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MAMXSS0012
Low Cost MMIC Mixer 800 - 1000 MHz
Features
* * * * * * * * * * Input Power @ 1 dB Compression: +15 dBm High LO to RF Isolation: 35 dB LO Drive Level: +3 to +8 dBm DC - 200 MHz 3 dB IF Bandwidth Does not require DC bias Lead-Free SOT-25 Package 100% Matte Tin Plating over Copper Halogen-Free "Green" Mold Compound 260C Reflow Compatible RoHS* Compliant Version of MD54-0005 Rev. V1
Functional Schematic
C1
L1 R1
3
2
1
Description
M/A-COM's MAMXSS0012 is a passive mixer that achieves the performance of a double balanced diode mixer in a lead-free SOT-25 package. The MAMXSS0012 is ideally suited for use where high level RF signals and very wide dynamic range are required. Typical applications include frequency up/ down conversion, modulation, and demodulation in receivers and transmitters for base station and portable systems. The MAMXSS0012 employs GaAs FETs as mixing elements to achieve a very wide dynamic range in a low cost plastic package. The mixer operates with LO drive levels of +3 dBm to +8 dBm. The LO port may be externally tuned for operation in various frequency bands. M/A-COM's GaAs IC is fabricated using a mature 0.5 micron gate length GaAs MESFET process. The process features full passivation for increased performance and reliability.
4
5
Pin Configuration
Pin No.
1 2 3
Function
LO Ground Ground
Pin No.
4 5
Function
RF IF
External Circuitry Parts List 2
Ref. Designation
R1 L1
LO = 840 MHz
820 Ohms 22 nH 3.3 pF
LO = 900 MHz
820 Ohms 18 nH 4 pF
Ordering Information 1
Part Number
MAMXSS0012 MAMXSS0012TR-3000 MAMXSS0012SMB
C1
Package
Bulk Packaging 3000 piece reel Designers Kit
2. All off-chip components are low-cost surface mount components obtainable from multiple sources (0.060 in. x 0.030 in. or 0.080 in. x 0.050 in.).
1. Reference Application Note M513 for reel size information.
* Restrictions on Hazardous Substances, European Union Directive 2002/95/EC. 1
ADVANCED: Data Sheets contain information regarding a product M/A-COM Technology Solutions * North America Tel: 800.366.2266 / Fax: 978.366.2266 is considering for development. Performance is based on target specifications, simulated results, * Europe Tel: 44.1908.574.200 / Fax: 44.1908.574.300 and/or prototype measurements. Commitment to develop is not guaranteed. * Asia/Pacific Tel: 81.44.844.8296 / Fax: 81.44.844.8298 PRELIMINARY: Data Sheets contain information regarding a product M/A-COM Technology Visit www.macomtech.com for additional data sheets and product information. Solutions has under development. Performance is based on engineering tests. Specifications are typical. Mechanical outline has been fixed. Engineering samples and/or test data may be available. M/A-COM Technology Solutions Inc. and its affiliates reserve the right to make Commitment to produce in volume is not guaranteed.
changes to the product(s) or information contained herein without notice.
MAMXSS0012
Low Cost MMIC Mixer 800 - 1000 MHz
Parameter
Conversion Loss Isolation
Rev. V1
Electrical Specifications: RF=900 MHz (-10 dBm), LO=840 MHz (+5 dBm), IF=60 MHz, TA = 25C
Test Conditions
-- LO to RF LO to IF RF to IF RF Port LO Port2 IF Port RF Freq. = 900 MHz, LO = +5 dBm Two tones at -10 dBm each, Tone spacing = 100 KHz, IF = 60 MHz
Units
dB dB dB dB Ratio Ratio Ratio dBm dBc
Min.
-- -- -- -- -- -- -- -- --
Typ.
8.0 35 25 20 2.0:1 2.0:1 2.0:1 15 55
Max.
