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MH203A-PCB

更新时间： 2024-11-15 03:49:31
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High Linearity Cellular-Band MMIC Mixer

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MH203A-PCB 数据手册

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The Communications Edge TM  
MH203A  
High Linearity Cellular-Band MMIC Mixer  
Product Information  
Product Features  
Product Description  
Functional Diagram  
The MH203A 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  
MH203A uses patented techniques to realize +34 dBm  
Input IP3 at an LO drive level of +17 dBm and can be used  
for upconverting or downconverting high-side LO  
applications. This single monolithic integrated circuit does  
not require any external baluns or bias elements.  
• +34 dBm Input IP3  
1
2
3
4
8
7
6
5
• 7.3 dB Conversion Loss  
• RF: 800 – 960 MHz  
• LO: 1000 – 1310 MHz  
• IF:  
70 – 350 MHz  
• +17 dBm Drive Level  
• Lead-free / RoHS-compliant /  
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.  
Function  
LO  
Pin No.  
Green SOIC-8 package  
2
7
IF & RF*  
GND  
• No External Bias Required  
1, 3, 4, 6, 8  
5
N/C or GND  
Applications  
* External components (inductors & capacitors) are  
required to diplex the signal  
• 2.5G and 3G GSM/CDMA/  
wCDMA Mobile Infrastructure  
Specifications  
Parameters  
RF Frequency Range  
LO Frequency Range  
IF Frequency Range  
SSB Conversion Loss  
Noise Figure  
Units  
Min  
Typ  
800 – 960  
1000 – 1310  
70 – 350  
7.3  
Max  
Comments  
MHz  
MHz  
MHz  
dB  
8.5  
9.0  
See note 1  
See note 2  
dB  
7.8  
Input IP3  
Input IP3  
Input P1dB  
dBm  
dBm  
dBm  
dB  
dB  
dB  
dB  
dB  
dB  
dB  
+28  
+30  
RF=900-960MHz, IF>300MHz, See note 3  
All other RF/IF combinations, See notes 1 and 3  
+31.5  
+34  
+17.5  
35  
30  
60  
25  
20  
23  
15  
2*LO – RF Isolation  
LO – RF Isolation  
LO – IF Isolation  
RF – IF Isolation  
Return Loss: RF Port  
Return Loss: IF Port  
Return Loss: LO Port  
LO Drive Level  
Referenced to the LO level at the RF port  
25  
50  
10  
10  
10  
See note 4  
See note 4  
LO=1064-1089MHz, See note 5  
dBm  
+17  
1. Test conditions unless otherwise noted: RF / IF = 803 / 200, 963 / 200, and 963 / 350 MHz with a high-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 Δf = 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.  
5. The minimum LO port return loss is 9 dB for LO=1000-1064MHz and LO=1089-1310MHz.  
Absolute Maximum Rating  
Ordering Information  
Parameter  
Rating  
-40 to +85 °C  
-65 to +100 °C  
+21 dBm  
Operating Case Temperature  
Storage Temperature  
LO Power  
Part No.  
MH203A-G  
Description  
High Dynamic Range Cellular-band MMIC Mixer  
(lead-free/green/RoHS-compliant SOIC-8 package)  
MH203A-PCB Fully-Assembled Mixer Application Board  
Input IF / RF Power  
+20 dBm  
Operation of this device above any of these parameters may cause permanent damage.  
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 1 of 4 April 2006  
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