Ordinary Fixed Channel Modulator

详情

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 SWT technology is applied to the overall unit. 5. Output adopts screw filters. 6. With high security and high temperature stability. 7. Output level adjustment and A/V adjustment are designed ahead. 8. Standard housing. 9. We can make different channels according to the customer requests. Specifications output frequency range *****0MHz any frequency frequency accuracy � 5KHz output level **5dB V out of band suppression � *0dB side-band suppression �*0dB output impedance *5 Ω video to audio carrier ratio **0dB ~ **0dB level 0.6 ~ 1.5Vp-p impedance *5 Ω reflection *0dB min K coefficient 4 % max � 2T pulse � video s/n *0dB( no emphasis ) C/L delay *0nsec frequency response � 1dB differential gain � 4 % � modulation *7.5 � differential phase � 4 � � modulation *7.5 � level **0 ~ *0 dBm impedance *0KΩ min frequency response � 1dB distortion 1 % signal to noise radio **0dB audio picture interval according to the style voltage **0V � *0 % A C