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| MH202 High Dynamic Range Cellular Band MMIC Mixer The Communications Edge TM Advanced Product Information Product Features * * * * * * * +30 dBm IIP3 RF 890 - 960 MHz LO 640 - 760 MHz IF 200 - 250 MHz +17 dBm Drive Level Low Cost SOIC-8 Package No External Bias Required Product Description The MH202 is a passive GaAs MESFET mixer that provides high dynamic range performance in a low cost SOIC-8 package. WJ's MH202 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 not require any external baluns or bias elements. Typical applications include frequency up/down conversion, modulation and demodulation for receivers and transmitters used in 2.5G and 3G systems using the cellular GSM frequency band. Functional Diagram 1 8 7 6 5 2 3 4 Function LO IF & RF* GND Pin No. 2 5 1,3,4,6,8 * 4 external components (inductors & capacitors) are required to diplex the signal Specifications Parameters1 Frequency Range: RF LO IF SSB Conversion Loss Noise Figure Input IP32 Input P1dB Isolation: L-R L-I R-I Return Loss: LO Port LO Drive Level Units MHz MHz MHz dB dB dBm dBm dB dB dB dB dBm Minimum 890 640 200 Typical Maximum 960 760 250 10 Comments 9.5 10 +30 TBD 30 55 TBD -5 +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 application at 25C. 2. Input IP3 was measured with two tones with an input power of -5 dBm / tone separated by 1 MHz. Absolute Maximum Rating3 Parameters Operating Case Temperature Storage Temperature Maximum Input LO Power4 Application Circuit LO L1 27 nH IF Rating -40 to +85 C -65 to +100 C +21 dBm C2 5.6 pF RF C1 12 pF 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. L2 15 nH 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 MH202 High Dynamic Range Cellular Band MMIC Mixer The Communications Edge TM Advanced Product Information This document contains information on a new product. Specifications and information are subject to change without notice. WJ Communications, Inc * Phone 1-800-WJ1-4401 * FAX: 408-577-6620 * e-mail: sales@wj.com * Web site: www.wj.com April 2002 |
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