Fixed Channel Modulator: Features 1. High frequency. 2. Be processed with 2 saw filters. 3. PLL technique is applied to audio and RF local oscillatorï¼�high frequency stability and high accuracy. 4. MMIC circuits are on key parts and SWT technique is applied to the overall unit. 5. Digital display channel. 6. Output adopts screw filters. 7. 2U Standard housing. 8. With high security and high temperature stability. 9. Output level adjustment and A/V adjustment are designed ahead. *0. 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 *5dB output impedance *5 Î video to audio carrier ratio **0dB ~ **0dB lever 0.6 ~ 1.5Vp-p impedance *5 Ω reflection *0dB min K coefficient 4 % max ï¼� 2T pulse ï¼� video s/n *0dB C/L delay *5nsec frequency response � 1dB differential gain � 4 % ï¼ modulation *7.5 ï¼ differential phase � 4 � ï¼ modulation *7.5 ï¼ level **0 ~ *0 dBm impedance *0KΩ min frequency response � 1dB distortion 0.5 % signal to noise radio **0dB audio picture interval according to the style voltage DC*2V/**0mA