Economy Fixed Adjacent channel Modulator

1.intermediate frenquency,high functional index. 2,processed with 1 saw filters. 3.Pll technique into the audio and RF 1. Intermediate frequency, high functional index.2. Be processed with 1 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 displays channel number.6. Output adopts screw filters.7. Output level adjustment and A/V adjustment on front panel.8. With high security and high temperature stability.9. High capability and competitive price.10. Luxurious 19” standard housing.11. We can make different channels according to the customer request

reflection	output frequency range	45-870MHz
	frequency accuracy	± 5KHz
	output level	113dBmV(<550MHz)110dBmV(³550MHz)
	out of band suppression	≥60dB
	side-band suppression	≥60dB
	output impedance	75 Ω
	video to audio carrier ratio	-10dB ~ -20dB
videofrequency	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 ( no emphasis )
	C/L delay	40nsec
	frequency response	± 1dB( 25Hz ~ 5.8MHz)
	differential gain	± 4% ( modulation 87.5 )
	differential phase	± 4 °
audiofrequency	input level	-10 ~ 10 dBm
	input impedance	10KΩ min
	frequency response	± 1dB max(40Hz ~ 15KHz)
	distortion	0.5 %
	signal to noise ratio	-60dB
	audio picture interval	according to the style
power supply	voltage	110V or 220V

Economy Fixed Adjacent channel Modulator