(China (Mainland))
Product Summary
The NGA-489 is a high performance InGaP/GaAs HBT MMIC amplifier. A darlington configuration designed with InGaP process technology provides broadband performance up to 10GHz with excellent thermal performance. At 850MHz and 65mA, the NGA-489 typically provides +38.0dBm output IP3, 15dB of gain, and +17.2dBm of 1dB compressed power using a single positive voltage supply. Only 2 DC-blocking capacitors, a bias resistor and an optional RF choke are required for operation. The applications of the NGA-489 include PA driver amplifier, cellular, PCS, GSM, UMTS, IF amplifier and wireless data, satellite.
Parametrics
NGA-489 absolute maximum ratings: (1)G, small signal gain: 13.5 to 16.0dB, 15.0dB typ at 850MHz; 14.5dB typ at 1950MHz; 14.2dB typat 2400MHz; (2)P1dB, output power at 1dB compression: 17.2dBm typ at 850MHz; 17.0dBm typ at 1950MHz; (3)OIP3, output third order intercept point: 38.0dBm typ at 850MHz; 37.0dBm typ at 1950MHz; (4)bandwidth, determined by return loss (>10dB): 10000MHz typ; (5)IRL, input return loss: 19.7dB typ at 1950MHz; (6)ORL, output return loss: 27.0dB typ at 1950MHz; (7)NF, noise figure: 4.0dB typ at 1950MHz; (8)VD, device operating voltage: 3.6 to 4.4V, 4.0V typ; (9)ID, device operating current: 59 to 71mA, 65mA typ; (10)RTH, j-1, thermal resistance (junction to lead): 145℃/W typ.
Features
NGA-489 features: (1)high gain: 14.5dB at 1950MHz; (2)cascadabke 50Ohm; (3)patented InGaP technology; (4)operates from single supply; (5)low thermal resistance package.
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