USER MANUAL
Models:
CDA-SV20,
CDA-V20,
1:2 s-Video DA
1:2 Video DA
For maximum results, use Comprehensive
Brand Premium High Resolution cables
and connectors.
Contents
1
Introduction 1
2
Getting Started 1
3
Overview 1
4
Your CDA-SV20 and CDA-V20 1
4.1 Your CDA-SV20 1:2 s-Video DA 2
4.2 Your CDA-V20 1:2 Video DA 3
5
Connecting the CDA-SV20 and CDA-V20 4
5.1 Connecting the CDA-SV20 1:2 s-Video DA 4
5.2 Connecting the CDA-V20 1:2 Video DA 5
6
Technical Specifications 6
Figures
Figure 1: CDA-SV20 1:2 s-Video DA 2
Figure 2: CDA-V20 1:2 Video DA 3
Figure 3: Connecting the CDA-SV20 1:2 s-Video DA 4
Figure 4: Connecting the CDA-V20 1:2 Video DA 5
Tables
Table 1: Features and Functions of the CDA-SV20 1:2 s-Video DA 2
Table 2: Features and Functions of the CDA-V20 1:2 Video DA 3
Table 3: Technical Specifications of the CDA-SV20 / CDA-V20 6
i
1 Introduction
Congratulations on purchasing your CDA-SV20 1:2 s-Video DA and/or
CDA-V20 1:2 Video DA. These products are ideal for:
Video duplication studios
Rental/staging, CCTV, and home theater use
The package includes the following items:
CDA-SV20 1:2 s-Video DA or CDA-V20 1:2 Video DA
Power adapter (12V DC input) and this user manual
2 Getting Started
We recommend that you:
Unpack the equipment carefully and save the original box and packaging
materials for possible future shipment
Review the contents of this user manual
3 Overview
The CDA-SV20 and CDA-V20 are micro-sized high performance 1:2
distribution amplifiers, as sections 4.1 and 4.2 describe, respectively.
To achieve the best performance:
Connect only good quality connection cables, thus avoiding interference,
deterioration in signal quality due to poor matching, and elevated noise-levels
(often associated with low quality cables)
Avoid interference from neighboring electrical appliances and position
your machine away from moisture, excessive sunlight and dust
Caution – No operator-serviceable parts inside unit.
Warning – Use only the input power wall adapter that is
provided with this unit.
Warning – Disconnect power and unplug unit from wall
before installing or removing device or servicing unit.
4 Your CDA-SV20 and CDA-V20
This section describes the:
CDA-SV20 1:2 s-Video DA, see section 4.1
CDA-V20 1:2 Video DA, see section 4.2
1
4.1 Your CDA-SV20 1:2 s-Video DA
The CDA-SV20 1:2 s-Video DA is a micro-sized high performance 1:2
distribution amplifier for s-Video (Y/C) signals. The CDA-SV20:
Accepts a single input and distributes it to two identical outputs using 4
pin connectors
Has a bandwidth of 150MHz, ensuring that it remains transparent even in
the most critical applications
Has separate chrominance and luminance gain controls
Figure 1 and Table 1 define the CDA-SV20 1:2 s-Video DA:
Figure 1: CDA-SV20 1:2 s-Video DA
Table 1: Features and Functions of the CDA-SV20 1:2 s-Video DA
# Feature Function
1 OUT 2 4p Connector Connects to s-Video acceptor 2
2 OUT 1 4p Connector Connects to s-Video acceptor 1
3 INPUT 4p Connector Connects to the s-Video source
4 C GAIN Trimmer Adjusts1 the chroma (chrominance) output level
5 Y GAIN Trimmer Adjusts1 the luma (luminance) output level
6 ON LED Illuminates when receiving power
7 12V DC +12V DC connector for powering the unit
1 Insert a screwdriver into the hole and carefully rotate it, to trim the level
2
4.2 Your CDA-V20 1:2 Video DA
The CDA-V20 1:2 Video DA is a micro-sized high performance 1:2
distribution amplifier for composite video signals. The CDA-V20:
Accepts a single input and distributes it to 2 identical outputs using BNC
connectors
