TFS402

Tfs402.doc Version 2.0 17.04.2000 VI TELEFILTER Filter Specification TFS 402 1/5 1. Measurement condition Ambient temperature TA: Input power level: Terminating impedances in fc: 25 °C 0 dBm for input: for output: 50 Ω  0 pF. 50 Ω  0 pF. 2. Characteristics Remark: Reference level for the relative attenuation arel of the TFS 402 is the minimum of the pass band attenuation amin. The minimum of the pass band attenuation amin is defined as the insertion loss ae. The reference frequence fc is the arithmetic mean value of the upper and lower frequencies at the 6 dB filter attenuation level relative to the insertion loss ae. The nominal frequency fN is fixed on 402,76 MHz without tolerance. The given values for the relative attenuation arel and for the group delay ripple have to be reached at the frequencies given below also if the centre frequency fc is shifted due to a production tolerance for the centre frequency fc. www.DataSheet4U.com Data Insertion loss (Reference level) Nominal frequency fN ae typ. value tolerance / limit max 24 dB 402,76 MHz 402,76 ± 1 MHz Reference frequency fc at ambient temperature (fCTA) Pass band (-1 dB) in the operating temperature range: Amplitude ripple in pass band (p-p): with sliding interval 1 MHz in pass band (p-p): Relative attenuation fN fN ± 24,5 fN - 401 fN + 100 Group delay Deviation from linear phase in pass band (p-p): The part will not show any critical pyroelecric effect for temperature changes of Temperature coeffici...