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| MH302 Product Features * * * * * * * The Communications Edge TM Product Information PCS/UMTS-band Quad-FET Mixer Product Description The MH302 is a passive Quad-MOSFET mixer that provides high dynamic range performance in a low cost 3x3 mm 6-pin DFN (Dual Flat No-Lead) leadfree/green/RoHS-compliant package. WJ's MH302 uses patented techniques to realize +27 dBm Input IP3 at an LO drive level of +13 dBm when used in a simple application circuit with a low-side LO configuration. The LO can also be driven with higher power levels up +20 dBm to achieve higher IP3 performance. This mixer integrates internal circuitry to provide single-ended interfaces for the RF & LO ports. Typical applications include frequency up/down conversion, modulation and demodulation for receivers and transmitters used in 3G UMTS, PCS, and DCS1800 mobile infrastructure. Functional Diagram IF1 1 6 IF2 +27 dBm Input IP3 RF 1800 - 2000 MHz IF 200 - 300 MHz Low-side LO configuration +13 dBm LO Drive Level High L-I & L-R Isolation (>30 dB) Lead-free/green/RoHS-compliant GND 2 5 GND LO 3 MH302 4 RF 6-pin 3x3 mm DFN package * No External Bias Required Applications * 2.5G/3G GSM/CDMA/WCDMA Function IF Differential Input LO port RF port IF differential Input Ground Pin No. 1 3 4 6 2, 5 Specifications Parameters RF Frequency Range LO Frequency Range IF Frequency Range SSB Conversion Loss Input IP3 Input IP3 Input IP3 Input 1 dB Compression Point Noise Figure LO Input Drive Level LO-RF Isolation LO-IF Isolation Return Loss: RF Port Return Loss: LO Port Return Loss: IF Port 1. 2. 3. 4. 5. Units MHz MHz MHz dB dBm dBm dBm dBm dB dBm dB dB dB dB dB Minimum 1800 1540 200 +23 +26 +23 +16 Typical Maximum 2000 1740 300 8.0 Comments 28 29 260 7.5 +25 +27 +25 +18 8 +13 32 35 15 10 15 See note 2 See note 3 RF = 1.8 GHz, See note 4 RF = 1.9 GHz, See note 4 RF = 2.0 GHz, See note 4 See note 5 Data was taken using an application board in a 50 system, with a low side LO at +13 dBm in a downconverting application at 25 C with an IF frequency = 260 MHz. An IF frequency of 260 MHz is a nominal frequency. The IF frequency can be specified by the user within the constraints of the specified minimum and maximum RF & LO frequency range. The conversion loss includes the loss of an IF transformer (M/A COM ETK4-2T, nominal loss 0.7 dB at 260 MHz). Input IP3 is measured using two tones with an input power of +3 dBm / tone separated by 1 MHz. Although the input P1dB level is much higher, the continuous RF input power should not exceed +12 dBm. Operation above +12 dBm may cause permanent damage. Absolute Maximum Ratings Parameters Operating Case Temperature Storage Temperature LO Input Power RF Input Power -40 to +85 C -40 to +125 C +20 dBm +12 dBm Rating Ordering Information Part No. MH302-G MH302-PCB Description PCS/UMTS-band Quad-FET Mixer (lead-free/green/RoHS-compliant Package) Fully-Assembled MH302 Application Board Specifications and information are subject to change without notice Operation of this device above any of these parameters may cause permanent damage. WJ Communications, Inc * Phone 1-800-WJ1-4401 * FAX: 408-577-6621 * e-mail: sales@wj.com * Web site: www.wj.com Page 1 of 3 April 2006 MH302 Input IP3 vs RF Frequency +25 C, LO = +13 dBm 30 The Communications Edge TM Product Information PCS/UMTS-band Quad-FET Mixer Typical Performance Charts Input IP3 vs RF Frequency +25 C, IF = 260 MHz 35 45 Isolation vs LO Frequency 25 C, LO = +13 dBm Input IP3 (dBm) Input IP3 (dBm) 25 30 Isolation (dB) 40 L-I L-R 20 IF = 300 MHz IF = 260 MHz IF = 200 MHz 25 LO = +17 dBm LO = +15 dBm LO = +13 dBm LO = +11 dBm 1800 1900 2000 2100 35 15 20 30 10 1700 1800 1900 2000 2100 15 1700 25 1440 1540 1640 LO Frequency (MHz) 1740 1840 RF Frequency (MHz) RF Frequency (MHz) Conversion Loss vs RF Frequency +25 C, LO = +13 dBm 10 Conversion Loss (dB) Conversion Loss (dB) 9 8 7 6 5 1700 IF = 300 MHz IF = 260 MHz IF = 200 MHz 10 9 8 7 6 5 1700 Conversion Loss vs RF Frequency +25 C, IF = 260 MHz LO = LO = LO = LO = +11 dBm +13 dBm +15 dBm +17 dBm 1800 1900 2000 2100 1800 1900 2000 2100 RF Frequency (MHz) RF Frequency (MHz) Return Loss vs RF Frequency +25 C, IF = 260 MHz, LO = +13 dBm 0 LO Return Loss (dB) RF Return Loss (dB) -5 -10 -15 -20 -25 1750 0 -5 -10 -15 -20 -25 1440 Return Loss vs LO Frequency +25 C, LO = +13 dBm 0 IF Return Loss (dB) -5 -10 -15 -20 -25 200 Return Loss vs IF Frequency +25 C, RF = 1900 MHz, LO = +13 dBm 1800 1850 1900 1950 2000 2050 1540 1640 1740 1840 225 250 IF Frequency (MHz) 275 300 RF Frequency (MHz) LO Frequency (MHz) Application Circuit 3 2 6-lead 6-pin MLPM DFN 3 x 3 mm 1 T2 LO RF IF 4 5 6 M/A-Com E-Series, ETK4-2T RF 4:1 Transformer, 2.0 - 1000 MHz Specifications and information are subject to change without notice WJ Communications, Inc * Phone 1-800-WJ1-4401 * FAX: 408-577-6621 * e-mail: sales@wj.com * Web site: www.wj.com Page 2 of 3 April 2006 MH302 The Communications Edge TM Product Information PCS/UMTS-band Quad-FET Mixer MH302-G Mechanical Information This package is lead-free/Green/RoHS-compliant. The plating material on the leads is annealed matte tin over copper. It is compatible with both lead-free (maximum 260 C reflow temperature) and leaded (maximum 245 C reflow temperature) soldering processes. Package Information Product Marking The component will be laser marked with a model number "G302" designator exactly as shown followed by an assembly date code in location shown by "YYWW". A laser marked lot code will be in the location shown by "XXX" and is unique for every assembly lot. The obsolete tin-lead package is marked with an "M302" designator. Tape and reel specifications for this part are located on the website in the "Application Notes" section. WJ Communications, Inc * Phone 1-800-WJ1-4401 * FAX: 408-577-6621 * e-mail: sales@wj.com * Web site: www.wj.com G302 YYWW XXX G302 YYWW XXX * Functional Schematic Diagram LO 180o Two-Way Power Divider IF RF 180o Two-Way Power Divider MH302 ESD / MSL Information ESD Rating: Value: Test: Standard: MSL Rating: Standard: Class 1B Passes at 500 V Human Body Model (HBM) JEDEC Standard JESD22-A114 Level 1 at 260 C convection reflow JEDEC Standard J-STD-020 Specifications and information are subject to change without notice Page 3 of 3 April 2006 |
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