Our Applications & Solutions

Frequency Agile Analog RF Modulator

Part Number:



The A4000 Agile CATV Modulator offers performance, flexibility and reliability to meet the most demanding requirements. It accepts video and audio baseband inputs and provides a modulated visual and aural carrier on any NTSC or PAL channel in the 45 to 853 MHz range.


  • Versions available for NTSC, PAL B, G, I, D, K, M, N, L formats
  • RF output level of +53 dBmV over 55 to 853 MHz
  • Front panel Microprocessor controlled. LED display
  • Fully quartz synthesized visual and aural carriers
  • SAW filtering ensures broadcast quality RF performance
  • Carrier to noise does not degrade with decreased RF level adjustment
  • Frequency offsets automatically selected for FCC requirements
  • Ultra low noise performance -72/-92 dBc (see specifications)
  • 80 channel system noise performance > 55 dBc/4 MHz
  • High reliability, state of the art design using MMIC, microstrip and SMD technology
  • Low cost
  • Durable design

Product Files

Our Solutions

System Solutions

To grow your business – and your revenue – operators want the Knowledge, Assets and impartial technical guidance only a true Partner can deliver! From HFC and DOCSIS to x-PHYTM; from FTTx – GPON and RFoG to IPTV; from Linear Video to Multi-Screen; MHz best-in-class Technologies and Client Services will meet your goals while exceeding your expectations…

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Client Services

Too much on your plate?
Not enough hours in your day?

The next time you need, Linear Video or Multi-Screen, MPEG, DOCSIS or x-PHYTM, IP or RF resources to support the operation of Multi-Vendor, Multi-Technology products deployed in your HFC or FTTx network, MHz can help!

Choose from a customized package of remote “Fractional Engineering” hours you can use over an extended period of time; or our on-site Integration and Activation Services.

Both can offset your temporary work-load.

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