2020/2021
FIXED SIP DELAY LINE
T
R
< 1ns
(SERIES 2020 & 2021)
FEATURES
•
•
•
•
•
•
•
Microstrip Technology
Fast rise time for high frequency applications
Delay available from 100ps to 2500ps
Very narrow device (SIP package)
Stackable for PC board economy
Epoxy encapsulated
Meets or exceeds MIL-D-23859C
1 2 3
G IN G
data
3
®
delay
devices,
inc.
PACKAGES
6 7 8
G OUT G
2020-xx
xx = Delay (T
D
)
1 2 3
IN G OUT
2021-xx
xx = Delay (T
D
)
FUNCTIONAL DESCRIPTION
The 2020- and 2021-series devices are fixed, single-input, single-output,
passive delay lines. The signal input (IN) is reproduced at the output (OUT),
shifted by a time (T
D
) given by the device dash number. The characteristic
impedance of the lines is nominally 50 ohms. The rise time (T
R
) of the lines
is no more than 1ns, resulting in a 3dB bandwidth of at least 350MHz.
PIN DESCRIPTIONS
IN
OUT
G
Signal Input
Signal Output
Ground
SERIES SPECIFICATIONS
•
•
•
•
•
•
IN
Dielectric
GND
GND
DASH NUMBER SPECIFICATIONS
Part
Number
2021-100
2021-150
2021-200
2021-250
2021-300
2021-350
2021-400
2021-500
2021-600
2021-700
Part
Number
2020-100
2020-150
2020-200
2020-250
2020-300
2020-350
2020-400
2020-500
2020-600
2020-700
2020-800
2020-900
2020-1000
2020-1100
2020-1200
2020-1300
2020-1400
2020-1500
2020-1600
2020-1750
Delay
(ps)
100
±
10
150
±
10
200
±
10
250
±
10
300
±
10
350
±
10
400
±
10
500
±
10
600
±
12
700
±
14
800
±
16
900
±
18
1000
±
20
1100
±
22
1200
±
24
1300
±
26
1400
±
28
1500
±
30
1600
±
32
1750
±
35
Imped.
(Ω)
Ω
50
50
50
50
50
50
50
50
50
50
50
50
50
50
50
50
50
50
50
50
Tolerance:
Bandwidth:
Ripple in pass-band:
Dielectric breakdown:
Operating temperature:
Temperature coefficient:
Serpentine
2% or 10ps
>350MHz
Approx. 0.2dB
>500 Vdc
-65°C to +125°C
<100 PPM/°C
OUT
Functional Diagram
1.08 MAX.
.142
MAX.
.500
MAX.
Series
2020
G
IN
G
G OUT G
.380
MAX.
.200
MIN.
Series
2021
IN
G OUT
.100 .100
.500
.100 .100
.290
MAX.
.020
DIA.
.100 .100 .150
MAX.
Package Dimensions
©
2001 Data Delay Devices
Doc #01009
10/31/01
DATA DELAY DEVICES, INC.
3 Mt. Prospect Ave. Clifton, NJ 07013
1
2020/2021
PASSIVE DELAY LINE TEST SPECIFICATIONS
TEST CONDITIONS
INPUT:
Ambient Temperature:
Source Amplitude:
Source Impedance:
Input Frequency:
25 C
±
3 C
0dBm typical
50Ω nominal
27.777778MHz
o
o
OUTPUT:
Z
load
:
50Ω nominal
Network analyzer is used in phase measurement mode, normalized with a wire jumper between input and
output of DUT test socket. Delay is related to phase lag with proportionality constant of 100ps/deg.
NOTE:
The above conditions are for test only and do not in any way restrict the operation of the device.
OUT
IN R
IN A
NETWORK
ANALYZER
(HP 3577A)
IN B
RF
50-Ohm Coax
50-Ohm Coax
IN
50-OHM
SIGNAL
DIVIDER
OUT R (HP 35676
-66301)
OUT A
OUT B
50-Ohm Coax
IN
GND
DEVICE UNDER
TEST (DUT)
50-Ohm Coax
OUT
GND
Test Setup
Doc #01009
10/31/01
DATA DELAY DEVICES, INC.
Tel: 973-773-2299
Fax: 973-773-9672
http://www.datadelay.com
2
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