Antenna for systems using atomic watch signals
Premo
RCA-THT Series DCF/ripple-control antenna
Premo has launched the RCA-THT Series DCF and ripple-control through-hole antenna for applications using atomic watch signals.
The RCA-THT antenna can be set and tuned in different frequencies from 40 to 139kHz, for clock, power-control and management applications, lighting controls and smart metering.
The component is supplied in plastic trays.
The antenna is shipped already tuned to the resonant frequency specified.
The fine-tuning process is done in the Premo production line by a reliable, automatic station.
This station checks the antenna in real time, achieving a high precision in the centre frequency tuned.
The antennas are configured as L-C resonant parallel tank (RCA-THT-77A: 1.3mH // 3.3nF for 77.5kHz and RCA-THT-60A: 2.1mH // 3.3nF for 60kHz), which offer a resistance of more than 75kOhms at resonance frequency (+/-0.2kHz).
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