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| MH205A Product Features * * * * * * * +35 dBm Input IP3 7 dB Conversion Loss RF: 800 - 960 MHz LO: 700 - 890 MHz IF: 70 - 120 MHz +17 dBm Drive Level Lead-free / RoHS-compliant / Green SOIC-8 package * No External Bias Required The Communications Edge TM Product Information High Linearity Cellular-Band MMIC Mixer Product Description The MH205A is a passive GaAs MESFET mixer that provides high dynamic range performance in a low-cost lead-free/green/RoHS-compliant SOIC-8 package. WJ's MH205A uses patented techniques to realize +35 dBm Input IP3 at an LO drive level of +17 dBm and can be used for upconverting or downconverting low-side LO applications. 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 GSM/CDMA/wCDMA mobile infrastructure in the cellular frequency band. Functional Diagram MH205A 1 2 3 4 8 7 6 5 Applications * 2.5G and 3G GSM/CDMA/ wCDMA Mobile Infrastructure Function LO IF & RF* GND N/C or GND Pin No. 2 7 1, 3, 4, 6, 8 5 * External components (inductors & capacitors) are required to diplex the signal Specifications Parameters RF Frequency Range LO Frequency Range IF Frequency Range SSB Conversion Loss Noise Figure Input IP3 Input P1dB LO - RF Isolation LO - IF Isolation RF - IF Isolation Return Loss: RF Port Return Loss: IF Port Return Loss: LO Port LO Drive Level Units MHz MHz MHz dB dB dBm dBm dB dB dB dB dB dB dBm Min Typ 800 - 960 700 - 890 70 - 120 7 7.5 +35 +18 37 55 15 15 16 11 +17 Max Comments 9.5 +28 30 47 See note 1 See note 2 See notes 1 and 3 See note 4 See note 4 1. Test conditions unless otherwise noted: RF / IF = 803 / 70 and 963 / 70 with a low-side LO at +17 dBm in a downconverting application at 25 C. The diplexer shown on the application circuit is used in the test fixture. 2. Assumes LO injection noise is filtered at the thermal noise floor, -174 dBm/Hz, at the RF, IF, and Image frequencies. 3. IIP3 is measured with f = 1 MHz with RFin = 0 dBm / tone. 4. The return loss is measured after the diplexer which splits the RF and IF signals from the mixer. Absolute Maximum Rating Parameter Operating Case Temperature Storage Temperature LO Power Input IF / RF Power -40 to +85 C -65 to +100 C +21 dBm +20 dBm Rating Ordering Information Part No. MH205A-G MH205A-PCB Description High Dynamic Range Cellular-band MMIC Mixer (lead-free/green/RoHS-compliant SOIC-8 package) Fully-Assembled Mixer 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 4 April 2006 MH205A MH205A LO The Communications Edge TM Product Information High Linearity Cellular-Band MMIC Mixer Typical Downconversion Performance Plots Performance using the circuitry on the MH205A-PCB Evaluation Board L1 27 nH PIN 2 PIN 7 IF C2 5.6 pF RF L2 15 nH C1 12 pF Circuit Board Material: .014" FR-4, 4 layers, .062" total thickness All passive components are 0402 size. All other pins on mixer are grounded. Input IP3 vs RF Frequency vs Temperature Low-side Downconversion, LO = +17 dBm, IF = 70 MHz Input IP3 vs RF Frequency vs IF Frequency Low-side Downconversion, LO = +17 dBm, 25 C Input IP3 vs RF Frequency vs LO Power Low-side Downconversion, IF = 70 MHz, 25 C 38 In p u t IP 3 (d B m ) In p u t IP 3 (d B m ) 36 34 32 30 28 750 800 850 900 950 1000 38 In p u t IP 3 (d B m ) 36 34 32 30 28 750 800 850 