? north america tel: 800.366.2266 ? europe tel: +353.21.244.6400 ? india tel: +91.80.4155721 ? china tel: +86.21.2407.1588 visit www.macomtech.com for addi tional data sheets and product information. m/a-com technology solutions inc. and its affiliates reserve the right to make changes to the product(s) or information contained herein without notice. 1 low cost smt 17 db bi-directional coupler 1700 ? 2000 mhz rev. v3 ch20-0033-17g advanced: data sheets contain information regarding a product m/a-com technology solutions is considering for development. performance is based on target specifications, simulated results, and/or prototype measurements. commitment to develop is not guaranteed. preliminary: data sheets contain information regarding a product m/a-com technology solutions has under development. performance is based on engineering tests. specifications are typical. mechanical outline has been fixed. engineering samples and/or test data may be available. commitment to produce in volume is not guaranteed. features ? device is bi-directional ? small size and low profile ? superior repeatability ? typical insertion loss 0.3 db ? typical directivity 17 db ? 2 watt power handling ? soic-8 package description m/a-com?s ch20-0033-17g is an ic based mono- lithic bi-directional coupler in a low cost soic-8 plas- tic package. this 17 db coupler is ideally suited for applications where power monitoring, small size, low insertion loss, superior repeatability, and low cost are required. typical applications include personal communication systems and other communication applications where size and pcb real estate is a premium. available in tape and reel. the ch20-0033-17g is fabricated using a passive- integrated circuit process. the process features pas- sivation for increased perf ormance and reliability. ordering information part number package ch20-0033-17g bulk packaging CH20-0033-17G-TR 1000 piece reel ch20-0033-17gsam sample test board note: reference application note m513 for reel size information. functional diagram 1 pin configuration pin no. function pin no. function 1 rf in 5 isolated 2 gnd 6 gnd 3 gnd 7 gnd 4 rf out 8 coupled 1. pins 2, 3, 6 and 7 must be rf and dc grounded.
? north america tel: 800.366.2266 ? europe tel: +353.21.244.6400 ? india tel: +91.80.4155721 ? china tel: +86.21.2407.1588 visit www.macomtech.com for addi tional data sheets and product information. m/a-com technology solutions inc. and its affiliates reserve the right to make changes to the product(s) or information contained herein without notice. 2 low cost smt 17 db bi-directional coupler 1700 ? 2000 mhz rev. v3 ch20-0033-17g advanced: data sheets contain information regarding a product m/a-com technology solutions is considering for development. performance is based on target specifications, simulated results, and/or prototype measurements. commitment to develop is not guaranteed. preliminary: data sheets contain information regarding a product m/a-com technology solutions has under development. performance is based on engineering tests. specifications are typical. mechanical outline has been fixed. engineering samples and/or test data may be available. commitment to produce in volume is not guaranteed. electrical specifications: t a = 25c, z 0 = 50 parameter units min typ max insertion loss db ? 0.3 0.5 vswr ? ? 1.3:1 1.7:1 coupling db ? 172 ? coupling flatness db ? 1.2 1.5 directivity db 12 17 ? absolute maximum ratings 2,3 parameter absolute maximum input power 2w cw operating temperature -40oc to +85oc storage temperature -65oc to +150oc 2. exceeding any one or combination of these limits may cause permanent damage to this device. 3. m/a-com does not recommend sustained operation near these survivability limits. handling procedures please observe the following precautions to avoid damage: static sensitivity gmic circuits are sensitive to electrostatic discharge (esd) and can be damaged by static electricity. proper esd control techniques should be used when handling these devices. recommended pcb configuration
? north america tel: 800.366.2266 ? europe tel: +353.21.244.6400 ? india tel: +91.80.4155721 ? china tel: +86.21.2407.1588 visit www.macomtech.com for addi tional data sheets and product information. m/a-com technology solutions inc. and its affiliates reserve the right to make changes to the product(s) or information contained herein without notice. 3 low cost smt 17 db bi-directional coupler 1700 ? 2000 mhz rev. v3 ch20-0033-17g advanced: data sheets contain information regarding a product m/a-com technology solutions is considering for development. performance is based on target specifications, simulated results, and/or prototype measurements. commitment to develop is not guaranteed. preliminary: data sheets contain information regarding a product m/a-com technology solutions has under development. performance is based on engineering tests. specifications are typical. mechanical outline has been fixed. engineering samples and/or test data may be available. commitment to produce in volume is not guaranteed. coupling vs. frequency insertion loss vs. frequency vswr vs. frequency typical performance curves directivity vs. frequency
? north america tel: 800.366.2266 ? europe tel: +353.21.244.6400 ? india tel: +91.80.4155721 ? china tel: +86.21.2407.1588 visit www.macomtech.com for addi tional data sheets and product information. m/a-com technology solutions inc. and its affiliates reserve the right to make changes to the product(s) or information contained herein without notice. 4 low cost smt 17 db bi-directional coupler 1700 ? 2000 mhz rev. v3 ch20-0033-17g advanced: data sheets contain information regarding a product m/a-com technology solutions is considering for development. performance is based on target specifications, simulated results, and/or prototype measurements. commitment to develop is not guaranteed. preliminary: data sheets contain information regarding a product m/a-com technology solutions has under development. performance is based on engineering tests. specifications are typical. mechanical outline has been fixed. engineering samples and/or test data may be available. commitment to produce in volume is not guaranteed. soic-8 ? ? reference application note m538 for solder reflow recom- mendations.
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