low cost three-way gmic smt power divider 1850 - 1990 mhz ds53-0004 preliminary speci?ations v1.02 l l l l l l l m/a-com, inc. north america: tel. (800) 366-2266 n asia/paci?: tel. +85 2 2111 8088 n europe: tel. +44 (1344) 869 595 fax (800) 618-8883 fax +85 2 2111 8087 fax +44 (1344) 300 020 1 features small size and low pro?e industry standard soic-8 smt plastic package excellent amplitude and phase balance superior repeatability typical insertion loss 0.8 db typical isolation 24 db 1 watt power handling description m/a-com? ds53-0004 is an ic based monolithic power divider using m/a-com? gmic technology in a low cost soic-8 plastic package. this 3-way power divider is ideally suited for applications where small size, low insertion loss, superior phase/amplitude tracking and low cost are required. typical applications include personal communication systems and other communication applications where size and pcb real estate are at a premium. available in tape and reel. the ds53-0004 is fabricated using a passive-integrated circuit process. the process features full chip passivation for increased performance and reliability. so-8 0?8 .0075-0.0098
(0.19-0.25) .1890-.1968
(4.80-5.00) .0099-0.0196
x 45?chamfer
(0.25-0.50)
.2284-.2440
(5.80-6.20)
pin 8 orientation
mark pin 1 8- lead sop outline dimensions
narrow body .150
(all dimensions per jedec no. ms-012-aa, issue c) dimensions in ( ) are in mm. .1497-.1574
(3.80-4.00) - b - - a - .050(1.27) bsc. .013-.020 typ.
(0.33-0.51) .0040-.0098
(0.10-0.25) - c - .0532-.0688
(1.35-1.75) .016-.050
(0.40-1.27) .010(0.25) m b m .010(0.25) m c a m b s unless otherwise noted: .xxx = ?0.010 (.xx = ?0.25) .xx = ?0.02 (.x = ?.5) .004 (0.10) part number package ds53-0004 soic 8-lead plastic package ds53-0004tr forward tape and reel * ds53-0004rtr reverse tape and reel * ordering information * if speci? reel size is required, consult factory for part number assignment. parameter units min. typ. max. insertion loss above 4.8 db db 1.0 1.4 isolation db 17 21 vswr 1.8:1 2.0:1 amplitude balance db 0.3 0.6 phase balance 7 14 1. all speci?ations apply with a 50-ohm source and load impedance. typical electrical speci?ations 1 , t a = +25? the preliminary speci?ations data sheet contains typical electrical speci?ations which may change prior to final introduction.
v1.02 m/a-com, inc. north america: tel. (800) 366-2266 n asia/paci?: tel. +85 2 2111 8088 n europe: tel. +44 (1344) 869 595 fax (800) 618-8883 fax +85 2 2111 8087 fax +44 (1344) 300 020 2 the preliminary speci?ations data sheet contains typical electrical speci?ations which may change prior to final introduction. parameter absolute maximum input power 2 1 w cw operating temperature -40? to +85? storage temperature -65? to +150? absolute maximum ratings 1 typical performance @ +25? functional diagram 1. exceeding these limits may cause permanent damage. 2. with internal load dissipation of 0.125 w maximum. gnd gnd rf1 out rf2 out rf3 out rf in gnd gnd 8 5 4 1 0 -0.5 -1 -1.5 -2 1850 1888 1925 1963 2000 frequency (mhz) insertion loss (db) 0 -5 -10 -15 -20 -25 -30 -35 -40 1850 1888 1925 1963 2000 isolation (db) frequency (mhz) 2 1.9 1.8 1.7 1.6 1.5 1.4 1.3 1.2 1.1 1 1850 1888 1925 1963 2000 frequency (mhz) vswr insertion loss vs frequency (dashed lines show amplitude balance window) isolation vs frequency vswr vs frequency recommended pcb con?uration .050 dia. plated thru (2x) .018 dia. plated thru (12x) rf2 rf1 rf input rf3 .244 .072typ. .244 .035 typ. .030 typ. .081 typ. (dimensions in inches) circuit material: fr-4, .016 thick low cost three-way gmic smt power divider ds53-0004 10 8 6 4 2 0 -2 -4 -6 -8 -10 1850 1888 1925 1963 2000 frequency (mhz) phase (degrees) phase balance vs. frequency (relative to rf1) rf1 rf2 rf3 rf1-rf2 rf2-rf3 rf1-rf3 rf in rf1 rf2 rf3
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