FLAT-PAK
™
SERIES
Model FP-VDA4
Video Distribution Amplifier
ANYWHERE YOU NEED...
• Video Distribution with Four Outputs
• Adjustable Gain
• Input Loop-Through Jack
• Wide Bandwidth – Flat to 10 MHz
• NTSC or PAL Operation
• Ultra-Compact All Metal Construction
• Convenience of RDL FLAT-PAKs
You Need The FP-VDA4!
The FP-VDA4 is part of the group of versatile FLAT-PAK products from Radio Design Labs. The durable
adhesives provided with the FP-VDA4 permit permanent or removable mounting. The unique FLAT-PAK
case can also be directly screwed or bolted to cabinets or shelves. Optionally available rack-mounting
accessories permit single or multiple FLAT-PAK module mounting. All FLAT-PAK modules are supplied
with a power interconnect cable for daisy-chaining multiple modules from a single power supply.
APPLICATION: The FP-VDA4 is the ideal choice in many applications where video signals need to be
distributed. Video input and output connections are made on the top panel BNC jacks. Power
connections are made using either the full-size barrier block terminals or a dc power jack located in one
end panel. A second dc power jack is provided on the other end panel for connecting additional FLATPAK modules.
The FP-VDA4 has two jacks in the bridging input stage. One jack is for the input signal; the other is a
loop-through output of the source signal. If 75 Ω termination of the input signal is required, the terminator
(provided) is plugged onto the Loop Out jack. Gain is user adjustable from the top panel. The gain
potentiometer allows adjustment from unity to +6 dB. Four source-terminated outputs are provided
through the BNC output jacks. Unused outputs need not be terminated.
The FP-VDA4’s low profile and compact size permit mounting in confined spaces and in various locations
in equipment racks. The location of the input/output jacks permits high density mounting against flat
surfaces while maintaining accessibility to the connectors. Installations requiring multiple distribution
amplifiers are ideally designed using FP-VDA4s affixed to rack sides, or by mounting them to either the
front or rear rack rails using the RDL FP-RRA.
Wherever a video distribution amplifier is needed to provide wide-band video feeds, gain adjustment,
reliability, compactness and unsurpassed versatility, the FP-VDA4 is the ideal choice. Use the FP-VDA4
individually, or combine it with other RDL products as part of a complete audio/video system.
DTS2020 Typical Performance reflects product at publication time exclusive of EMC data, if any, supplied with product. Specifications subject to change without notice.
Video Source Feeding
FP-VDA4 Input
FP-VDA4
Typical Connections
2A MAX
INPUT
INPUT OUTPUT 2
OUTPUT 1
Video Output Feeding
Other Video Equipment
60 mA
FP-VDA4
CURRENT
OUTPUT
PWR BUS
Power to Additional
Flat-Pak Modules, Total
Current Not to Exceed 2 A
or Available Supply Current
OR
24 VDC
POWER
SOURCE
POWER
24 VDC
LOOP
OUT OUTPUT 4OUTPUT 3
1A MAX
INPUT
Video Loop Out Feeding
Other Video Equipment, or
use 75 Ohm Terminator
GAIN
UNITY GAIN
Unity Gain is Set with
Control Fully
Counter-Clockwise,
Turning Control Clockwise
Increases Gain
TYPICAL PERFORMANCE
Input Impedance: 1 kΩ (Bridging 75 Ω Line)
Gain Range: Unity to +6 dB (adjustable)
Load Impedance: 75 Ω
Outputs (5): 1 Loop Out from Input Signal; 4 Amplified Outputs
Output Level: 1 V p-p (into 75 Ω)
Frequency Response: 10 Hz - 10 MHz (+/- 0.2 dB)
Noise: < -75 dB (below 1 V p-p)
Output Isolation: > 45 dB
Differential Gain: 0.1%
Differential Phase: 0.1 degree (measured at 10% and 90% APL)
Connector Type: BNC
Power Requirement: 24 Vdc @ 60 mA, Ground-referenced
Dimensions:
Height: 0.88 in. 2.24 cm (not including connectors)
Height: 1.35 in. 3.43 cm (including connectors)
Width: 3.25 in. 8.26 cm
Length: 4.20 in. 10.67 cm
EMC:
RDL •• P.O. Box 1286 •• Carpinteria, CA., USA 93014 •• (805) 684-5415 •• FAX (805) 684-9316 •• Fax-on-Demand (800) 391-0017 •• http://www.rdlnet.com
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