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Low Cost MMIC Mixer with Local Oscillator Amplifier, 0.8-1.0 GHz
MD57-0001
MD57-0001
Low Cost MMIC Mixer with Local Oscillator Amplifier, 0.8 GHz - 1.0 GHz
Features
* * * -5 to +5 dBm LO Drive Level High Isolation, 28 dB LO to RF Inexpensive SOT-26 Package
SOT-26
.114 .008 2,9 0,2 .075 .008 1,90 0,2
Description
The MD57-0001 is a floating FET mixer with an on-chip LO amplifier. The LO drive for the MD57-0001 can range from -5 to +5 dBm without severly impacting the mixer's performance. The MD57-0001 is ideally suited for cellular band communications handsets' that can provide only minimal amounts of LO drive. Typical applications include frequency up/down conversion and IQ modulation and demodulation in digital receivers and transmitters. The MD57-0001 utilizes a patented "floating-FET" architecture. The on-chip LO amplifier allows the MD57-0001 to operate with as little as -5 dBm of LO drive making it an ideal choice for low power portable designs. The MD57-0001 is fabricated using M/A-COM's 0.5 micron low noise GaAs MESFET process. This process features full passivation for increased performance and reliability. The MD57-0001 is 100% RF tested to ensure superior performance specification compliance.
+.008 .063 -.004 1,60 +0.20 -0.10
16XY
.110 .008 2,80 0,2
PIN # 1
.031+.004 -.007 0,79 +0.10 -0.18 .016 +.004 -.002 +0.10 0,40 -0.05
.002 .002 0,05 0,05
+.008 .043 -.004 +0.20 1,10 -0.10 +.004 .006 -.002 +0.10 0,15 -0.05 .008 MIN 0,20 MIN
Ordering Information
Part Number MD57-0001 MD57-0001TR MD57-0001SMB Package SOT-26, 6-Lead Plastic Package Forward Tape and Reel* Designer's Kit
*If a specific reel size is required, consult factory for part number.
Electrical Specifications
Parameters Conversion Loss Isolation
1
TA = +25C, RF = 900MHz (-15 dBm), LO = 730MHz (-5 dBm), IF = 170MHz, VDD = 2.7V, Typical IDD = 5mA
Abbv. Lc ISO Test Conditions -- LO to RF LO to IF RF to IF RF Port LO Port IF Port RF Freq. = 900 MHz, LO = -5 dBm Two tones at -10 dBm each; Tone spacing = 1 MHz, IF = 170 MHz Units dB dB dB dB -- -- -- dBm dBc Min. -- 20 10 -- -- -- -- -- -- Typ. 9.3 28 12 20 2.0:1 2.0:1 2.0:1 14 59 Max. 11 -- -- -- -- -- -- -- --
VSWR
VSWR
Input 1 dB Compression 1 Two Tone IM Ratio
P1dB dBc
1. IMR vs. RF drive can be calculated by the formula: IMR = [44 - 1.5(PIN)]
V2.00 M/A-COM Division of AMP Incorporated s North America: Tel. (800) 366-2266, Fax (800) 618-8883 s Asia/Pacific: Tel.+85 2 2111 8088, Fax +85 2 2111 8087 s Europe: Tel. +44 (1344) 869 595, Fax+44 (1344) 300 020
www.macom.com
AMP and Connecting at a Higher Level are trademarks. Specifications subject to change without notice.
Low Cost MMIC Mixer with Local Oscillator Amplifier, 0.8-1.0 GHz
MD57-0001
Absolute Maximum Ratings
Parameter 2 Input RF/IF Power 2 Input LO Power 2 Operating Voltages Operating Temperature Storage Temperature
1,3
Functional Block Diagram
RF
C2 R1 L1 3 L2 4 C4 C3 2 5 1 6 C1
Ratings +27 dBm +17 dBm VDD = +6 volts -30C to +80C -65C to +150C
IF
1. Exceeding these limits may cause permanent damage. 2. Ambient Temperature (TA) = + 25C. 3. Typical Thermal Resistance (jc) = 108C/W at nomial bias condition.
VDD
LO
Pin Configuration
Pin No. 1 2 3 4 5 6 Pin Name RF Port Bias LO Port VDD GND IF Port Description RF Input/Output LO Amplifier Bias Resistor LO Input LO Amplifier VDD Ground IF Input/Output
External Circuitry Parts List
Part Name R1 L1 L2 C1 C2 C3 C4 Description LO Amplifier Bias Resistor LO Amplifier Bias Input LO Port Matching IF Port Matching IF Bypass Capacitor RF Bypass Capacitor VDD Bypass Value 200 22 nH 10 nH 10 nF 10 nF 22 pF 47 pF
Recommended PCB Configuration
Layout View Cross Section View
RF Traces & Components RF Ground DC Routing
Customer Defined
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 thickness is 1 oz. Copper.
