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MH303

ETC
Part Number MH303
Manufacturer ETC
Description Cellular-band Quad-FET Mixer
Published Apr 27, 2005
Detailed Description MH303 Product Features • • • • • • • The Communications Edge TM Cellular-band Quad-FET Mixer Product Information Pro...
Datasheet PDF File MH303 PDF File

MH303
MH303

Overview
MH303 Product Features • • • • • • • The Communications Edge TM Cellular-band Quad-FET Mixer Product Information Product Description The MH303 is a passive Quad-MOSFET mixer that provides high dynamic range performance in a low cost 3x3 mm 6-pin DFN (Dual Flat No-Lead) leadfree/green/RoHS-compliant package.
WJ’s MH303 uses patented techniques to realize +28 dBm Input IP3 at an LO drive level of +13 dBm when used in a simple application circuit with a low-side LO configuration.
The LO can also be driven with higher power levels up +20 dBm to achieve higher IP3 performance.
This mixer integrates internal circuitry to provide single-ended interfaces for the RF & LO ports.
Typical applications include frequency up/down conversion, modulation and demodulation for receivers and transmitters used in cellular-band 3G mobile infrastructure.
Functional Diagram IF1 1 6 IF2 +28 dBm IIP3 RF 820 – 920 MHz IF 20 – 100 MHz Low-side LO configuration +13 dBm LO Drive Level High L-I & L-R Isolation (>38 dB) 6-pin 3x3 mm DFN lead-free/ green/RoHS-compliant Package • No External Bias Required GND 2 5 GND LO 3 MH303 4 RF Function IF Differential Input LO port RF port IF differential Input Ground Pin No.
1 3 4 6 2, 5 Specifications Parameters RF Frequency Range LO Frequency Range IF Frequency Range SSB Conversion Loss Input IP3 Input IP3 Input IP3 Input 1 dB Compression Point Noise Figure LO Input Drive Level LO-RF Isolation LO-IF Isolation Return Loss: RF Port Return Loss: LO Port Return Loss: IF Port 1.
2.
3.
4.
5.
Units MHz MHz MHz dB dBm dBm dBm dBm dB dBm dB dB dB dB dB Minimum 820 720 20 +26 +27 +26 Typical Maximum 920 900 100 8.
0 Comments 35 40 70 7.
5 +27 +28 +27 +17.
5 8 +13 38 44 18 12 10 See note 2 See note 3 RF = 820 MHz, See note 4 RF = 870 MHz, See note 4 RF = 920 MHz, See note 4 See note 5 LO freq = 750 – 850 MHz LO freq = 750 – 850 MHz Data was taken using an application board in a 50 Ω system, with a low side LO at +13 dBm in a downconverting app...


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