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Filename: tfs120a.doc
Version 1.2
04.09.2003
VI TELEFILTER
Filter specification
TFS120A
1/5
Measurement condition
Ambient temperature: Input power level: Terminating impedance: * Input: Output: 23 0 1180 1110 °C dBm || -7,1 pF || -7,9 pF
2. Characteristics
Remark:
Reference level for the relative attenuation a rel of the TFS 120A is the insertion loss. The insertion loss ae is defined as the insertion loss at the nominal frequency fN . The centre frequency fC is the arithmetic mean value of the upper and lower frequencies at the 3 dB filter attenuation level relative to the insertion loss a e. The temperature coefficient of frequency Tcf is valid for both the reference frequency fc and the frequency response of the filter on the operating temperature .