Atec Videotek-DM-141A,DM-145,DM-145GCR,DM-154,DM-192 - Manual (Page 4)

®
DM-141A/145/145GCR/154/192
C
OMMON
S
PECIFICATIONS
TUNER
TUNING RANGE:
55.25 to 801.25 MHz
CONNECTOR:
75 Ω F connector, female
INPUT RANGE:
– 15 to +15 dBmV
MAXIMUM RF INPUT LEVEL:
+30 dBmV
CROSS MODULATION:
< – 50 dB nominal
FINE TUNING RANGE:
± 2 MHz in 64 steps (62.5 kHz per step)
FREQUENCY STABILITY:
± 15 kHz typical
CHANNEL COVERAGE:
VHF Channels 2-13
UHF Channels 14-69
Cable Channels 2-99
BAND COVERAGE:
Low, Mid, High, Super, UHF
DETECTOR: Synchronous
VIDEO
VIDEO OUTPUTS:
2 NTSC video outputs, sync negative
75
Ω source terminated
CONNECTORS: 75 Ω BNC, female
LEVEL:
1V p-p, typical into 75 Ω load
ADJUSTMENT RANGE:
± 3 dB typical (front panel control)
CHROMA/LUMA DELAY:
Within 30 ns typical (ref -170)
AUDIO
AUDIO LINE OUTPUTS:
Balanced stereo (left and right)
CONNECTORS: XLR (male)
LEVEL: 0 dBm, typical across 600
Ω
ADJUSTMENT RANGE:
– 16 dBm to +4 dBm
FREQUENCY RESPONSE:
50 Hz to 12 kHz (stereo mode)
SIGNAL TO NOISE RATIO:
50 dB at 0 dBm
STEREO SEPARATION:
>20 dB @ 1 kHz
DISTORTION:
2% maximum, 1 kHz to 12 kHz
AUDIO SPEAKER:
Internal 1” speaker, front panel level control
POWER
INPUT:
90 - 264 VAC,
50/60 Hz
CONSUMPTION:
35 VA, typical
CONNECTION:
Detachable 3 wire power cord,
per IEC 320
ENVIRONMENTAL
OPERATING TEMPERATURE:
0° to 50°C
STORAGE TEMPERATURE:
– 4 0° to 75°C
HUMIDITY:
90% maximum (non-condensing)
MECHANICAL
DIMENSIONS:
Height: 1.75” (4.5cm)
Width: 19” (48.3cm)
Depth: 10.75” (27.3cm)
WEIGHT:
9.25 lbs. (4.2kg)
STANDARD
ACCESSORIES
Operation & Service Manual
Power Cord
Rackmount Kit
DEMODS &
MONIT
ORING
MegaHZ 800-883-8839 fax: 817-529-0745 Visit us on the Worldwide Web: www.megahz.com Ô [email protected]
Specifications subject to change without notice.
DM-141A/145/145GCR/154/192
U NIQUE S PECIFICATIONS
DM-141A/145
VIDEO
DIFFERENTIAL GAIN: <5%
DIFFERENTIAL PHASE: <5°
SIGNAL TO NOISE RATIO:
>49 dB at 0 dBmV
>55 dB at 10 dBmV
FREQUENCY RESPONSE:
0.5 MHz to 3.6 MHz ± 1 dB
DM-145
ALL SPECIFICATIONS COMMON WITH
DM-141A PLUS
AUDIO LINE OUTPUTS:
Balanced stereo (left and right)
SAP Output
DM-145GCR
ALL SPECIFICATIONS COMMON WITH
DM-145 PLUS
VIDEO OUTPUTS:
2 NTSC video outputs, 1 GCR corrected
GCR VIDEO OUTPUT
FREQUENCY RESPONSE:
± 1 dB to 3.6 MHz added
DIFFERENTIAL PHASE: <2°added
DIFFERENTIAL GAIN: <3% added
SIGNAL TO NOISE RATIO: <3 dB added
ADJUSTMENT RANGE:
None (auto corrected with GCR signal)
D.C. OFSET:
< 50 mV with active GCR signal correction
< 150 mV without GCR signal correction
GHOST CANCELLATION OUTPUT:
Ghost Reduction: 35 dB, typical
Operating Range:
Leading Ghost to +3 µsec
Trailing Ghost to -42 µsec
DM-154
ALL SPECIFICATIONS COMMON WITH
DM-141A PLUS
TUNER
IF LOOP:
+20 dBmV typical, internally enabled
CONNECTORS:
75 Ω F, female
VIDEO
DIFFERENTIAL GAIN:
<4%
DIFFERENTIAL PHASE:
<4°
BANDWIDTH:
0.5 MHz to 4.0 MHz ±1 dB (Trap out)
SIGNAL TO NOISE RATIO:
>50 dB at 0 dBmV
>55 dB at 10 dBmV
ZERO CARRIER OUTPUT:
User selection ON/OFF; Location of
Zero Carrier Pulse selectable from line
10 through line 25 via front panel
QUADRATURE OUTPUT:
within 7°
CONNECTOR: 75 Ω BNC, female
AUDIO
4.5 MHz AURAL OUTPUT:
+10 dBmV or +34 ± 2dBmV selectable
CONNECTOR:
75 Ω F, female
COMPOSITE AUDIO OUTPUT:
110 kHz bandwidth, 0.5V p-p
CONNECTOR:
75 Ω BNC connector, female
REMOTE CONTROL
• RS-232 connector: (Type DB 9, Female)
• Cable or Antenna selection
• Channel selection select/scan up or down
• Audio mode selection
• Speaker volume control
• Zero Carrier enable and line location
• Fine tuning
• 4.5 MHz trap enable/disable
• All commands return status of
controlled feature
DM-192
ALL SPECIFICATIONS COMMON WITH
DM-154 PLUS
TUNER
CHANNEL COVERAGE:
VHF Channels 2-13
UHF Channels 14-69
Cable Channels 2-125
DETECTOR:
Synchronous or Envelope detection
Front panel selectable
SIGNAL STRENGTH METER:
Front panel indication of input RF level
AUDIO
AUDIO LINE OUTPUTS:
Balanced Stereo Left and Right
SAP, PRO channel
ADJUSTMENT RANGE: – 16 to +8 dBm
CONNECTORS: XLR (male)
4.5 MHz AURAL OUTPUT: +10 dBmV
CONNECTOR:
75 Ω F connector, female
COMPOSITE AUDIO OUTPUT:
110 kHz bandwidth, 1V p-p
CONNECTOR: 75 Ω BNC, female