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| High Dynamic Range FET Mixer HMJ2 The Communications Edge TM Product Features * +37 dBm IIP3 * No External Matching Elements * * * * * * Product Description The HMJ2 is a high dynamic range, GaAs FET mixer. This active FET mixer realizes a typical third order intercept point of +37 dBm at an LO drive level of +17 dBm. The HMJ2 comes in a low cost, J-lead package. Typical applications include frequency up/down conversion, modulation and demodulation for receivers and transmitters used in PCS systems. Functional Diagram 18 17 16 15 14 13 12 11 10 Required RF 1850-1990 MHz LO 1700-1940 MHz IF 50-150 MHz +17 dBm Drive Level +3V Bias (25 mA) Low Cost Surface Mount J-Lead Package 123456789 Function Pin No. Function Pin No. Ground 1 Ground 10 IF 2 LO 11 Ground 3-7 Ground 12-16 +3V DC 8 RF 17 Ground 9 Ground 18 Specifications Parameter Frequency Range: RF LO IF SSB Conversion Loss Noise Figure Isolation: LO-RF LO-IF RF-IF IIP3 Return Loss: RF Port LO Port IF Port Input P1dB LO Drive Level DC Current at +3V Bias Units MHz MHz MHz dB dB dB dB dB dBm dB dB dB dBm dBm mA Minimum 1850 1700 50 9.0 10.5 17 22 32 32 29 15 37 12 10 14 23 17 25 Typical Maximum 1990 1940 150 10.3 Condition RF = 1900 MHz (0dBm) 35 Test conditions unless otherwise stated: RF = 1900 MHz (-10 dBm), LO = 1800 MHz (17 dBm), IF = 100 MHz and 25C. Absolute Maximum Ratings Parameter Operating Case Temperature Storage Temperature Maximum Input Power Rating -40 to +85C -65 to +100C 25 dBm Ordering Information Part No. HMJ2 HMJ2-PCB Description High Dynamic Range FET Mixer (Available in tape and reel) Fully Assembled Application Circuit 1. Operation of this device above any of these parameters may cause permanent damage. 2. Total sum of LO port and RF port power should not exceed 25 dBm. WJ Communications, Inc. * Phone: 1-800-WJ1-4401 * FAX: 408-433-5649 * e-mail: sales@wj.com * Web site: www.wj.com September 2000 HMJ2 Performance Charts IIP3 vs. RF Frequency 50 Input Intercept Point (dBm) Conversion Loss vs. RF Frequency 5.0 Conversion Loss (dB) 45 7.5 IF = 50 MHz 10.0 IF = 100 MHz 40 IF = 100 MHz IF = 50 MHz IF = 150 MHz 35 IF = 150 MHz 12.5 30 1850 1900 1950 RF Frequency (MHz) 1990 15.0 1850 1870 1890 1910 1930 1950 RF Frequency (MHz) 1970 1990 Isolation vs. LO Frequency 50 40 Isolation (dB) 30 20 10 0 1700 0 1850 Isolation (dB) L-I L-R 20 30 Isolation vs. RF Frequency R-I 10 1730 1760 1790 1820 1850 1880 LO Frequency (MHz) 1910 1940 1900 1950 RF Frequency (MHz) 1990 RF Return Loss vs. RF Frequency 0 0 LO Return Loss vs. LO Frequency 0 IF Return Loss vs. IF Frequency RF Return Loss (dBm) LO Return Loss (dB) 10 10 IF Return Loss (dB) 5 5 5 10 15 15 15 20 1850 1870 1890 1910 1930 1950 RF Frequency (MHz) 1970 1990 20 1700 20 1730 1760 1790 1820 1850 LO Frequency (MHz) 1880 1910 1940 50 70 90 110 IF Frequency (MHz) 130 150 WJ Communications, Inc. * Phone: 1-800-WJ1-4401 * FAX: 408-433-5649 * e-mail: sales@wj.com * Web site: www.wj.com September 2000 HMJ2 Outline Drawing Land Pattern Mounting Configuration Specifications and information are subject to change without notice. Caution! ESD sensitive device. WJ Communications, Inc. * Phone: 1-800-WJ1-4401 * FAX: 408-433-5649 * e-mail: sales@wj.com * Web site: www.wj.com September 2000 WJ Communications, Inc. * Phone: 1-800-WJ1-4401 * FAX: 408-433-5649 * e-mail: sales@wj.com * Web site: www.wj.com |
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