Intersil is offering an RF/IF converter with an integrated low-noise amplifier (LNA), programmable synthesizer and image rejection filters. The HFA3683A RF/IF converter and synthesizer delivers 11 Mbps performance and, as one of two front-end devices in Intersil's next-generation PRISM II chip, contributes toward lower system costs, with fewer parts, 50% power savings and a better overall feature set for wireless networking applications. The high integration and high performance of the IC is the result of Intersil's design expertise coupled with advanced silicon germanium (SiGe) fabrication technology.
The HFA3683A in a 64-lead TQFP package is a monolithic, half-duplex RF/IF transceiver designed for operation in the unlicensed 2,4 GHz industrial scientific and medical (ISM) band. It features a low noise, gain-selectable receive amplifier (LNA) followed by a down-converter mixer in the receive chain. An up-converter mixer and a high performance, pre-amplifier form the transmit chain.
The HFA3683A also integrates a high frequency phase locked loop (PLL) synthesizer with a three-wire program-mable interface for local oscillator applications. Only one IF filter is needed because the receive and transmit paths are multiplexed and share a common differential matching network. Another cost benefit results from the integration of image rejection filters in the device. This allows both transmit and receive RF amplifiers to be directly connected to mixers.
The cascaded LNA/mixer (high gain) delivers a gain of 23 dB; SSB Noise Figure of 3,7 dB; and handles IF frequencies from 280-600 MHz. The low gain cascaded LNA/mixer delivers gain of -5 dB from input (P1dB) of +2,5 dBm, handling the same 280-600 MHz range. For the transmit side, the cascaded mixer/pre-amplifier delivers 26 dB gain with 10 dB SSB noise figure and an output (P1dB) of 6 dB. It, too, handles 280-600 MHz. The HFA3683A operates from single supply (2,7 to 3,3 V) and features a power management/standby mode.
X-band radar RF Design
Editor's Choice Telecoms, Datacoms, Wireless, IoT
X-band radar systems, particularly those leveraging beamforming ICs (BFICs), advanced gallium nitride (GaN) and gallium arsenide (GaAs) components, are leading the way in providing the high-performance radar capabilities required for modern defence and surveillance.
Read more...Reference board for cardio monitoring Altron Arrow
Telecoms, Datacoms, Wireless, IoT
The STDES-ESP01 reference board from STMicroelectronics demonstrates the capability of the ST1VAFE6AX and ST1VAFE3BX biosensors to detect ECG and SCG signals.
Read more...LTE Cat 1 bis communication iCorp Technologies
Telecoms, Datacoms, Wireless, IoT
The EG810M series is a series of LTE Cat 1 bis wireless communication modules specially designed by Quectel for M2M and IoT applications.
Read more...Quad-channel 16-bit converter RFiber Solutions
Telecoms, Datacoms, Wireless, IoT
The ARF0468 from Advance RF is a quad-channel mixed-signal processing chip, with each channel comprising three major functional modules: ADC/DDC/DDS.
Read more...ST MCUs extend ultra-low power innovation Altron Arrow
DSP, Micros & Memory
STMicroelectronics has introduced new STM32U3 microcontrollers with cutting-edge power-saving innovations that ease deployment of smart connected tech, especially in remote locations.
Read more...Multicell battery monitoring Altron Arrow
Power Electronics / Power Management
The LTC6811 from Analog Devices is a multicell battery stack monitor that measures up to 12 series connected battery cells with a total measurement error of less than 1,2 mV.
Read more...Tactical navigation system Etion Create
Telecoms, Datacoms, Wireless, IoT
Etion Create’s CheetahNAV Compact is a versatile tactical navigation system designed for security services, emergency services, and light all-terrain vehicles (ATVs) using offline navigation maps.
Read more...Smart module for multi-media devices iCorp Technologies
Telecoms, Datacoms, Wireless, IoT
Powered by a Qualcomm processor, Quectel’s new SC200V is designed to deliver exceptional performance across system capabilities, multimedia functions, and network connectivity.
Read more...Remote provisioning firmware added to SIMCom modules Otto Wireless Solutions
Telecoms, Datacoms, Wireless, IoT
SIMCom recently announced that its range of Cat 1 bis IoT modules are now being prepared with the firmware necessary to support SGP.32 functionality.
Read more...GNSS antenna redefining what’s possible RF Design
Telecoms, Datacoms, Wireless, IoT
u-blox has achieved what was once thought impossible with the launch of the DAN-F10N, the industry’s smallest and most reliable L1, L5 dual-band GNSS antenna module.
printer friendly version