QPB8958 75 34dB CATV Amplifier 50 - 1003MHz Product Overview The QPB8958 is a GaAs pHEMT/MESFET 75-ohm push-pull RF amplifier IC featuring over 34dB of flat gain and low noise. This IC is designed to support applications up to 1003MHz using a single 24V supply. The QPB8958 offers low noise and low distortion at high efficiency consuming only 5.8W in a 5x7 QFN package. Its compact size and low jc enable integration that is ideally suited for hybrid module applications. 40 pin 5x7 QFN Package Functional Block Diagram Key Features High Gain: 34dB 1003MHz Adjustable Bias 50 - 1003 MHz BW 46dBmV/ch flat tilt Low Noise: 4.5dB Excellent Composite Distortion pHEMT / MESFET device technologies Compact Size: 40P 5x7 QFN Power Consumption (24V, 260mA 5.8W) Applications DOCSIS 3.0 Broadband CATV hybrid modules Head End CMTS Equipment 75-ohm amplifiers Ordering Information Part No. Description QPB8958SB Sample bag with 5 pieces QPB8958SR 7 Reel with 100 pieces QPB8958TR13 13 Reel with 2500 pieces QPB8958EVB 471003MHz PCBA Data Sheet Rev. G, August 5, 2021 - 1 of 14 - www.qorvo.com Subject to change without notice All rights reserved QPB8958 75 34dB CATV Amplifier 50 - 1003MHz Absolute Maximum Ratings Parameter Rating Supply Voltage (VDD) +28V (5min) Supply Current (IDD) 350mA Maximum Input Level (single tone) +10dBmV Operating Temperature Range -40 to +100C Storage Temperature Range 65 to +150C Maximum Junction Temperature +165C Exceeding any one or a combination of the Absolute Maximum Rating conditions may cause permanent damage to the device. Extended application of Absolute Maximum Rating conditions to the device may reduce device reliability. Electrical Specifications 24V (1) Parameter Condition Min Typ Max Unit Supply Voltage (V ) 24 V DD Supply Current (I ) V total current 260 mA DD DD Frequency Range 50 1003 MHz 2 Gain 1003MHz 34 dB Gain Flatness Max. deviation from line using least squares fit from 50 0.5 dB to 1003 MHz Gain Slope Gain(1003MHz) - Gain(50MHz) 1.0 dB Reverse Isolation -45 dB Input Return Loss 18 dB Output Return Loss 18 dB Noise Figure 4.5 dB CSO 80 NTSC + 72 QAM (-6dB offset), 46dBmV/ch out, 0dB -70 dBc tilt CTB -75 dBc CCN 65 dB OIP2 Low band: 225MHz, 325MHz, 12dBm/tone 85 dBm High band: 900MHz, 950.5MHz, 12dBm/tone 85 dBm OIP3 Low band: 225MHz, 325MHz, 12dBm/tone 51 dBm High band: 900MHz, 325MHz, 12dBm/tone 49 dBm Output P1dB 1003 MHz 27 dBm Thermal Resistance 6 C/W JB (Junction to backside of QFN) Notes: 1. Typical performance at these conditions: Temp = +25C, VDD = +24V, 75 system, Full band unless otherwise noted Data Sheet Rev. G, August 5, 2021 - 2 of 14 - www.qorvo.com Subject to change without notice All rights reserved