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SFECV10M7KA00-R0 数据表(PDF) 37 Page - Murata Manufacturing Co., Ltd. |
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SFECV10M7KA00-R0 数据表(HTML) 37 Page - Murata Manufacturing Co., Ltd. |
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37 / 57 page ![]() Please read CAUTION and Notice in this catalog for safety. This catalog has only typical specifications. Therefore you are requested to approve our product specification or to transact the approval sheet for product specification, before your ordering. P61E7.pdf 01.10.17 Lead Type CERAFILr Test Circuit and Characteristics Data 36 10 s Test Circuit (1) (2) (3) C S.S.G RF Rg R1 R2 Rg + R1 = R2 = 330 Ω C = 10pF (Including stray capacitance and input capacitance of RF voltmeter.) Voltmeter (1) : Input (2) : Output (3) :Ground s Temperature Characteristics Y20 Y40 Y20 0 W20 W40 0 W20 Temperature (˚C) W40 W60 W80 Center frequency Y20 Y2 Y1 0 W1 W2 0 W20 Temperature (˚C) W40 W60 W80 Insertion loss Y20 Y40 Y20 0 W20 W40 0 W20 Temperature (˚C) W40 W60 W80 3dB Band width SFELA10M7GA00-B0 Y20 Y40 Y20 0 W20 W40 0 W20 W40 W60 W80 Y20 Y2 Y1 0 W1 W2 0 W20 W40 W60 W80 Y20 Y40 Y20 0 W20 W40 0 W20 W40 W60 W80 Temperature (˚C) Center frequency Temperature (˚C) Insertion loss Temperature (˚C) 3dB Band width SFELA10M7HA00-B0 s Matching Conditions •When using ceramic filters, it is most important to match the input/output load to impedance 330 ohm (only SFELA10M7DF00-B0 is 470 ohm matching). Waveform symmetry is damaged when reactance is added to the input/output load. •Two ceramic filters directly connected can be used for high selelctivity. For reducing waveform variation, it is recommended to input a buffer AMP between ceramic filters. •The SFELA10M7 and SFTLA10M7 series are of input/output symmetric structure so that in theory there is no input/output directionality. Actual circuits may use different input/output loading conditions (for example, mismatched impedance) or capacitance load. In such cases, the waveform will be a little changed by the direction of the input/output of the ceramic filters. |
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