9.0 -- -- -- -- -- -- -- --
VSWR Input 1 dB Compression Two-Tone IM Ratio4
3. With external LO Port matching. See functional schematic. 4. IMR vs. RF Drive can be calculated by the formula: IMR = 40-1.5* PIN
Absolute Maximum Ratings 5,6
Parameter
RF Input Power Low Drive Power Storage Temperature Operating Temperature
Spurious Table
4x 3x Harmonic of LO 2x 1x 0x
23.0 10.6 34.1 21.3 17.7 6.6 14.3 4.0 X X 36.5 39.9 21.6 21.8 44.0 44.8 0 0 13.9 13.4 53.8 56.1 53.9 57.6 51.6 55.5 57.0 57.6 50.2 53.1 63.8 58.3 53.4 59.3 65.2 58.4 63.7 56.3 59.1 56.5 68.6 58.8 67.3 57.2 66.2 56.3 67.0 56.9 67.2 57.1
Absolute Maximum
+27 dBm +27 dBm -65C to +150C -40C to +85C
5. Exceeding any one or combination of these limits may cause permanent damage to this device. 6. M/A-COM does not recommend sustained operation near these survivability limits.
0x
1x
2x
3x
4x
Lead-Free SOT-25 Plastic Package
Harmonic of RF
The spurious table shows the spurious signals resulting from the mixing of the RF and LO input signals, assuming down conversion. Mixing products are indicated relative to the IF. The lower frequency mixing term is shown for two different RF input levels. The top number is for an RF input power of 0 dBm, the lower number is for -10 dBm. |nFRF - mFLO |, RF = 0 dBm |nFRF - mFLO |, RF = -10 dBm RF Frequency = 900 MHz LO Frequency = 840 MHz
Reference Application Note M538 for lead-free solder reflow recommendations. 2
ADVANCED: Data Sheets contain information regarding a product M/A-COM Technology Solutions * North America Tel: 800.366.2266 / Fax: 978.366.2266 is considering for development. Performance is based on target specifications, simulated results, * Europe Tel: 44.1908.574.200 / Fax: 44.1908.574.300 and/or prototype measurements. Commitment to develop is not guaranteed. * Asia/Pacific Tel: 81.44.844.8296 / Fax: 81.44.844.8298 PRELIMINARY: Data Sheets contain information regarding a product M/A-COM Technology Visit www.macomtech.com for additional data sheets and product information. Solutions has under development. Performance is based on engineering tests. Specifications are typical. Mechanical outline has been fixed. Engineering samples and/or test data may be available. M/A-COM Technology Solutions Inc. and its affiliates reserve the right to make Commitment to produce in volume is not guaranteed.
changes to the product(s) or information contained herein without notice.
MAMXSS0012
Low Cost MMIC Mixer 800 - 1000 MHz
Recommended PCB Configuration
Layout View
Rev. V1
Cross Section View
The PCB dielectric between RF traces and RF ground layers should be chosen to reduce RF discontinuities between 50 lines and package pins. M/A-COM recommends an FR-4 dielectric thickness of 0.008" (0.2 mm) yielding a 50 line width of 0.015" (0.38 mm). The recommended metalization is 1 oz. copper.
Typical Performance Curves
* *
Test Conditions for Down Converter Application: RF=900 MHz (-10 dBm), IF=60 MHz, LO=840 MHz (+5 dBm), LO Port match shown herein. Test Conditions for Up Converter Application: LO=840 MHz (+5 dBm), IF=60 MHz (-10 dBm), RF=900 MHz, LO Port match shown herein.
Conversion Loss
11.0
VSWR
5.0
RF LO
10.0
4.0
9.0
3.0
8.0
2.0
7.0 800
850
900
950
1000
1.0 800
850
900
950
1000
RF Frequency (MHz)
RF Frequency (MHz)
Two-Tone IMR
80
Isolation
50
LO to RF LO to IF RF to IF
RF = -10 dBm each tone
40
60
30
40
20
20
10
0 800
850
900
950
1000
0 800
850
900
950
1000
3
RF Frequency (MHz)
RF Frequency (MHz)
ADVANCED: Data Sheets contain information regarding a product M/A-COM Technology Solutions * North America Tel: 800.366.2266 / Fax: 978.366.2266 is considering for development. Performance is based on target specifications, simulated results, * Europe Tel: 44.1908.574.200 / Fax: 44.1908.574.300 and/or prototype measurements. Commitment to develop is not guaranteed. * Asia/Pacific Tel: 81.44.844.8296 / Fax: 81.44.844.8298 PRELIMINARY: Data Sheets contain information regarding a product M/A-COM Technology Visit www.macomtech.com for additional data sheets and product information. Solutions has under development. Performance is based on engineering tests. Specifications are typical. Mechanical outline has been fixed. Engineering samples and/or test data may be available. M/A-COM Technology Solutions Inc. and its affiliates reserve the right to make Commitment to produce in volume is not guaranteed.
changes to the product(s) or information contained herein without notice.

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