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Specification for crystal filter: 1. General 1.1. Package: QF 172.955-3500/07V1 02 July 2009 1.2. 1.3. 1.4. 1.5. 2. 2.1. 2.2. 2.2.1. 2.2.2. 2.2.3. 2.2.4. 2.3. 2.3.1. 2.3.2. 2.3.3. 2.3.4. 2.4. 2.5. 2.6. 2.7 Type name: Number of poles: Operating temperature range: Operable temperature range: Electric values Nominal centre frequency fo: Pass band Bandwidth between 3 dB - frequencies: Ripple: Group delay distortion: Insertion loss: ( measured on smallest attenuation in pass band ) Stop band fo 80 kHz fo 455 kHz Alternate attenuation: Spurious responses: Terminating impedance ( input and output ): Nominal drive level: Maximum allowed drive level: Intermodulation frequency 1: frequency 2: input power: IM: 173.055 173.155 0 dBm > 58 dB QF 172.955-3500/07V1 4 -20C to +70C -40C to +85C 172.955 MHz fo 20 kHz 2.0 dB at fo 17.5 kHz 25 s at fo 20 kHz 7 dB 40 dB 55 dB 55 dB 20 dB 50 // 0 pF < 0 dBm 15 dBm 3. Marking on the package: manufacturer, date code QF 172.955-3500/07V1 4. Environment conditions: Corresponding to Telefilter CF001 ______________________________________________________________________________________ Edited by: date: _________________ Name: __________________________ |
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