V2.00 M/A-COM Division of AMP Incorporated s North America: Tel. (800) 366-2266, Fax (800) 618-8883 s Asia/Pacific: Tel.+85 2 2111 8088, Fax +85 2 2111 8087 s Europe: Tel. +44 (1344) 869 595, Fax+44 (1344) 300 020
www.macom.com
AMP and Connecting at a Higher Level are trademarks. Specifications subject to change without notice.
Low Cost MMIC Mixer with Local Oscillator Amplifier, 0.8-1.0 GHz
MD57-0001
Spurious Table (dBc)
LO Harmonic (n) 0X 1X 2X 3X 4X -10 dBm 0 dBm -10 dBm 0 dBm -10 dBm 0 dBm -10 dBm 0 dBm -10 dBm 0 dBm 0X X X 13.8 22.9 10.8 20.4 12.1 22.7 13.6 24.0 RF Harmonic (m) 1X 2X 3X 4.1 44.9 69.5 3.9 31.9 48.4 0 47.6 82.0 0 35.1 73.0 18.9 46.5 70.6 18.9 36.6 55.9 23.8 41.5 76.9 23.8 31.0 63.1 50.9 68.5 64.5 49.4 58.9 45.4 4X 79.7 70.0 76.6 83.8 78.0 84.0 77.1 74.0 80.6 63.4
* * * *
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 level. The lower frequency mixing term is shown for two different RF input levels. The RF frequency is 900 MHz, the LO frequency is 730 MHz.
[nFRF - mFLO] [nFRF - mFLO] RF = -10 dBm RF = 0 dBm
Typical Performance Data
* Down Converter Application Test Conditions: RF=900 MHz, IF=170 MHz, LO=730 MHz (LO Power = -5dBm)
Conversion Loss vs. Frequency (IF = 170 MHz)
8 Conversion Loss (dB) 9 10 11 12 800
Return Loss vs. Frequency
5 4
VSWR
RF LO
3 2 1 0 600 700 800
Frequency (MHz)
850
900 RF Frequency (MHz)
950
1000
900
1000
30 Input IP3 (dBm) 25 20 15
IMR Plot
60 50 Isolation (dB) 40 30 20 10
Isolations
LO to IF RF to IF LO to RF
10 800
850
900 950 RF Frequency (MHz)
1000
0 600
700
800 Frequency (MHz)
900
1000
V2.00 M/A-COM Division of AMP Incorporated s North America: Tel. (800) 366-2266, Fax (800) 618-8883 s Asia/Pacific: Tel.+85 2 2111 8088, Fax +85 2 2111 8087 s Europe: Tel. +44 (1344) 869 595, Fax+44 (1344) 300 020
www.macom.com
AMP and Connecting at a Higher Level are trademarks. Specifications subject to change without notice.
Low Cost MMIC Mixer with Local Oscillator Amplifier, 0.8-1.0 GHz
MD57-0001
Designer's Kit MD57-0001SMB
The MD57-0001SMB Designer's Kit allows for immediate evaluation of M/A-COM's MD57-0001. The Designer's Kit consists of an MD57-0001, an evaluation board, a floppy disk containing typical performance data and a DXF file of the recommended PCB layout. The evaluation board consists of the recommended external surface mount circuitry and RF connectors mounted to a multi-layer PCB. The MD57-0001SMB evaluation PCB is shown below with all functional ports labeled.
Evaluation PCB and RF Connector Losses
Port Reference RF Port LO Port IF Port Approximate RF Loss 0.14 dB @ 900 MHz 0.14 dB @ 730 MHz 0.04 dB @ 170 MHz
MD57-0001SMB Evaluation PCB
MSOP-8
AV10328 REV A
IF
RF LO
13579 V DD GND 2 4 6 8 10
V2.00 M/A-COM Division of AMP Incorporated s North America: Tel. (800) 366-2266, Fax (800) 618-8883 s Asia/Pacific: Tel.+85 2 2111 8088, Fax +85 2 2111 8087 s Europe: Tel. +44 (1344) 869 595, Fax+44 (1344) 300 020
www.macom.com
AMP and Connecting at a Higher Level are trademarks. Specifications subject to change without notice.

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