RF Communications 2000 Manual 

2, Page 1 Revised June 1999 MODEL 2000 FIXED CHANNEL CABLE MODULATOR AND MODEL 2000 I.F. MODULATOR EXCITER OUR MODEL 2000 FIXED CHANNEL MODULATOR HAS BEEN DESIGNED AS A WORKHORSE FOR DEMANDING APPLICATIONS WHERE A HIGH QUALITY, STABLE, AND RELIABLE LOW NOISE FIXED CHANNEL MODULATOR IS REQU…

8, MODEL 2000 TELEVISION MODULATOR Page 7 Revised June 1999 this control to reduce level. This will maintain optimum signal-to-noise ratios. Accurate adjustment requires a spectrum analyzer or calibrated tunable signal strength meter. T.P. 20DB : Test point used to monitor the compos…

7, MODEL 2000 TELEVISION MODULATOR Page 6 Revised June 1999 NOTE: All connectors are standard “F”, and mating connectors should be lightly wrench tightened and properly crimped to the cable. CONTROLS: All operating controls and indicators are present on the front panel except for the audio se…

4, RF Communications 2000 Page 3 Revised June 1999 MODEL 2000 TELEVISION MODULATOR INTRODUCTION : The Model 2000 Television Modulator is designed for use in broadcast and other applications where high quality stable signals are required. This unit, in the NTSC format, exceeds all Part 74 and 76 requirements for broadcast ex…

3, Page 2 Revised June 1999 MODEL 2000 FIXED CHANNEL MODULATOR SPECIFICATIONS: (NORTH AMERICAN NTSC) 1) MAXIMUM OUTPUT LEVEL +60dBmV 2) SPURIOUS OUTPUTS 5-750MHz: Less than 60dBc 3) DIFFERENTIAL PHASE Less than 2 degrees 4) DIFFERENTIAL GAIN Less than 3% 5) VIDEO SIGNAL-TO-NOISE RATIO B…