Available on Tape
and Reel For Pick and
Place Manufacturing.
USA/Canada:
Toll Free:
Europe:
(315) 432-89 09
(800) 544-24 14
+44 2392-232392
Model 1P510
Rev B
t
Pico Xinger
10dB Directional Coupler
Description
The 1P510 Pico Xinger is a low profile, miniature 10dB directional coupler
in an easy to use surface mount package designed for DCS and PCS
applications. The 1P510 is for power and frequency detection as well as
power injection. The 1P510 is an ideal solution for the ever-increasing
demands of the wireless industry for smaller printed circuit boards and high
performance. Parts have been subjected to rigorous qualification testing
and units are 100% tested. They are manufactured using materials with x
and y thermal expansion coefficients compatible with common substrates.
Available in both 5 of 6 tin lead (1P510) and 6 of 6 RoHS compliant tin
immersion (1P510S).
ELECTRICAL SPECIFICATIONS**
Frequency Mean
Coupling Insertion
Loss VSWR Freq.
Sensitivity
GHz dB dB Max Max : 1 dB Max
1.7 – 2.0 10 ± 0.75 0.25 1.22 ± 0.2
Directivity Power
Handling ΘJC
Operating
Temp.
dB Min Ave CW Watts ºC / Watt ºC
Features:
1.7 – 2.0 GHz
DCS and PCS
Very Low Loss
High Directivity
Surface Mountable
Tape and Reel
Available in Lead-Free (as
illustrated) or Tin-Lead 20 20 44 -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.
1P510* Mechanical Outline
.250±.010
[6.35±0.25]
.200±.010
[5.08±0.25]
.049±.010
[1.25±0.25]
Pin 4
Pin 1 Pin 2
Pin 3
Pin 1
Pin 4
Pin 3
Pin 2
4X .020±.004
[0.51±0.10]
GND
Orientation
Marker Denotes
Pin Location 4X .034±.004 SQ
[0.86±0.10]
.170±.004
[4.32±0.10]
.120±.004
[3.05±0.10]
GND
Dimensions are in Inches [Millimeters]
Denotes
Array Number
USA/Canada:
Toll Free:
Europe:
(315) 432-8909
(800) 544-2414
+44 2392-232392
Available on Tape and
Reel For Pick and Place
Manufacturing.
Model 1P510
Rev B
Typical Performance: 1400 MHz – 2300 MHz
COUPLING
Choice of a coupling value in an application normally
depends on the power level of the main (sampled) line.
For example, if the coupler is being used to monitor main
line power, the coupling value is selected to provide
sufficient power to the monitoring device and yet
minimize system loss. Note that any coupler reduces
power flowing in the main line by the amount coupled off;
a 10dB coupler reduces main line power by 1 dB (10%)
where a 20dB coupler reduces it by only 0.044dB (1%).
Anaren uses mean coupling and frequency sensitivity
with the coupling specification. The mean coupling value
is arrived at by periodically sampling the coupling value
over the specified band and averaging the readings.
Frequency sensitivity is the peak to peak variation in
coupling over the specified band.
VSWR & DIRECTIVITY
In directional couplers, directivity is specified in lieu of
isolation. Directivity is a measure of how well the coupled
power is isolated from reflections at the main line output
port. For example, open or short circuiting the output port
of a coupler with 20dB directivity would only affect the
coupled output power by 1% and only 0.1% for 30dB
directivity. High directivity is especially important if the
coupler is being used to measure the VSWR of a device
at its output port. In this application, accurate
measurements of forward and reverse power are
required.
In theory, VSWR and directivity characteristics of a
coupler are perfect; the input and output ports are
perfectly matched and no power is coupled to the isolated
port. In practice, factors associated with the design and
manufacturing processes limit VSWR and directivity. The
1400 1500 1600 1700 1800 1900 2000 2100 2200 2300
-50
-45
-40
-35
-30
-25
-20
-15
-10
-5
0
Frequency (Mhz)
Return Loss (dB)
Return Loss 1P510
1400 1500 1600 1700 1800 1900 2000 2100 2200 2300
-50
-45
-40
-35
-30
-25
-20
-15
-10
-5
0
Frequency (Mhz)
Directivity (dB)
Directivity 1P510
1400 1500 1600 1700
1800
1900
2000 2100 2200 2300
-0.8
-0.7
-0.6
-0.5
-0.4
Frequency
Transmission Loss (dB)
Transmission Loss 1P510
1400 1500 1600 1700 1800 1900 2000 2100 2200 2300
-11
-10.75
-10.5
-10.25
-10
-9.75
-9.5
-9.25
-9
Frequency (Mhz)
Coupling (dB)
Coupling 1P510
Available on Tape
and Reel For Pick and
Place Manufacturing.
USA/Canada:
Toll Free:
Europe:
(315) 432-89 09
(800) 544-24 14
+44 2392-232392
Model 1P510
Rev B
VSWR & DIRECTIVITY (CONTI NUED)
internal meandering of the coupled lines and
limitations of building perfect 50 transitions at the
input and output ports of the device are the most
significant factors against perfect VSWR and
directivity. Typically, VSWR and directivity of 1.15:1
and 25 dB respectively are achieved in practice.
INSERTION LOSS
Coupler insertion loss is defined as the log of the
input power divided by the sum of the power at the
two output ports. In practice, typical loss is
approximately 0.20 dB. Specification limits are
somewhat higher due to imperfect test conditions;
surface mount couplers must be tested in test
fixtures that negatively affect results.
PIN CONFIGURATION
The 1P510’s have an orientation marker to denote
either pin 1 or pin 2. When the input port is
identified, the output, coupled and isolated ports are
known automatically. For example, if the input port
for a device was selected to be Pin 1, Pin 2
automatically becomes the output port, Pin 4
becomes the coupled port, and Pin 3 is the isolated
port. Similarly, if Pin 2 was to be selected as the
input port, the adjacent port on the long side (Pin 1)
is the output port, the adjacent port on the short side
(Pin 3) is the coupled port, and the opposite port
(Pin 4) is the isolated port. Either port on the same
side as the orientation marker can be selected as
the input port, as shown in the table, which shows
both pin configurations. The use of pin 1 or pin 2 as
the input port ensures phase consistency as well as
maximum power handling.
MOUNTING
For Xinger surface mount couplers to operate
optimally, there must be 50Ω transmission lines
leading to and from all of the RF ports. To ensure
proper electrical and thermal performance, there must
be a ground plane with 100% solder connection
underneath the part. If either of these two conditions is
not satisfied, insertion loss, coupling, VSWR and
directivity may not meet published specifications.
SUGGESTED FOOTPRINT
1P510* Mounting Footprint
Dimensions are in Inches [Millimeters]
To ensure proper electrical and thermal performance
there must be a ground plane with 100%
solder connection underneath the part
4X .063 SQ
[1.60]
4X .034
[0.86]
.170
[4.32]
.120
[3.05]
4X 50
Transmission
Line
Multiple
plated thru holes
to ground
USA/Canada:
Toll Free:
Europe:
(315) 432-8909
(800) 544-2414
+44 2392-232392
Available on Tape and
Reel For Pick and Place
Manufacturing.
Model 1P510
Rev B
PACKAGING
Packaging follows EIA 481-2. Parts are oriented in tape as shown below. Minimum order quantities are 2000
per reel and 77 per tube.
Xinger® Tape & Reel Diagram