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LIMCHIP CO., LIMITED
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RFQ ListingWireless & RF ICs
The HMC519LC4 is an Analog Devices (formerly Hittite) GaAs pHEMT MMIC low noise amplifier operating from 18 to 31 GHz, providing 14 dB small-signal gain with a 3.5 dB noise figure. With +23 dBm output IP3 and +11 dBm P1dB, it delivers high dynamic range for K-band and Ka-band receiver front-ends in a leadless 4 × 4 mm ceramic QFN surface-mount package. Supplied without reel (tray/bulk), it runs from a single +3 V supply at 75 mA, targeting point-to-point radio, VSAT, and military SATCOM receivers.
ManufacturerAnalog Devices
Package24-QFN (4 × 4 mm ceramic, 0.5 mm pitch, SMT)
SeriesHMC519LC4
RF / Timing Specifications
| Parameter | Value / Specification |
|---|---|
| Exact Part Number | HMC519LC4 |
| Manufacturer | Analog Devices (Hittite Microwave) |
| Product Category | GaAs pHEMT MMIC LNA covering 18–31 GHz with 14 dB gain, 3.5 dB noise figure, and +23 dBm OIP3 for K/Ka-band receiver sensitivity and linearity |
| Frequency Range | 18 GHz to 31 GHz, covering K-band and Ka-band for point-to-point radio, VSAT, and SATCOM receiver front-ends |
| RF Gain / Noise Figure | 14 dB small-signal gain, 3.5 dB noise figure, +23 dBm output IP3, +11 dBm output P1dB, high dynamic range GaAs pHEMT MMIC |
| Supply Voltage | +3 V single supply, 75 mA typical supply current, internally matched 50 Ω input/output |
| Input / Output Return Loss | 10 dB typical input return loss, 12 dB typical output return loss at 18–31 GHz, 50 Ω matched |
| Operating Temperature | -40 °C to +85 °C |
| Package / Case | 24-QFN (4 × 4 mm ceramic, 0.5 mm pitch, SMT) |
RF Features & Applications
- GaAs pHEMT MMIC LNA covering 18–31 GHz with 14 dB gain, 3.5 dB noise figure, and +23 dBm OIP3 for K/Ka-band receiver sensitivity and linearity
- Leadless 4 × 4 mm ceramic QFN-24 surface-mount package with 0.5 mm pitch for low-loss millimeter-wave PCB assembly in compact RF front-end designs
- Single +3 V supply at 75 mA with 50 Ω internally matched input/output, eliminating external matching networks and reducing design complexity
- +11 dBm output P1dB with high OIP3 enables cascaded LNA stages handling strong interferers without compression in dense spectral environments
- Temperature range -40 °C to +85 °C, RoHS compliant, Pb-free, MSL 3, supplied without reel (tray/bulk) for non-volume handling
- Ideal for point-to-point microwave radio, VSAT terminals, military SATCOM, electronic warfare receivers, and test instrumentation from 18 to 31 GHz
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Frequently Asked Questions
Is HMC519LC4 available from LimChip?
LimChip can confirm current availability, price, quantity, date code and lead time for HMC519LC4 by RFQ.
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