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| MH303 Product Features * * * * * * * The Communications Edge TM Product Information Cellular-band Quad-FET Mixer Product Description The MH303 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 MH303 uses patented techniques to realize +28 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 cellular-band 3G mobile infrastructure. Functional Diagram IF1 1 6 IF2 +28 dBm IIP3 RF 820 - 920 MHz IF 20 - 100 MHz Low-side LO configuration +13 dBm LO Drive Level High L-I & L-R Isolation (>38 dB) Lead-free/green/RoHS-compliant GND 2 5 GND LO 3 MH303 4 RF 6-pin 3x3 mm DFN package * No External Bias Required Applications * 2.5/3G GSM/CDMA/W-CDMA 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 820 720 20 +26 +27 +26 Typical Maximum 920 900 100 8.0 Comments 35 40 70 7.5 +27 +28 +27 +17.5 8 +13 38 44 18 12 10 See note 2 See note 3 RF = 820 MHz, See note 4 RF = 870 MHz, See note 4 RF = 920 MHz, See note 4 See note 5 LO freq = 750 - 850 MHz LO freq = 750 - 850 MHz 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 = 70 MHz. An IF frequency of 70 MHz is a nominal frequency. The IF frequency can be specified by the user within the constraints of the specified minimum and maximum RF and LO frequency range. The conversion loss includes the loss of an IF transformer (M/A COM ETC1-1-13, nominal loss 0.7 dB at 70 MHz). Input IP3 is measured with 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. MH303-G MH303-PCB Description Cellular-band Quad-FET Mixer (lead-free/green/RoHS-compliant package) Fully-Assembled MH303 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 MH303 Input IP3 vs RF Frequency +25 C, LO = +13 dBm 30 The Communications Edge TM Product Information Cellular-band Quad-FET Mixer Typical Performance Charts Input IP3 vs RF Frequency +25 C, IF = 70 MHz 35 50 L-I Isolation vs LO Frequency 25 C, LO = +13 dBm Input IP3 (dBm) Input IP3 (dBm) 20 IF = 100 MHz IF = 70 MHz IF = 50 MHz IF = 23 MHz Isolation (dB) 25 30 45 25 40 L-R 15 20 LO = +17 dBm LO = +15 dBm LO = +13 dBm LO = +11 dBm 35 10 770 820 870 920 970 RF Frequency (MHz) 15 770 820 870 920 970 RF Frequency (MHz) Conversion Loss vs RF Frequency +25 C, LO = +13 dBm 10 Conversion Loss (dB) Conversion Loss (dB) 9 8 7 6 5 770 820 870 920 970 RF Frequency (MHz) Return Loss vs RF Frequency +25 C, IF = 70 MHz, LO = +13 dBm 30 700 750 800 LO Frequency (MHz) 850 900 Conversion Loss vs RF Frequency +25 C, IF = 70 MHz 10 LO = +11 dBm LO = +13 dBm LO = +15 dBm LO = +17 dBm IF = 23 MHz IF = 50 MHz IF = 70 MHz IF = 100 MHz 9 8 7 6 5 770 820 870 920 970 RF Frequency (MHz) Return Loss vs LO Frequency +25 C, LO = +13 dBm Return Loss vs IF Frequency +25 C, RF = 870 MHz, LO = +13 dBm 0 IF Return Loss (dB) 0 LO Return Loss (dB) RF Return Loss (dB) -5 -10 -15 -20 -25 770 820 870 920 970 RF Frequency (MHz) 0 -5 -10 -15 -20 -25 700 750 800 850 900 LO Frequency (MHz) -5 -10 -15 -20 -25 20 40 60 IF Frequency (MHz) 80 100 Application Circuit 3 2 6-lead 6-pin MLPM DFN 3 x 3 mm 1 LO RF T2 IF 6 4 5 M/A-Com E-Series, ETC1-1-13 RF 1:1 Transformer, 4.5 - 3000 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 MH303 The Communications Edge TM Product Information Cellular-band Quad-FET Mixer MH303-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 "G303" 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 "M303" 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 G303 YYWW XXX G303 YYWW XXX * Functional Schematic Diagram LO 180o Two-Way Power Divider IF RF 180o Two-Way Power Divider MH303 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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