MMDS / ISM / S-Band Mixer
Description
Pacific Wireless
2844 Mar Vista Dr.
Suite 101 Aptos, CA 95003 TEL (831) 684-2474 FAX (831) 684-2494 www.
pacwireless.
com
C2306.
.
DATA SHEET
MMDS / ISM / S-Band Mixer 1800 to 4800 MHz Operation
Features
• • • • • • 10 dB Gain 10 to 900 MHz Integrated IF Amplifier Single 5V Supply 26 dBm Output IP3 Separate MIXER/LO AMP and IF AMP cells.
75 ohm IF output impedance
VDD LO IN
IF/RF IF OUT
IF IN
IF BIAS
Applications
• • • • 2.
4 GHz ISM Band Applications MMDS Downconverters MMDS Upconverters Bluetooth Applications • • • • Wireless Local Loop Systems Wireless LANS and WANS Wireless Internet Systems Wireless T1 Data Link Equipment
Description
The C2306 is a flexible, high intercept, frequency conversion GaAs MMIC packaged in a 14 pin SOIC package.
The MMIC is usable as an upconverter or downconverter mixer.
Each subcircuit is brought out on separate pins to allow for custom filtering on the IF/RF mixer interstage or custom matching for specific bands.
Broadband parallel feedback networks are used on the gain and LO driver stages and the mixer is a singly balanced two diode mixer.
The FET source of the IF amplifier stage (IF BIAS) is accessible for AC bypassing which allows for current reduction with self bias circuitry.
The gain and DC current is broken up as follows: LO AMP gain = 11dB; current = 27 mA, IF AMP gain = 17dB, current = 60mA, Mixer conversion loss = 6dB.
Simple external matching circuits can be implemented for all ports to achieve VSWR’s < 2:1 over moderate bandwidths of less than 400MHz.
Page 2
C2306
Electrical Characteristics
Typical Specifications for VDD=5.
0V TA=+25oC Minimum and Maximum specifications are guaranteed over RF range 2.
50GHz – 2.
68GHz Tested in 50Ω input / 75Ω output system, LO=2.
278GHz at 5dBm, using matching circuit shown on page 2.
Parameter
Conversion Gain Single Sideband Noise Figure Output IP3 IF Output Return Loss LO Input Return Loss Output Power at 1dB Comp.
Operating Drain Current LO IN to IF OUT Isolation Load VSWR for Inp...
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