
1503/1503J
MECHANICALLY VARIABLE
DELAY LINE
(SERIES 1503 & 1503J)
data
delay
devices,
inc.
3
FEATURES
Ideal for “Set and Forget” applications
Multi-turn adjustment screw
(1503: 40 turns, 1503J: 60 turns)
Stackable for PC board economy
20mil x 10mil flat leads (1503)
#20 gauge leads (1503J)
Resolution:
Dielectric breakdown:
Temperature coefficient:
100 PPM/
°
C
FUNCTIONAL DESCRIPTION
The 1503- and 1503J-series devices are mechanically variable, passive delay
lines. The signal input (IN) is reproduced at the tap output (TAP), shifted by an
amount which can be adjusted between 0 and T
D
, where T
D
is the device dash
number. The fixed output (OUT) reproduces the input, delayed by T
D
, and
must be terminated to match the characteristic impedance of the line, which is
given by the letter code that follows the dash number (See Table). The tap output is unbuffered. The 3dB
bandwidth of the line is given by 0.35 / T
R
, where T
R
is the rise time of the line (See Table).
SERIES SPECIFICATIONS
PACKAGES
As low as 0.12ns
50 Vdc
1503
GND
IN
OUT
TAP
1503-xxz
1503J-xxz
xx = Max Delay (T
D
)
z = Impedance Code
1503J
GND IN
OUT TAP
PIN DESCRIPTIONS
IN
Signal Input
TAP
Variable Output
OUT
Fixed Output
GND
Ground
Functional Diagram
GND
IN
TAP
OUT
.500
1.310 MAX.
.312
.020
Packag
.010
e Dimensions - 1503
.020
.170
.187
.375
1.000
.150
.300
.100
.100
.100
1
2
IN
GND
3
4
TAP
OUT
.150
DASH NUMBER SPECIFICATIONS
Part
Number
(ns)
(ns)
1503-15A
15
1503-25A
25
1503-30A
30
1503-40A
40
1503-50A
50
1503-60A
60
1503-80A
80
1503-100A
100
1503-15B
15
1503-30B
30
1503-50B
50
1503-60B
60
1503-80B
80
1503-100B
100
1503-120B
120
1503-140B
140
1503-160B
160
1503-200B
200
1503-30C
30
1503-60C
60
1503-100C
100
1503-20D
20
1503-20E
20
1503-30F
30
1503-25G
25
1503-40H
40
1503J-150A
150
1503J-250B
250
1503J-130C
130
1503J-30D
30
1503J-30E
30
1503J-40F
40
1503J-35G
35
1503J-60H
60
Max Dly
TR
Imped
(
)
50
50
50
50
50
50
50
50
100
100
100
100
100
100
100
100
100
100
200
200
200
250
300
350
400
500
50
100
200
250
300
350
400
500
RDC
(
)
0.7
0.8
1.0
1.5
1.7
2.0
3.0
3.5
1.0
2.0
3.0
4.0
5.0
14.0
8.0
14.0
10.0
14.0
4.0
9.5
14.0
5.0
5.0
8.0
8.0
12.0
5.0
21.0
21.0
7.0
7.0
10.0
10.0
18.0
3
5
6
8
10
12
16
20
3
6
10
12
16
20
24
28
32
40
6
12
20
4
4
6
5
8
22
38
20
5
5
6
6
9
2004 Data Delay Devices
Doc #01011
8/23/04
DATA DELAY DEVICES, INC.
3 Mt. Prospect Ave. Clifton, NJ 07013
1