Model XDL09-8-080
Rev.C
Delay Line
DESCRIPTION
The XDL09-8-080 is a surface mount delay line that uses a slow wave
coupling structure that maximizes the amount of delay per unit area over
other distributed delay structures. The XDL09-8-080 can be used in
amplifier linearization applications from 869 – 960MHz. The XDL09-8-080 is
ideal for use in the main loop of feed forward and in pre-distortion
amplifiers. The Xinger® delay lines are a low cost, high quality alternative to
the traditional coaxial and filter solutions presently available. Parts have
been subjected to rigorous qualification testing and units are 100% tested.
Available in 6 of 6 tin immersion (XDL09-8-080S) RoHS compliant finishes.
ELECTRICAL SPECIFICATIONS
Features:
•
•
•
•
•
•
•
•
Frequency
(MHz.)
Mean Delay
(nS)
Deviation from Linear Phase
(Degrees Max)
Amplitude Flatness
(dB p-p)
Return Loss
(dB min)
Insertion Loss
(dB/nS)
Power Handling
(Watts)
ΘJC
(°C/watts)
Operating Temp.
(°C)
869-894
AMPS Band
8.04 ± 0.18
± 1.0
0.10
20
0.45
1
5
925–960
GSM Band
8.22 ± 0.18
± 1.0
0.15
20
0.45
1
5
Production Friendly
Consistent Delay
Stable Over Temperature
Surface Mountable
Available in Tape & Reel
Non-Lead Solder Paste
Compatible
Available in Lead-Free as
illustrated) or Tin-Lead
100% Tested
-55 to +85
-55 to +85
Specification based on performance of unit properly installed on microstrip printed circuit boards
with 50
Ω
nominal impedance. Specifications subject to change without notice.
OUTLINE DRAWING
Available on Tape
and Reel For Pick and
Place Manufacturing.
USA/Canada:
Toll Free:
Europe
:
(315) 432-8909
(800) 544-2414
+44 2392-232392
Model XDL09-8-080
Rev. C
TYPICAL PERFORMANCE: 500 MHz. To 2500 MHz.
AVERAGE DELAY
The average delay is defined as the group delay of the input signal through the delay line. Because the Xinger delay
lines take advantage of a narrow band tuning technique, the average delay over the broad band varies. Because the
XDL09-8-080 is tuned at 2.0GHz, the average delay in that range is larger than at 1.0 GHz and specifications reflect
this variation. The lot-to-lot variation is reflected in the plus/minus tolerance given in specifications.
Refer to Anaren Application Note AAN-232 for further information on Xinger delay lines.
MOUNTING GUIDELINES:
In order for Xinger surface mount delay lines to work
optimally, there must be 50Ω transmission lines leading to
and from all of the RF ports. Also, there must be a very
good ground plane under the part with a number of plated
thru holes to ensure proper electrical performance. If any
of these conditions are not satisfied, insertion loss,
average delay and VSWR may not meet published
specifications.
When a surface mount delay line is mounted to a printed
circuit board (PCB), the primary concerns are; insuring
the RF pads of the device are in contact with the circuit
trace of the PCB and the ground plane of neither the
component nor the PCB are in contact with the RF signal.
An example of how the PCB footprint could look is shown
below. In particular designs, the 50Ω lines need to be
adjusted to the unique dielectric coefficients and
thicknesses as well as varying pick and place equipment
tolerances.
USA/Canada:
Toll Free:
Europe:
(315) 432-8909
(800) 544-2414
+44 2392-232392
Available on Tape and
Reel For Pick and Place
Manufacturing.
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