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Rack Mountable

Video & Pulse Delay Lines
vrm
  • Replaces up to 1450 Feet of Cable
  • Eliminates most video distortions
  • Precision Delay Changes are Easily Accomplished
  • Low Insertion Loss, Amplitude & Delay Flatness
  • Excellent Pulse Fidelity

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Impedance : 75 Ohms
Pulse distortion: less than 4% with an input pulse rise time of 20 nanoseconds
Working Voltage: 50 volts maximum
Return Loss: Greater than 15 dB
Delay Tolerance: 5% or 1 nanosecond, whichever is greater.

Part Number

Delay Range (Nano- seconds)

Delay Steps (Nanoseconds)

Method of Variation

Maximum Insertion Loss @ 100KHz (dB)

Amplitude Flatness at any delay Setting 100KHz to 5.5 MHz (db)

 Max. Rise Time (Nano-
seconds)		 Package Size (Inches) Package Type
(See Drawing)
VRM011 0-11 Continuously Variable Trimmer & Slide .30 .3 Max 10 1.25 x 4.15 x 4.00 A
VRM0255 0-255 1.0 Slide Switch .40 .4 20 1.25 x 4.15 x 4.00 A
VRM0256 0-256 Continuously Variable Toggle Switch & Trimmer .40 .4 22 1.31 x 3.69 x 4.69 D
VRS0317 0-317.5 2.5 Strap .40 .5 26 1.25 x 4.15 x 4.00 A
VRM0320 0-320 Continuously Variable Toggle Switch & Trimmer .50 .4 25 1.31 x 3.69 x 4.69 D
VRS0635 0-635 5.0 Strap .75 .5 35 1.25 x 4.15 x 6.00 B
VRM0637 0-637.5 2.5 Slide Switch *1.00 .4 28 1.25 x 4.15 x 6.00 B
VRM1100 0-1100 10.0 Rotary 1.75 .4 30 1.31 x 3.69 x 4.69 D
VRS1270 0-1270 10.0 Strap 1.50 .5 37 1.25 x 4.15 x 9.00 C
VRM1275 0-1275 5.0 Slide Switch *1.50 .4 33 1.25 x 4.15 x 9.00 C
VRS2260 0-2260 20.0 Strap 3.00 .5 40 1.25 x 4.15 x 9.00 C
VRM2270 0-2270 10.0 Slide Switch *2.50 .5 40 1.25 x 4.15 x 9.00 C

* ± 2dB variation at any delay

Rack Information (please click) Package Type X Y Z H
A 1" 2" 4" 4.15"
B 2" 4" 6" 4.15"
C 3.5" 7" 9" 4.15"
D 1.5" 3" 4.7" 3.69"

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Allen Avionics, Inc.
255 East Second Street, Mineola, NY  11501
Phone: (516) 248-8080
Fax: (516) 747-6724
E-Mail: Info@AllenAvionics.com

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