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Model JP506
Rev. A
Pico Xinger 6dB Directional Coupler
t
Description
The JP506 is a low profile 6dB directional coupler in an easy to use surface mount package covering the WCDMA and other 3G applications. The JP506 is ideal for an inline split/combine amplifiers and for power injection and can be used in most high power designs. 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 such as FR4, G-10 and polyamide.
ELECTRICAL SPECIFICATIONS** Features:
* * * * * * * 2.0 - 2.3GHz Low loss High Directivity Surface Mountable Tape And Reel Convenient Package 100% Tested Frequency
GHz
Mean Coupling
dB
Insertion Loss
dB Max
VSWR
Max : 1
Freq. Sensitivity
dB Max
1.805 - 1.880 1.93 - 1.99 2.0 - 2.3 Directivity
dB Min
6.2 0.5 6.0 0.5 6.0 0.5 Power Handling
Watts
0.30 0.30 0.30 JC
C / Watt
1.22 1.22 1.22 Operating Temp.
C
0.20 0.20 0.20
18 18 20
20 20 20
35.2 35.2 35.2
-55 to +85 -55 to +85 -55 to +85
**Specification based on performance of unit properly installed on microstrip printed circuit boards with 50 nominal impedance. Specifications subject to change without notice.
Outline Drawing
Top View (Near-side) .250.010 [6.350.25] .036.004 [0.910.10] Pin 2 Pin 2 Side View Bottom View (Far-side) 4X .020.004 [0.510.10] Pin 1 GND .200.010 [5.080.25] GND Pin 4 Denotes Array Number Pin 3 Pin 3 .170.004 [4.320.10] .120.004 [3.050.10] 4X .034.004 SQ [0.860.10]
Pin 1
Pin 4
Dimensions are in Inches [Millimeters] JP506 Rev A Mechanical Outline
Part is Symmetric About All Axis Tolerances are Non-Cumulative
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 JP506
Rev. A
Typical Performance: 1.7 GHz. to 2.4 GHz.
Coupling JP506
-5.4
-10
Return Loss JP506
-5.6
Return Loss (dB)
-20
Coupling (dB)
-5.8
-30
-6
-40
-6.2 1.7 1.8 1.9 2 2.1 2.2 2.3 2.4 Frequency (GHz)
-50 1.7 1.8 1.9 2 2.1 2.2 2.3 2.4 Frequency (GHz)
Directivity JP506
-10
Transmission Loss JP506
-1.2
Transmission Loss (dB)
1.7 1.8 1.9 2 2.1 2.2 2.3 2.4
-15 Directivity (dB)
-1.3
-20
-1.4
-25
-1.5
-30 Frequency (GHz)
-1.6 1.7 1.8 1.9 2 2.1 2.2 2.3 2.4 Frequency (GHz)
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
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 JP506
Rev. A
VSWR & DIRECTIVITY (CONTINUED) 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 20 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 which negatively affect results. PIN CONFIGURATION
MOUNTING For Xinger surface mount couplers to operate optimally, there must be 50 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% colder 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
To ensure proper electrical and thermal performance there must be a ground plane with 100% solder connection underneath the part
Part is Symmetric About All Axis Mutiple plated thru holes to ground .170 [4.32]
.034 TYP [0.86] .063 SQ TYP [1.60] 50 Transmission Line
.120 [3.05]
Dimensions are in Inches [Millimeters] JP506 Rev A Mounting Footprint
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 JP506
Rev. A
PACKAGING Packaging follows EIA 481-2.
Xinger(R) Tape & Reel Diagram
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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