HMC1097LP4E

HMC1097LP4E is a GaAs MMIC RF IC from Hittite Microwave (now Analog Devices). It comes in a compact 4-pin plastic leadframe package (LP4E) and is intended for microwave RF front-end use. The device is an active RF component designed for broadband operation and is typically used with external matching networks in applications such as receivers, transmitters, downconverters, or other signal-conditioning blocks in the several hundred MHz to several GHz range. It requires proper DC biasing and RF matching per the datasheet. For exact specs—frequency range, gain, noise figure, bias conditions, pinout, and recommended matching networks—consult the HMC1097LP4E datasheet on Analog Devices’ website. If you share your target band and application, I can point to the most relevant operating region and typical circuit recommendations.

HMC1097LP4E features (highlights):
- GaAs MMIC mixer in a compact 4-lead LP4 leadless plastic package
- 50-ohm matched RF, LO, and IF ports for easy integration
- Broad wideband operation suitable for RF/microwave downconversion
- High port isolation and good linearity (high IP3) with low conversion loss
- LO drive: moderate power requirement (drive level compatible with standard LO sources)
- Minimal external matching required for basic use (external networks recommended for optimization)
- RoHS compliant, surface-mount, tape-and-reel packaging
- Wide operating temperature range: typical -40°C to +85°C
- Suitable for front-end receivers in communications, radar, and instrumentation
Note: For exact electrical specs (frequency ranges, conversion loss, IP3, LO power, etc.), please refer to the official datasheet.

Pin count: 4 pins.
Function: A broadband RF limiter (PIN-diode limiter) in a leadless 4-lead package (LP4E); 50-ohm matched input/output and biasing pins for protection/clamping of high-level RF signals.

Analog Devices, Inc. (ADI). The HMC1097LP4E line originated with Hittite Microwave, which was acquired by ADI in 2014; the product is now part of ADI’s HMC RF/microwave portfolio.
About the company: Analog Devices is a multinational semiconductor company that designs and manufactures analog, mixed-signal, and RF/microwave integrated circuits and modules.

- RF/microwave up/downconverters for wireless receivers and transceivers
- Front-end modules in satellite and terrestrial microwave links
- Radar and surveillance systems
- Test and measurement equipment (signal generation/translation, IF stages)
- Aerospace/defense microwave front-ends
- Automotive radar sensors and related systems

Plastic leadless 4-lead surface-mount package (LP4).