1503/1503J
MECHANICALLY VARIABLE
DELAY LINE
(SERIES 1503 & 1503J)
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:
As low as 0.12ns
Dielectric breakdown:
50 Vdc
Temperature coefficient:
100 PPM/°C
GND
data
3
delay
devices,
inc.
PACKAGES
TAP
1503
IN
OUT
1503J
1503-xxz
1503J-xxz
xx = Max Delay (T
D
)
z = Impedance Code
GND IN
OUT TAP
FUNCTIONAL DESCRIPTION
PIN DESCRIPTIONS
The 1503- and 1503J-series devices are mechanically variable, passive delay
IN
Signal Input
lines. The signal input (IN) is reproduced at the tap output (TAP), shifted by an
TAP
Variable Output
amount which can be adjusted between 0 and T
D
, where T
D
is the device dash
OUT Fixed Output
number. The fixed output (OUT) reproduces the input, delayed by T
D
, and
GND Ground
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
TAP
IN
GND
OUT
DASH NUMBER SPECIFICATIONS
Part
Number
1503-15A
1503-25A
1503-30A
1503-40A
1503-50A
1503-60A
1503-80A
1503-100A
1503-15B
1503-30B
1503-50B
1503-60B
1503-80B
1503-100B
1503-120B
1503-140B
1503-160B
1503-200B
1503-30C
1503-60C
1503-100C
1503-20D
1503-20E
1503-30F
1503-25G
1503-40H
1503J-150A
1503J-250B
1503J-130C
1503J-30D
1503J-30E
1503J-40F
1503J-35G
1503J-60H
Max Dly
(ns)
15
25
30
40
50
60
80
100
15
30
50
60
80
100
120
140
160
200
30
60
100
20
20
30
25
40
150
250
130
30
30
40
35
60
TR
(ns)
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
Imped
(Ω)
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
(Ω)
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
Functional Diagram
2
GND
IN
1
4
TAP
.500
OUT
3
1.310 MAX.
.170
.312
.187
.020
.020
.150
.375
.010
.150
.100
.100
1.000
.300
.100
Package Dimensions - 1503
2004
Data Delay Devices
Doc #01011
8/23/04
DATA DELAY DEVICES, INC.
3 Mt. Prospect Ave. Clifton, NJ 07013
1
1503/1503J
PASSIVE DELAY LINE TEST SPECIFICATIONS
TEST CONDITIONS
25 C
±
3 C
High = 3.0V typical
Low = 0.0V typical
Source Impedance:
50Ω Max.
Rise/Fall Time:
3.0 ns Max. (measured
at 10% and 90% levels)
Pulse Width (T
D
<= 75ns):
PW
IN
= 100ns
Period
(T
D
<= 75ns):
PER
IN
= 1000ns
Pulse Width (T
D
> 75ns):
PW
IN
= 2 x T
D
Period
(T
D
> 75ns):
PER
IN
= 10 x T
D
INPUT:
Ambient Temperature:
Input Pulse:
o
o
OUTPUT:
R
load
:
C
load
:
Threshold:
10MΩ
10pf
50% (Rising & Falling)
NOTE:
The above conditions are for test only and do not in any way restrict the operation of the device.
PER
IN
PW
IN
T
RISE
INPUT
SIGNAL
90%
50%
10%
T
FALL
V
IH
90%
50%
10%
V
IL
D
FALL
T
FALL
D
RISE
T
RISE
OUTPUT
SIGNAL
90%
50%
10%
V
OH
90%
50%
10%
V
OL
Timing Diagram For Testing
TAP
OUT
PULSE
GENERATOR
TRIG
R
IN
IN
DEVICE UNDER
TEST (DUT)
OUT
IN
TRIG
OSCILLOSCOPE
50
Ω
R
IN
= R
OUT
= Z
LINE
R
OUT
Test Setup
Doc #01011
8/23/04
DATA DELAY DEVICES, INC.
3 Mt. Prospect Ave. Clifton, NJ 07013
3
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