Overview
The HMC498LC4TR is a high dynamic range GaAs pHEMT MMIC Medium Power Amplifier designed by Analog Devices Inc. This component operates within the frequency range of 17 to 24 GHz, making it suitable for various high-frequency applications. It is housed in a 24-pin CLLCC (Ceramic Leadless Chip Carrier) package, which is RoHS compliant and supports surface mount manufacturing techniques. The amplifier is known for its high gain, low noise figure, and high saturated output power, making it an ideal choice for applications requiring reliable and efficient RF signal amplification.
Key Specifications
| Parameter | Min. | Typ. | Max. | Units |
|---|---|---|---|---|
| Frequency Range | 17 | 19-22 | 24 | GHz |
| Gain | 20 | 22-24 | 28 | dB |
| Gain Variation Over Temperature | 0.03 | 0.04 | 0.04 | dB/°C |
| Input Return Loss | 11 | - | 8 | dB |
| Output Return Loss | 20 | 18 | 15 | dB |
| Output Power for 1 dB Compression (P1dB) | 20 | 23.5 | 25 | dBm |
| Saturated Output Power (Psat) | 25.5 | 26.5 | 27 | dBm |
| Output Third Order Intercept (IP3) | 34 | - | - | dBm |
| Noise Figure | 3.5 | 4.0 | 4.5 | dB |
| Supply Current (Idd) @ Vdd = 5V, Vgg = -0.8V Typ. | 250 | 275 | 250 | mA |
| Operating Temperature | -40 | - | 85 | °C |
| Package Type | - | - | 24-Pin CLLCC EP T/R | - |
Key Features
- High dynamic range GaAs pHEMT MMIC Medium Power Amplifier.
- Operates within the frequency range of 17 to 24 GHz.
- Provides 22 dB of gain and +26 dBm of saturated output power.
- Noise figure of 4 dB and output IP3 of +36 dBm typical.
- RF I/Os are DC blocked and matched to 50 Ohms for ease of use.
- Single power supply operation at +5V with a typical supply current of 250 mA.
- RoHS compliant and housed in a 4x4 mm surface mount package.
- No wire bonding required, supporting surface mount manufacturing techniques.
Applications
- Point-to-Point Radios.
- Point-to-Multi-Point Radios.
- VSAT (Very Small Aperture Terminal) systems.
- Low noise front-end amplifiers.
- Driver amplifiers in various RF and microwave systems.
Q & A
- What is the frequency range of the HMC498LC4TR?
The HMC498LC4TR operates within the frequency range of 17 to 24 GHz.
- What is the typical gain of the HMC498LC4TR?
The typical gain of the HMC498LC4TR is 22 dB.
- What is the saturated output power of the HMC498LC4TR?
The saturated output power of the HMC498LC4TR is +26 dBm.
- What is the noise figure of the HMC498LC4TR?
The noise figure of the HMC498LC4TR is 4 dB.
- What is the output third-order intercept point (IP3) of the HMC498LC4TR?
The output IP3 of the HMC498LC4TR is +36 dBm typical.
- What is the supply voltage and current for the HMC498LC4TR?
The HMC498LC4TR operates with a single power supply at +5V and a typical supply current of 250 mA.
- Is the HMC498LC4TR RoHS compliant?
Yes, the HMC498LC4TR is RoHS compliant.
- What is the package type of the HMC498LC4TR?
The HMC498LC4TR is housed in a 24-pin CLLCC (Ceramic Leadless Chip Carrier) package.
- What are the typical applications of the HMC498LC4TR?
The HMC498LC4TR is typically used in point-to-point radios, point-to-multi-point radios, VSAT systems, and as low noise front-end or driver amplifiers.
- Does the HMC498LC4TR require wire bonding?
No, the HMC498LC4TR does not require wire bonding, as it supports surface mount manufacturing techniques.