900 950 1000 38 36 34 32 30 28 750 800 850 900 LO = 15 dBm LO = 17 dBm LO = 19 dBm IF = 70 MHz IF = 120 MHz -40 C +25 C +85 C 950 1000 RF Frequency (MHz) Conv. Loss vs RF Frequency vs IF Frequency Low-side Downconversion, LO = +17 dBm, 25 C RF Frequency (MHz) Conv. Loss vs RF Frequency vs Temperature Low-side Downconversion, LO = +17 dBm, IF = 70 MHz RF Frequency (MHz) Conv. Loss vs RF Frequency vs LO Power Low-side Downconversion, IF = 70 MHz, 25 C 9 C o n v e rs io n L o s s (d B ) C o n v e rs io n L o s s (d B ) 8 7 6 5 4 750 800 850 900 950 1000 9 8 7 6 5 4 750 800 850 900 950 1000 9 C o n v e rs io n L o s s (d B ) 8 7 6 5 4 750 800 850 900 950 1000 IF = 70 MHz IF = 120 MHz -40 C +25 C +85 C LO = 15 dBm LO = 17 dBm LO = 19 dBm RF Frequency (MHz) RF Frequency (MHz) RF Frequency (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 4 April 2006 MH205A LO Return Loss LO = +17 dBm, 25 C The Communications Edge TM Product Information High Linearity Cellular-Band MMIC Mixer Typical Downconversion Performance Plots (cont'd) Performance using the circuitry on the MH205A-PCB Evaluation Board RF Return Loss LO = +17 dBm, 25 C IF Return Loss LO = +17 dBm, 25 C 0 L O R e tu rn L o s s (d B ) R F R e tu rn L o s s (d B ) -5 -10 -15 -20 -25 700 0 -5 -10 -15 -20 -25 750 IF R e tu rn L o s s (d B ) 0 -5 -10 -15 -20 -25 800 850 900 950 RF Frequency (MHz) 1000 70 80 90 100 110 IF Frequency (MHz) 120 RF = 800 MHz RF = 900 MHz 750 800 LO Frequency (MHz) 850 L-R Isolation vs Temperature 50 L -R Is o la tio n (d B ) 40 30 -40 C 20 10 650 +25 C +85 C 700 750 800 850 LO Frequency (MHz) 900 30 650 L -I Is o la tio n (d B ) 70 60 50 40 L-I Isolation vs Temperature -40 C +25 C +85 C 700 750 800 850 LO Frequency (MHz) 900 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 3 of 4 April 2006 MH205A The Communications Edge TM Product Information High Linearity Cellular-Band MMIC Mixer This package is lead-free/green/RoHS-compliant. The plating material on the leads is NiPdAu. It is compatible with both lead-free (maximum 260 C reflow temperature) and lead (maximum 245 C reflow temperature) soldering processes. MH205A-G (Lead-Free/Green SOIC-8 Package) Mechanical Information Outline Drawing Product Marking The component will be marked with an "MH205A-G" designator with an alphanumeric lot code on the top surface of the package. The obsolete tin-lead package is marked with an "M205A" designator with an alpha numeric lot code. Tape and reel specifications for this part are located on the website in the "Application Notes" section. ESD / MSL Information ESD Rating: Value: Test: Standard: ESD Rating: Value: Test: Standard: Class 1B Passes 500V to <1000 V Human Body Model (HBM) JEDEC Standard JESD22-A114 Class III Passes 500 V to <1000 V Charged Device Model (CDM) JEDEC Standard JESD22-C101 Land Pattern / Mounting Configuration MSL Rating: Level 2 at +260 C convection reflow Standard: JEDEC Standard J-STD-020 Functional Pin Layout MH205A 1 2 3 4 8 7 6 5 Pin Function 1 Ground 2 LO Port 3 Ground 4 Ground 5 No Connect / Ground 6 Ground 7 RF / IF Port* 8 Ground * External components (inductors & capacitors) are required to diplex the signal 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 4 of 4 April 2006 |
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