RF3334 - RF Micro Devices

RF3334 IF LOW NOISE AMPLIFIER/MIXER

The RF3334 is an IF LNA/Mixer suitable for downconversion of forward channel control data in a set-top box application. It consists of a single-ended 75 Ω terminated LNA, followed by a differential gain control stage with 30dB of analog gain control and a double-balanced mixer. The mixer load is available via pins 10 and 11 should an external filter be requi.

Features

• 30dB RF Gain Control
• 40dB IF Gain Control GND LOB
• 5dB Max. Noise Figure SSB
• LNA Input Internally Matched to 75 Ω 12 RFAGC 16 RFDEC 1 15 14 13 LO
• Single 5V Supply RFIN 2 11 MIXLOAD GND 3 IF AMP 10 MIXLOADB Ordering Information 9 GND 6 7 IFOUT 8 IFOUTB RF3334 RF3334 PCBA LNA Mixer Fully Assembled Evaluation Board IFVCC 4 5 IFSET IFSETB Functional Block Diagram RF Micro Devices, Inc. 7628 Thorndike Road Greensboro, NC 27409, USA Tel (336) 664 1233 Fax (336) 664 0454 http://www.rfmd.com Rev A5 031020 8-457 RF3334 Absolute Maximum Ratings Parameter Supply Voltage IF .