With the development of new applications and smaller end product form-factors, Johanson Technology has developed an impedance matched filter/balun Integrated Passive Device (IPD) for Semtech’s Long Range Low Power LoRa® and LoRa Smart Home™ RF transceivers SX1261, SX1262, and LLCC68. Our p/n: 0900FM15D0039 pairs seamlessly, considerably reducing the overall PCB space utilization area, and component count. With this device, the entire front end RF matching, balun, and filter network is reduced to a single EIA 0805 (2.0mm x 1.25mm) SMT component. This device is very temperature stable, cost effective, and provides compliant FCC and ETSI regulatory emissions requirements.
A detailed Application Note (AN100) with measured 868 and 915Mhz output power results, design implementation, and layout guidance can be found here.
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