Otm-4000-i specifications rf, Video, Audio – Olson Technology OTM-4000 (PAL I) User Manual
Page 3: Dual i.f. loops, Auxiliary i.f. input, External features, General characteristics, Remote control option
025-000336 REV X2
Page 3
OTM-4000-I SPECIFICATIONS
RF
Output Frequency Range.....
RF Output Level....................
Frequency Accuracy.............
Spurious Output....................
Out-of-Band C/N Ratio.........
Phase Noise............................
Audio/Video Ratio.................
48.25MHz to 751.25MHz, selectable
by frequency in 12.5KHz incre-
ments, displayed and controlled by
front panel menu screen or by the
remote control option.
+60dBmV @ 75 OHMS. On/Off
control by front panel menu screen
or by the remote control option.
±
5KHz
>60dB below video carrier level.
>80dB
>78dBc/Hz @ 10kHz offset
-12dB to –21dB below video carrier
level by front panel adjustment
Video
Video Baseband Input
Level Range.....................
Video Performance.................
Video AGC..............................
. 5 to 1.5 Volts P-P (75 Ohms)
1V P-P Measured @ 87.5%
modulation
Differential gain <3%
Differential Phase <2°
Frequency response
±
1dB, 30Hz to
4.8MHz
On/Off control by front panel menu
screen or by remote control option
Audio
Audio Baseband
Input Level Range.............
Audio
Intercarrier Stability............
Audio Performance...............
Frequency Response............
Pre-emphasis..........................
Audio Sub-Carrier Input.......
-10 to +10dBm, 600 Ohm balanced,
Hi Z unbalanced
±
1KHz
1% maximum THD (.2% typical)
50Hz to 15KHz,
±
1dB
50
µs
, defeated by internal jumper.
+25dBmV to +45dBmV input level @
75 Ohm
Dual I.F. Loops
Video I.F. ................................
Audio I.F. ...............................
Visual carrier +38dBmV @ 38.9MHz
32.9MHz carrier adjustable, -12 to
-21dB relative to video carrier from
front panel A/V ratio adjustment
AUXiliary I.F. Input
Input Level....................................
4 Modes of Control......................
+38dBmV
±
5dB
Loss of video to modulator, rear
panel contact closure screws
for EAS compatibility, front
panel menu control, or by
remote control option.
External Features
Front Panel Adjustments............
Front Panel LED’s........................
Rear Panel Connectors................
Video and audio modulation
levels. Audio to video carrier
ratio. RF output level. Front
panel LCD contrast control.
Push button LCD menu controls
include Up/Down Left, Right
and enter for menu selections.
RF on, AUX I.F. in use, remote
control in use, Video Carrier
unlocked, Video and audio
overmodulation.
Type “F” RF test point, RF
output, Aux i.f. input, video
input, Video and Audio i.f.
inputs and outputs and audio
subcarrier. Screw terminals for
contact closure and audio
baseband.
General Characteristics
Power Supply................................
Physical Size.................................
Weight ..........................................
Power Consumption....................
Operating Temperature................
Universal 90VAC to 240 VAC,
50 to 60Hz with IEC 320 power
connector.
1.75in. H x 19in. W x 10in. D
9 lbs.
24 watts
0° C to 50° C
Remote Control Option
Control........................
Features......................
Controlled by serial RS-232 or RS-422 or
RS-485 daisy-chain interface method.
Frequency selection in 12.5KHz steps.
RF Carrier ON/OFF
Video AGC ON/OFF
I.F. input, INT./EXT.
AUX Transfer, OFF/AUTO
Command Mode, LOCAL/REMOTE
Tuning Mode, FREQ/CHAN.
Channel Plan, STD, HRC, IRC, EIA.
Unit Name Text
Audio Sub-carrier, INT./EXT.
Baud Rate, 300 to 38,400
Address Change