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F2480 Datasheet(PDF) 1 Page - Renesas Technology Corp |
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F2480 Datasheet(HTML) 1 Page - Renesas Technology Corp |
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1 / 35 page  Broadband RF Analog VGA 400 to 3000 MHz F2480 Datasheet © 2017 Integrated Device Technology, Inc. 1 March23,2017 Description The F2480 is a 400 to 3000 MHz RF Analog Variable Gain Amplifier (AVGA) that can be used in receivers, transmitters and other applications. Either the amplifier or voltage variable attenuator (VVA) can be configured as the first stage in the cascade. The F2480 RF AVGA provides 12dB typical maximum cascade gain (no attenuation) with 4.3dB noise figure (amplifier as first stage) and 36dB gain adjustment designed to operate with a single +5V supply. Nominally, the amplifier offers +41.5dBm output IP3 using 106mA of ICC. This device is packaged in a 5 x 5 mm, 32-pin TQFN with 50 single-ended RF input and RF output impedances for ease of integration into the signal-path lineup. Competitive Advantage The F2480 RF AVGA provides very high-performance by combining a silicon VVA & a Zero-Distortion™ RF amplifier in a single, compact TQFN package. Because of the superb VVA IP3 performance over its full attenuation range, the VVA can be placed after the amplifier while yielding the desired cascaded OIP3 performance. Utilizing IDT’s technology, the resultant RF AVGA provides +41.5dBm OIP3 performance at 900MHz. The device is internally matched so there is no need to optimize external matching elements. Typical Applications Multi-mode, Multi-carrier Receivers PCS1900 Base Stations DCS1800 Base Stations WiMAX and LTE Base Stations UMTS/WCDMA 3G Base Stations PHS/PAS Base Stations Point to Point Infrastructure Public Safety Infrastructure Broadband Repeaters GPS Receivers Distributed Antenna Systems Cable Infrastructure Digital Radio Features 400 to 3000 MHz (Amplifier Range) 50 to 6000 MHz (Attenuator Range) 12dB typical cascaded max gain 36dB continuous gain range Excellent linearity +41.5dBm OIP3 Noise Figure 4.3dB ICC = 106mA 1.2mA Amplifier Standby Current Bi-directional attenuator RF ports Positive amplifier gain slope vs. frequency to counteract system PCB loss. VMODE pin allows either positive or negative attenuation control response Linear-in-dB attenuation characteristic 4 RF Port pinout supporting multiple lineup configurations 50 input and output impedances Broadband, Internally Matched 5 x 5 mm, 32-pin TQFN package Block Diagram Figure 1. Block Diagram RFAMP_IN Zero-Distortion TM Zero-Distortion TM Bias Control VCC STBY IBIAS 2 Band_Select VCTRL ATTN_RF2 RFAMP_OUT ATTN_RF1 VMODE |
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