Olson Technology OTM-3550 - Manual (Page 2)

025-000136 REV J Page 2
OTM-3550
SPECIFICATIONS
Output Frequency Range.............................. Selectable in 1MHz increments.
55.25MHz, Ch. 2 to 547.25MHz, Ch. 78 (PPP)
Output Level.................................................+55dBmV min., 55.25 - 547.25MHz
Frequency Accuracy/Stability........................ <±5KHz of selected channel frequency
Out-of-Band C/N Ratio.................................>77dB as measured in a 4.0MHz noise bandwidth.
Spurious Output............................................60dB down @ 55dBmV output, 54.00 to 552.00MHz
I.F. Output Frequency................................... Video 45.75MHz, audio 41.25MHz
Video IF Level.............................................. +40dBmV
Video Carrier Level.......................................Adjustable downward by 10dB minimum.
Video Performance....................................... Measured @ 80% modulation. Differential gain <6%.
Differential phase <3°. Video input 1 volt p-p (75
Ω
). 170 nSec
predistortion, ± 40nSec.
Audio Intercarrier Stability............................ <±1KHz
Audio Deviation............................................ 25KHz - 75
Ω
sec pre-emphasis. Minimum 500mV p-p input.
Audio/Video Ratio........................................ Adjustable from 12dB to 20dB below video carrier.
Front Panel Controls..................................... Channel/F.C.C. offset, video/audio modulation,
R.F. level and A/V ratio.
Front Panel Indicators................................... LED’s for video/audio overmodulation.
Rear Panel Connectors.................................... 75
Ω
type F: Video input, RF output, -20dB test point and
video/audio IF loops. Terminal strip: 600
Ω
balanced audio
input. 3-wire power cord/USA plug.
Power Consumption......................................115 VAC @ 60Hz - 15 watts.
Fuse.............................................................. 0.5 amp Slo-blo
Size...............................................................1.75" H x 19" W x 8" D.