Abstract:A radiation-hardened delay-locked loop (DLL) applied for multiple frequency ranges is proposed in this paper. Novel and effective radiation-hardened techniques are applied in charge pump (CP) and voltage-controlled delay line (VCDL) to avoid inverted lock error and missing pulses error caused by single-event transient (SET). In order to ensure a wide operation frequency range, a frequency detection module is designed to detect the frequency of input signals and adjust the current source array of VCDL so as to … Show more
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