RFMW announces design and sales support for coaxial, mmWave, 5G isolators from DiTom Microwave. The D3I3743 isolator covers 5G infrastructure frequencies from 37 to 43 GHz with 14 dB of isolation. A single-junction design, insertion loss is only 1.2 dB maximum, preserving precious power in the mmWave bands. Average power handing is 5W (2W reflected power). The D3I3743 is offered with 2.92 mm (K) female connectors having a maximum VSWR of 1.35:1 and are available with any combination of male or female connectors on the input/output. With operating temperatures from -20 to +65 degrees C, these isolators are suitable for…
Author: RFMW
RFMW announces availability of a portfolio of devices designed for use in next generation mmWave radio applications. Created by Knowles – DLI, the portfolio includes filters, broadband couplers and Wilkinson power dividers for n257, n258, n260 and n261 bands supporting mmWave 5G designs. The ceramic substrate product line utilizes patented materials exhibiting excellent temperature stability and high K factor. Combined, these characteristics enable off the shelf solutions with small size with high performance. For example, the PDW06984 power divider operates from 25 to 32 GHz with a maximum excess insertion loss of 0.7 dB while consuming just 2.5 mm2 of…
RFMW announces design and sales support for a high-power transistor from Ampleon. The ART2K0PE power LDMOS transistor provides 2000 W of pulsed RF energy for ISM applications in the HF to 400 MHz band. Offering 28.5 dB of gain and drain efficiency of 73%, this transistor supports plasma generators, MRI systems, CO2 lasers and particle accelerators. Other uses are found in radio and VHF TV broadcast transmitters as well as HF communications and Radar systems in the Aerospace industry. High breakdown voltage enables class E operation up to 50 volts VDS while the ART2K0PE is qualified up to a maximum…
RFMW announces design and sales support for a high-linearity, two-stage power amplifier in a low-cost surface-mount package. The Qorvo QPA9903, with on-chip bias control circuit, is suitable for small cell base station applications over the 1805 – 1880 MHz frequency range (Band 3). Providing 32 dB gain and 36 dBm P3dB, the QPA9903 achieves −50 dBc, DPD corrected ACPR at +28 dBm output power. Internally I/O matched to 50 ohms and available in a 5 x 5 mm surface mount package, this device also serves m-MIMO and DAS systems.
RFMW announces availability of a broad-band gain block from Microwave Technology (MwT). The MMA-062020 GaAs MMIC gain block provides nearly 20 dBm of saturated output power over its full 6 to 22 GHz frequency range. Optimally designed for broadband applications requiring flat gain with excellent input and output port matches, the MMA-062020 provides 14 dB of gain with typical gain flatness of +/- 0.8 dB. P1dB output power measures >18 dBm with OIP3 of 28 dBm. Operating from a 5V drain-supply, this general purpose amplifier is offered as a 0.92 x 0.92 mm DIE.
RFMW announces design and sales support for a differential output gain block. Qorvo’s QPA9154 is input matched to 50 Ω and offers a 100 Ω differential-output to directly interface with a transceiver ADC thereby eliminating the need for a discrete balun. Ideal for final gain stages in 2.3-3.8 GHz, 5G m-MIMO base stations, the QPA9154 delivers 19 dB of small signal gain and 35 dBm OIP3. The amplifier features a shut-down function and gain flatness of 0.5 dB over any 400 MHz bandwidth. Housed in a compact 2 x 2 mm SMT package.
RFMW announces availability of a portfolio of broad-band SMD filters from Knowles (DLI). The portfolio is comprised of ceramic substrate filters using patented materials which exhibit excellent temperature stability and high K factors. Combined, these characteristics enable small size with high performance. Supporting general purpose and T&M applications, popular bandwidths include 2 to 4 GHz, 4 to 8 GHz, 8 to 12GHz and 12 to 18 GHz. For example, the B096QC2S, 8 to 12 GHz filter measures just 10.1mm x 4.6mm x 2.5mm while offering 2.5 dB typical insertion loss with 50 dB out-of-band rejection. Catalog devices come complete with…
RFMW announces design and sales support for a high-power transistor from Ampleon. The ART2K0FE power LDMOS transistor provides 2000 W of pulsed RF energy for ISM applications in the HF to 400 MHz band including plasma generators, MRI systems, CO2 lasers and particle accelerators. Other uses are found in radio and VHF TV broadcast transmitters as well as HF communications and Radar systems in the Aerospace industry. High breakdown voltage enables class E operation up to 50 volts VDS while the ART2K0FE is qualified up to a maximum VDS of 65 V. Integrated dual sided ESD protection enables class C…
RFMW announces design and sales support for a broadband gain block with differential input. The Qorvo QPA9133 gain block offers a 100 Ω differential-input to 50 Ω single-ended output allowing direct interface with transceiver DACs, thereby eliminating the need for a discrete Balun. It is well suited for transmit path gain stages in 5G m-MIMO BTS and is optimized for 3.3 to 5.0 GHz applications. With 18 dB of small signal gain and 34 dBm output 3rd order intercept (OIP3), the QPA9133 has excellent gain flatness of 0.5 dB over any 400 MHz bandwidth and a CMRR of 35 dB.…
RFMW announces design and sales support for a 2.4 GHz front-end module (FEM) from Skyworks Solutions. The SKY66405-11, 2.4 GHz FEM is designed for Zigbee®, Thread, and Bluetooth® (including Low Energy) ultra-low power IoT applications spanning sensors, beacons, smart meters and thermostats, wireless cameras, smoke and CO detectors, wearables and medical wearables. The compact (1.9 x 1.9 x 0.56 mm) multi-chip module houses circuitry providing increased efficiency, as well as 4X greater range than stand-alone SoC devices. The module includes a power amplifier, low-noise amplifier, low-loss bypass path, transmit and receive switches, and digital controls compatible with 1.6 V to…