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C2304

Pacific Monolithics
Part Number C2304
Manufacturer Pacific Monolithics
Description MMDS / ISM / S-Band Downconverter
Published Sep 22, 2005
Detailed Description Pacific Wireless 2844 Mar Vista Dr. Suite 101 Aptos, CA 95003 TEL (831) 684-2474 FAX (831) 684-2494 www.pacwireless.com ...
Datasheet PDF File C2304 PDF File

C2304
C2304

Overview
Pacific Wireless 2844 Mar Vista Dr.
Suite 101 Aptos, CA 95003 TEL (831) 684-2474 FAX (831) 684-2494 www.
pacwireless.
com C2304.
.
DATA SHEET MMDS / ISM / S-Band Downconverter 1800 to 4800 MHz Operation Features • • • • • • • 1800 to 4800 MHz RF 10 to 900 MHz IF 26 dB Gain, 4dB Noise Figure Single 5V Supply 27 dBm Output IP3 Separate RF AMP, MIXER/LO AMP and IF AMP cells.
75 ohm IF output impedance RF IN VDD LO IN IF OUT RF OUT IF/RF IF IN IF BIAS Applications • • • • • 2.
4 GHz ISM Band Applications MMDS Downconverters Wireless Bridges Wireless Local Loop Systems S Band Receivers • • • • • Wireless LANS and WANS Point to Multipoint Receivers 2.
4GHz Consumer Applications Bluetooth Applications Upconverters Description The C2304 is a flexible high intercept and high gain down conversion GaAs MMIC packaged in a compact 14 pin SOIC package.
Each sub-circuit 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 type mixer.
The FET source of the IF amplifier stage (IF BIAS) is accessible for AC bypassing which allows for current reduction with DC source degeneration.
The gain and DC current is broken up as follows: RF AMP gain = 14dB, current = 22 mA; LO AMP gain = 11dB, current = 28ma; IF AMP gain = 18dB, current = 60 mA, 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.
Electrical Characteristics Typical Specifications for VDD=5.
0V TA=+25oC Minimum and Maximum specifications are guaranteed over RF range 2.
5GHz – 2.
68GHz Tested in 50Ω input / 75Ω output system, LO=2.
278GHz at 5dBm, using matching circuit shown on page 3.
Parameter Conversion Gain Single Sideband Noise Figure Output IP3 RF Input Return Loss IF Output Return Loss Symbol G NF IP3 S11 S2...


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