Atec Videotek-DM-141A,DM-145,DM-145GCR,DM-154,DM-192 User Manual
Requency, Gile, Emodulators
DM-141A, DM-145, DM-145GCR, DM-154, DM-192
F
REQUENCY
A
GILE
D
EMODULATORS
MegaHZ
800-883-8839 fax: 817-529-0745 Visit us on the Worldwide Web: www.megahz.com • [email protected]
For more than two decades, the Videotek family of demodulators has provided the highest
performance at the best value in the industry. By offering the greatest selection of
demodulators, with the widest range of features, Videotek has become the largest supplier of
agile demodulators in North America. All models provide video and BTSC stereo signal
demodulation for Broadcast, CATV and closed circuit monitoring applications. From basic
receiving and monitoring applications to full FCC proof of performance testing, Videotek
offers an agile demodulator that will fit your needs and your budget.
DM-192
D
EMODULATOR
S
ERIES
F
EATURES
• Multi-band tuning (VHF/UHF/Cable)
• HRC/IRC tuning capability
• Random access, search or up/down
channel selection
• Front panel Cable/Antenna selection
• Frequency synthesized channel selection
• Front panel audio presence indicators
• Synchronous detection
• Envelope and synchronous detection on
DM-192
• Up to 4 MHz bandwidth for FCC testing
• Audio output configurations for every
requirement
• Front panel LED channel display
• Controls for video gain, audio gain and
balance on front panel
• Front panel memory retained for one week
in event of power loss
• All models receive and process PAL -M
• Standards available: NTSC and PAL-M
NTSC D
EMODULATOR
S
ELECTION
C
HART
Model
Cable Chan:
Remote
Video
Video
Audio
QUAD
4.5MHz/
IF
Zero
Detection
Diff
Diff
Size
(All tune
Out
SNR
Out
Out
Comp
Loop
Carr
Gain
Phase
VHF/UHF)
Pulse
____________________________________________________________________________________________________________________________________
DM-200
1-134
RS-232/422
2
≥
58dB
Stereo/
Y
Y
Y
Y
Synchronous
≤
1.0%
≤
1.0˚
1
/2 x
SAP
1 RU
DM-200A
1-134
RS-232/422
2
≥
58dB
Stereo/
N
Y
Y
Y
Synchronous
≤
1.0%
≤
1.0˚
1
/2 x
SAP
1 RU
DM-192
2-125
RS-232/422
2
>55dB
Stereo/
Y
Y
Y
Y
Synchronous
≤
4.0%
≤
4.0˚
1 RU
SAP/
/Envelope
PRO
DM-154
2-99
RS-232
2
>55dB
Stereo/
Y
Y
Y
Y
Synchronous
≤
4.0%
≤
4.0˚
1 RU
SAP
DM-145GCR
2-99
N
2*
>49 dB
Stereo/
N
N
N
N
Synchronous
≤
5.0%
≤
5.0˚
1 RU
SAP
DM-145
2-99
N
2
>49dB
Stereo/
N
N
N
N
Synchronous
≤
5.0%
≤
5.0˚
1 RU
SAP
DM-141A
2-99
N
2
>49dB
Stereo
N
N
N
N
Synchronous
≤
5.0%
≤
5.0˚
1 RU
DM-100
2-99
N
1
—
Stereo
N
N
N
N
Synchronous
—
—
1
/3 x
1 RU
* Only 1 video output is corrected with GCR signal