier Ratio	-10dB~-20dB
Video Frequency	Input Level	0.6 ~ 1.5Vp-p
	Input Impedance	75Ω
	Input Reflection	30dB min
	K Coefficient	4 % max ( 2T pulse )
	Video S/N	50dB
	C/L Delay	40nsec
	Frequency Response	± 1dB
	Differential Gain	± 4 % ( modulator 87.5 % )
	Differential Phase	±4° ( modulator87.5 % )
Audio Frequency	Input Level	-10 ~ 10 dBm
	Input Impedance	10KΩ min.
	Frequency Response	± 1dB
	Distortion	1 %
	Signal to Noise Ratio	-60dB
	Audio Image Interval	According to the TV system standard
Power Supply	Voltage	110 ~ 245V
Features
1. Intermediate frequency, twice conversion frequency and with saw filter, low side-band interfere; 2. MCU technique is applied to audio intermediate frequency, video high frequency process and RF local oscillator, with high frequency stability and accuracy; 3. Integrated circuit is applied to outputs, and each functional circuit of the overall unit adopts SMT technology, with high stability; 4. LED displays frequency, use up and down button to select channel and frequency; 5. Convenient control, frequency level adjustment was designed on the front panel; 6. High efficiency SMPS; 7. We can offer PAL or NTSC system standard upon customer's requests.