LINK ELECTRONICS, INC.
1000 SERIES DIGIFLEX
ANALOG PULSE DISTRIBUTION AMPLIFIER 1 X 8
DigiFlex 1143
MADE IN THE USA
FEATURES
Pulse DA
Regenerative
Eight Outputs
Fixed Level Output, 4Vp-p
Two to Eight Vp-p Input
Slice at 50% Point
1000 - Single Power Supply, Holds 11 Modules
1000/2 - Dual Power Supply, Holds 10 Modules
7200 - Mounting Frame, Holds 1 Module
Mounting Frame Options
The DigiFlex 1143 is a regenerative pulse
distribution amplifier designed to operate in the
DigiFlex 1000 or 7200 frame. Its input is
connected through a companion rear cell, Model
1011. The input pulse is re-sliced at the 50% point
by a level-tracking comparator circuit. Regardless
of the input level, it always slices at the 50% point.
The output width is constant, based on the input
signal at the 50% point. Overshoot and ringing are
eliminated due to this process.
Backed by Link’s 10-year warranty, the DigiFlex 1143 is ready to provide years of error-free operation.
Discrete linear amplifiers are used in the output
drivers to insure that pulse shape and rise/fall
times are accurately set by LC filter circuits. The
outputs are therefore fixed at 4.0Vpp with 140ns
rise/fall times and pulse width equal to the input
width at the 50% point. No internal adjustment or
calibration is required. A jumper is incorporated to
select between high impedance or 75Ω termination
of the input signal.
LINK ELECTRONICS, INC. 2137 Rust Avenue Cape Girardeau, MO 63703-7668
Phone 573 334 4433
FAX 573 334 9255
DIGIFLEX 1143 ANALOG PULSE DA
INPUT:
Connector: ..................................................................75Ω BNC
Impedance: ....................................................... 75Ω ±1%, terminating
.....................................................................50kΩ, bridging
Level:............................................................... 2.0Vpp to 8.0Vpp
OUTPUTS:
Number: ................................................................... Eight (8)
Connector: ..................................................................75Ω BNC
Impedance: .................................................................75Ω ±1%
Level:.................................................................. 4.0Vpp ±10%
Rise & Fall Time:.......................................................... 140ns ±20ns
Overshoot: .....................................................................<10%
FRONT PANEL CONTROLS AND INDICATORS:
Power:................................................................... Green LED
Termination: ............................................................2 Pos. Jumper
ENVIRONMENTAL:
Temperature:........................................................ 0° to 50°C Ambient
Humidity: ................................................... 10% to 90% non-condensing
Power:...................................................................... 320mW
MECHANICAL:
Height:...................................................................... 3.2 Inch
Width: ......................................................................1.0 Inch
Length: ..................................................................... 10 Inch
Weight: ..................................................................... 7.25 Oz
LINK ELECTRONICS, INC.
2137 Rust Avenue
Cape Girardeau, MO 63703
Phone: 573 334 4433
FAX: 573 334 9255
Rear Cell I/O
0. Input
PROFESSIONAL SERIES-modular system products--by
1143/042503
LINK
1. Out
2. Out
3. Out
4. Out
5. Out
6. Out
7. Out
8. Out
REARCELL 1011
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