QPL1819 75 20dB CATV Amplifier (50 1800MHz) Product Overview The QPL1819 is a GaAs pHEMT single ended MMIC RF amplifier IC featuring 20dB of gain and low noise. This high linearity IC is designed to support DOCSIS 4.0 Amplifiers and Nodes, as well as Fiber to The Home (FTTH), Satellite, Terrestrial TV, Home Gateways, and Cable Modems applications from 50 to 1800MHz. The QPL1819 is powered by a single 5V supply and packaged in a 3 x 3 16pin QFN. Functional Block Diagram Key Features 50MHz to 1800MHz Operation 5V Operation Gain: 20dB Typical Noise Figure: 1.7dB Adjustable Bias Using External Resistors RoHS Compliant Applications DOCSIS 4.0 Amplifiers DOCSIS 4.0 Optical Nodes DOCSIS 4.0 Remote PHY Devices FTTH GPON and GEPON DOCSIS 4.0 Cable Modem and Home Gateways Single Ended Gain Block 3 x 3 16pin QFN Package Ordering Information Part Number Description QPL1819EVB-01 Evaluation Board QPL1819SB Sample bag with 5 pieces QPL1819SR 7 Reel with 100 pieces QPL1819TR7 7 Reel with 2500 pieces Data Sheet Rev A, March 20, 2022 Subject to change without notice - 1 of 11 - QPL1819 75 20dB CATV Amplifier (50 1800MHz) Absolute Maximum Ratings Parameter Rating Supply Voltage (VCC) +10V Supply Current (IDD) 170mA Maximum RF Input Level +60 dBmV Operating Temperature Range -40 to +100C Storage Temperature Range 65 to +150C Maximum Junction Temperature +150C 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 at +5V (1) Parameter Condition Min Typ Max Unit Supply Voltage (VCC) 5 V Supply Current (I ) 120 mA DD Frequency Range 50 1800 MHz Gain 20 dB Gain Slope 0.3 dB Reverse Isolation 23 dB Input Return Loss 20 dB Output Return Loss 20 dB At +58dBmV Total Composite Output power. MER 108MHz to 1791MHz, 280Ch, SC-QAM, 45 dB 0dB tilt, 0dB offset Noise Figure 1.7 dB OIP2L +5dBm/tone output 1800MHz 67 dBm OIP2U +5dBm/tone output 1800MHz 57 dBm OIP3 +5dBm/tone output 1800MHz 34 dBm OP1dB 19 dBm Thermal Resistance 57 C/W JC Note: Typical performance at these conditions: Temp = +25C, VCC = +5V, 75 system, Full band unless otherwise noted Data Sheet Rev A, March 20, 2022 Subject to change without notice - 2 of 11 -