LTC55xx Power Detectors Analog Devices Inc. LTC55xx Power Detectors are high frequency, wide dynamic range RMS power detectors. The detectors deliver highly accurate power measurements of RF and microwave signals that are independent of modulation and waveforms. The LTC55xx detectors offer a ±1dB accuracy rating over the full operating temperature and RF frequency range. The LTC55xx detectors from Analog Devices are ideal for a wide range of RF and microwave applications.