Has a bandwidth of 470MHz, ensuring that it remains transparent even in
the most critical applications
Has gain and equalization (EQ.) controls to compensate for cable losses
Figure 2 and Table 2 define the CDA-V20 1:2 Video DA:
Figure 2: CDA-V20 1:2 Video DA
Table 2: Features and Functions of the CDA-V20 1:2 Video DA
# Feature Function
1 OUT 1 BNC Connector Connects to composite video acceptor 1
2 INPUT BNC Connector Connects to the composite video source
3 OUT 2 BNC Connector Connects to the composite video acceptor 2
4 GAIN Trimmer Adjusts1 the video signal level for outputs 1 and 2
5 EQ. Trimmer Adjusts1 the cable compensation equalization level
6 ON LED Illuminates when receiving power
7 12V DC +12V DC connector for powering the unit
1 Insert a screwdriver into the hole and carefully rotate it, to trim the level
3
5 Connecting the CDA-SV20 and CDA-V20
This section describes how to connect the:
CDA-SV20 1:2 s-Video DA, see section 5.1
CDA-V20 1:2 Video DA, see section 5.2
5.1 Connecting the CDA-SV20 1:2 s-Video DA
To connect the CDA-SV20 1:2 s-Video DA, as the example in Figure 3
illustrates, connect the following1:
1. Connect an s-Video source (for example, an s-Video player) to the
INPUT 4p connector.
2. Connect the 2 OUT 4p connectors to up to 2 acceptors, as follows:
The OUT 1 connector to acceptor 1 (for example, an s-Video recorder 1)
The OUT 2 connector to acceptor 2 (for example, an s-Video recorder 2)
3. Connect the 12V DC power adapter to the power socket and connect the
adapter to the mains electricity.
4. Adjust the C and Y Gain levels, if required.
Figure 3: Connecting the CDA-SV20 1:2 s-Video DA
1 Switch OFF the power on each device before connecting it to your CDA-SV20. After connecting your CDA-SV20, switch
on its power and then switch on the power on each device
4
5.2 Connecting the CDA-V20 1:2 Video DA
To connect the CDA-V20 1:2 Video DA, as the example in Figure 4
illustrates, connect the following1:
1. Connect a composite video source (for example, a VCR) to the INPUT
BNC connector.
2. Connect the 2 OUT BNC connectors to up to 2 composite video
acceptors, as follows:
Connect the OUT 1 connector to video acceptor 1 (for example, a projector)
Connect the OUT 2 connector to video acceptor 2 (for example, a monitor)
3. Connect the 12V DC power adapter to the power socket and connect the
adapter to the mains electricity.
4. Adjust the output signal level and/or cable compensation equalization
level, if required.
Figure 4: Connecting the CDA-V20 1:2 Video DA
1 Switch OFF the power on each device before connecting it to your CDA-V20. After conne cting your CDA-V20, switch on
its power and then switch on the power on each device
5
6 Technical Specifications
Table 3: Technical Specifications1 of the CDA-SV20 / CDA-V20
CDA-SV20 CDA-V20
INPUTS:
OUTPUTS:
MAX. OUTPUT LEVEL: 2 Vpp 2 Vpp
BANDWIDTH (-3dB): 150MHz 470MHz
DIFF. GAIN: < 0.03% 0.05%
DIFF. PHASE: 0.03 Deg. 0.05 Deg.
K-FACTOR: <0.05% <0.05%
S/N RATIO: 78dB 76dB
CONTROLS: Gain: -1.9dB to +4.9dB
COUPLING: AC
POWER SOURCE: 12VDC, 30mA
DIMENSIONS: 6 cm x 6.5 cm x 2.5 cm (2.36" x 2.56" x 1") W , D, H
WEIGHT: 0.14 kg (0.31 lbs.) approx.
ACCESSORIES: Power supply, mounting bracket
1 s-Video, 1Vpp /75(Y), 0.3Vpp /75
(C), on a 4p connector
2 s-Video, 1Vpp /75(Y), 0.3Vpp /75
(C), on 4p connectors
(Y and C)
1 Video, 1Vpp /75 on a BNC
connector
2 Video, 1Vpp /75 on BNC
connectors
Gain: -1.2dB to +6dB,
EQ.: 0 to + 7.5dB, 50 MHz
1 Specifications are subject to change without notice
6
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