Specifications

JM-618 Luxurious Fixed Single Channel Modulator with 3 saw Filters; catv tools;catv saw filter modulator;tv transmitter

JM-618 Factory Price Single Channel Adjacent Modulator

 

JM-618 Luxurious Fixed Single Channel Modulator with 3 saw Filters; adjacent channel modulator;catv saw filter modulator;catv tools;tv transmitter

Features  

1. Intermediate frequency, high functional index.

2. Be processed with 3 SAW filters.

3. PLL technique is applied to audio and RF local

oscillator,high frequency stability and high accuracy.
4. MMIC circuits are on key parts and SMT technology is

applied to the overall unit.
5. Digital display channel number.
6. Output adopts screw filters.
7. Intermediate frequency input and output ports.
8. With high security and high temperature stability.
9. Output level adjustment and A/V adjustment on front panel.

10. Luxurious housing.

 

 Specifications 

Reflection	Output Frequency Range	45-870MHz
	Frequency Accuracy	± 5KHz
	Output Level	113 dBmV
	Out of Band Suppression	≥ 60dB
	Side-band Suppression	≥ 65dB
	Output Impedance	75 Ω
	Video to Audio Carrier Ratio	-10dB ~ 10dB
Video Frequency	Input Level	0.6 ~ 1.5Vp-p
	Input Impedance	75 Ω
	Input Reflection	30dB min
	K coefficient	4 % max ( 2T pulse )
	Video s/n	50dB
	C/L Delay	40nsec
	Frequency Response	± 1dB( 25Hz ~ 5.8MHz)
	Differential Gain	± 4 % ( modulation 87.5 )
	Differential Phase	± 4 °
Audio Frequency	Input Level	-10 ~ 10 dBm
	Input Impedance	10KΩ min
	Frequency Response	± 1dBmax(40Hz ~ 15KHz)
	Distortion	0.5 %
	Signal to Noise Ratio	-60dB
	Audio Picture Interval	According to the style
Power Supply supply	Voltage	AC 100-250V