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PDF MH205A Data sheet ( Hoja de datos )
| Número de pieza | MH205A | |
| Descripción | High Linearity Cellular-Band MMIC Mixer | |
| Fabricantes | WJ Communication | |
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MH205A
High Linearity Cellular-Band MMIC Mixer
The Communications Edge TM
Product Information
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
Applications
• 2.5G and 3G GSM/CDMA/
wCDMA Mobile Infrastructure
Product Description
Functional Diagram
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.
1
2
3
4
8
7
6
5
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
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
+28
30
47
Typ
800 – 960
700 – 890
70 – 120
7
7.5
+35
+18
37
55
15
15
16
11
+17
Max
9.5
Comments
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 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.
Absolute Maximum Rating
Parameter
Operating Case Temperature
Storage Temperature
LO Power
Input IF / RF Power
Rating
-40 to +85 °C
-65 to +100 °C
+21 dBm
+20 dBm
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
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: [email protected] • Web site: www.wj.com
Page 1 of 4 April 2006
1 page | ||
| Páginas | Total 4 Páginas | |
| PDF Descargar | [ Datasheet MH205A.PDF ] | |
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