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Preliminary Specifications
Low-Cost Three-Way Power Splitter/Combiner 1510 - 1660 MHz DS53-0002
V1.00
Features
q q q q q q
SO-8
PIN 8 .1497-.1574 (3.80-4.00) -B.2284-.2440 (5.80-6.20) .010(0.25) M B M
Small Size and Low Profile Industry Standard SOIC-8 SMT Plastic Package Superior Repeatability Excellent Insertion Loss 0.6 dB Typical Low Cost Frequency coverage for GPS and LEOS Programs
Orientation mark PIN 1 .1890-.1968 (4.80-5.00) -A.004 (0.10)
Description
M/A-COM's DS53-0002 is an IC based monolithic power splitter in a low cost SOIC-8 plastic package. This 3-way power splitter is ideally suited for applications where small size, low profile and low cost, without sacrificing performance are required. Typical applications include base stations, portables and PCMCIA cards for cellular applications. Available in tape and reel. The DS53-0002 is fabricated using a passive integrated circuit process. The process features full chip passivation for increased performance and reliability.
.0532-.0688 (1.35-1.75) 0-8 -C.0040-.0098 (0.10-0.25) .013-.020 TYP. (0.33-0.51)
.0099-0.0196 x 45 Chamfer (0.25-0.50) .016-.050 (0.40-1.27) .0075-0.0098 (0.19-0.25)
.050(1.27) BSC.
.010(0.25) M C A M B S 8- Lead SOP outline dimensions Narrow body .150 (All dimensions per JEDEC No. MS-012-AA, Issue C) Dimensions in ( ) are in mm. Unless Otherwise Noted: .xxx = 0.010 (.xx = 0.25) .xx = 0.02 (.x = 0.5)
Ordering Information
Part Number DS53-0002 DS53-0002-TR DS53-0002-RTR Description SOIC 8-Lead Plastic Package Forward Tape & Reel* Reverse Tape & Reel*
*If specific reel size is required, consult factory for part number assignment.
Typical Electrical Specifications1, TA = +25C
Parameter Insertion Loss above 4.78 dB Isolation VSWR Amplitude Balance Phase Balance Unit dB dB -- dB Min. -- 15 -- -- -- Typ. 0.6 18 1.4:1 0.4 6 Max. 0.7 -- 1.6:1 0.6 10
1. All specifications apply with a 50 ohm source and load impedance.
The Preliminary Specifications Data Sheet Contains Typical Electrical Specifications Which May Change Prior to Final Introduction.
M/A-COM, Inc.
North America: Tel. (800) 366-2266 Fax (800) 618-8883
s
1
Asia/Pacific: Tel. +81 3 3263 8761 Fax +81 3 3263 8769
s
Europe: Tel. +44 (1344) 869 595 Fax +44 (1344) 300 020
Low-Cost Three-Way Power Splitter/Combiner Absolute Maximum Ratings1
Parameter Input Power
2
DS53-0002
V1.00
Functional Diagram
1 GND 8 RF OUT
Absolute Maximum 1 W CW -40C to +85C -65C to +150C
RF IN RF OUT
Operating Temperature Storage Temperature
1. Exceeding these limits may cause permanent damage. 2. With internal load dissipation of 0.125 W Maximum.
Recommended PCB Configuration
(Dimensions in Inches)
RF OUT .072
GND
GND
GND 4
.030 TYP.
RF OUT 5
.067 TYP.
RF IN .244
RF OUT 0.050 PLATED THRU (2X)
.113
RF OUT 0.016 PLATED THRU (12X) .244 .072
Typical Performance @ +25C
INSERTION LOSS vs FREQUENCY
0 -0.1 -0.2 -0.3 -0.4 -0.5 -0.6 -0.7 -0.8 -0.9 -1
(ABOVE THEORETICAL SPLIT LOSS)
0
ISOLATION vs FREQUENCY
ISOLATION (dB)
1660 -5 -10 -15 -20 -25 -30 1510 1540 1570 1600 1630 1660
INSERTION LOSS (dB)
RF2 RF3
RF1
1510
1540
1570
1600
1630
FREQUENCY (MHz)
FREQUENCY (MHz)
1.7 1.6 1.5
VSWR vs FREQUENCY
VSWR
1.4 1.3 1.2 1.1 1 1510 1540 1570 1600 1630 1660 Input Output
FREQUENCY (MHz)
The Preliminary Specifications Data Sheet Contains Typical Electrical Specifications Which May Change Prior to Final Introduction.
2
North America: Tel. (800) 366-2266 Fax (800) 618-8883
s
M/A-COM, Inc.
Asia/Pacific: Tel. +81 3 3263 8761 Fax +81 3 3263 8769
s
Europe: Tel. +44 (1344) 869 595 Fax +44 (1344) 300 020

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