The PM 5690 TV Multichannel Converter is a highly stable RF converter with calibrated output level. It converts a complete IF TV signal, between 36 MHz and 46 MHz, to any channel between 8 MHz and 950 MHz. The PM 5690 works with the PM 5670 and the PM 5680 IF modulators in an integrated measuring system. Features IF to RF signal conversion. Adjusts to any IF input frequency. Pre-programmed for 8 TV systems. User can pre-program & store two additional channel systems. Covers all known TV frequencies from 8 MHz to 950 MHz. Variable output level. RF output level adjustable from 0.01 to 500 mV. Low spurious noise & distortion