wj communications, inc ? phone 1-800-wj1-4401 ? fax: 408-577-6620 ? e-mail: sales@wj.com ? web site: www.wj.com april 2002 the communications ed g e tm advanced product information MH201 hi g h d y namic ran g e cellular band mmic mixer product features ? +30 dbm iip3 ? rf 800 ? 915 mhz ? lo 550 ? 715 mhz ? if 200 ? 250 mhz ? +17 dbm drive level ? low cost soic-8 package ? no external bias required product description the MH201 is a passive gaas mesfet mixer that p rovides high dynamic range performance in a low cost soic-8 package. wj?s MH201 uses patented techniques to realize +30 dbm input ip3 at an lo drive level of +17 dbm when used in a simple application circuit as an upconverting configuration. this single monolithic integrated circuit does no t require any external baluns or bias elements. typical applications include frequency up/down conversion, modulation and demodulation fo r receivers and transmitters used in 2.5g and 3g systems using the cellular frequency bands. functional diagram function pin no. lo if & rf * gnd 2 5 1,3,4,6,8 * 4 external components (inductors & capacitors) are required to diplex the signal specifications parameters 1 units minimum typical maximum comments frequency range: rf mhz 800 915 lo mhz 550 715 if mhz 200 250 ssb conversion loss db 9.5 10 noise figure db 10 input ip3 2 dbm +30 input p1db dbm tbd isolation: l-r db 30 l-i db 55 r-i db tbd return loss: db lo port -5 lo drive level dbm +17 1. data was taken using an application board shown on the following page, with a low side lo at +17 dbm in an upconverting app lication at 25c. 2. input ip3 was measured with two tones with an input power of -5 dbm / tone separated by 1 mhz. absolute maximum rating 3 application circuit parameters rating operating case temperature -40 to +85 c storage temperature -65 to +100 c maximum input lo power 4 +21 dbm 3. operation of this device above any of these parameters may cause permanent damage. 4. total sum of lo port and rf port power should not to exceed +23 dbm. 1 2 3 4 8 7 6 5 rf c1 12 pf if c2 5.6 pf l2 15 nh l1 27 nh l o all components are of size 0402
wj communications, inc ? phone 1-800-wj1-4401 ? fax: 408-577-6620 ? e-mail: sales@wj.com ? web site: www.wj.com april 2002 the communications ed g e tm advanced product information MH201 hi g h d y namic ran g e cellular band mmic mixer this document contains information on a new product. specifications and information are subject to change without notice.
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