Inday HDDA-2 Manual

Inday Modtager HDDA-2

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Side 1/2
HDDA-2
2-Output
Component Video
Distribution
Amplifier
Multimedia Accessories
WWW.INDAY.COM
Overview And Uses
The HDDA-1 is a very wideband analog Distribu-
tion Amplifier (DA) capable of buffering and split-
ting any nominal 1 to 2 Volt (peak to peak) signal
that terminates into 75 ohms. This includes any of
the following.
- HDTV Analog RGB/YPbPr signals.
- Standard Def. Analog RGB/YPbPr/Betacam
- Component DVD, Progressive or Interlaced.
- Composite Video (NTSC)
- SPDIF Digital Audio (PCM/AC3/DTS)
Each output has its own dedicated high current
Video amplifier/driver which is capable of sending
any video signal very long distances without degra-
dation.
Figure 1 - Connectors
The HDDA-2 can be configured in a number of
ways. Here are the most common.
♦ A 1-In to 2-Out HDTV Receiver or Progressive
Scan DVD Splitter. Figure 2
♦ Three separate 1-In to 2-Out DA’s.
♦ Home Theater. One input distributes the Com-
posite (NTSC) video to the Displays and another
input distributes the Digital Audio to the Audio
equipment. Figure 3
The unit is supplied with the proper DC Power Sup-
ply (center pin positive +).
Configurations
Figure 2 - Component Video Distribution
INPUT:
3 Gold Plated RCA
Each 75 Ohm Terminated
Color Coded: Red, Green, Blue
Nominal Signal should be 1 Vp-p.
Maximum of 4 Vp-p.
OUTPU
T:
6 Gold Plated RCA
Color Coded: 4 Red, 4 Green, 4 Blue
Impedance 75 ohms
Noise > 60dB below 1Vp-p
Freq. Response DC-200 Mhz +/-3dB
POWER:
8-18VDC (18VDC Max) @ 150ma Max.
Wall Transformer supplied
DIMENSION:
4"W x 6"L x 2"H
TEMPERATURE
0 TO 50 DEGREES C
HUMIDITY
0 TO 90% (non-condensing)
Disclaimer
This manual has been checked for accuracy. Inday
assumes no liability for damages incurred directly
or indirectly from errors or omissions or from the
use and suitability of this product for a particular
application.
Revision : 2
Specifications
Q: Why No Looping Inputs.
A: Looping inputs are ones that bridge off an unter-
minated input and send it to another input. This
lets you daisy chain the inputs and terminate only
at the last input. This works fine for Low Fre-
quency video like NTSC (composite) at 5MHz,
but not for High Frequency HDTV where fre-
quencies can reach over 37 MHz. The input must
be terminated to prevent reflections on the cable
and maintain bandwidth.
Q: Can I split Analog Audio with this DA.
A: Yes, but the level (Volume) can drop from 2dB to
30dB due to the low input impedance (75 ohms).
Some audio equipment with low enough output
impedance can feed this DA with acceptable re-
sults, but most will have a high impedance that
will cause unacceptable signal loss.
Q: Can I split Digital Audio (SPDIF).
A: Yes. SPDIF is just AES/EBU digital audio that is
designed to run over Coax cable just like video.
Q: How long can my video cable be?
A
:
The amplifiers on the outputs can drive good
video cables more then 100 meters (328ft). The
best advice is to keep the cables to the input at a
reasonable length, less then 5 meters (16ft) and
then connect as required on the output.
Q: What bandwidth is required for HDTV?
A: Most HDTV has a bandwidth of 37MHz. You
want all your switching and distribution points to
be able to handle at least double that frequency.
The key to remember is the 3dB spec. This repre-
sents the frequency at which the original signal is
at 70%, or a 30% loss.
Questions
Figure 3 - Home Theater with Video and
Digital Audio
Inday www.inday.com
503-575-1951
1818 NE 140th Portland, OR 97230

Produkt Specifikationer

Mærke: Inday
Kategori: Modtager
Model: HDDA-2

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