MQF71.85-2500

Specification for monolithic crystal filter 1. General 1.1. Case: MQF 71.85-2500/11 20 February 2007 Chip-mount air reflow profile Temperature / °C max. 260°C 217°C max. 300 s Time / s 10 ... 30 s 30 ... 150 s 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. 2.3.5. 2.4. 2.5. 3. Type name: Number of poles: Operating temperature range: Storage temperature range: Electric values Nominal centre frequency fo: Pass band Bandwidth between 6 dB - frequencies: Ripple: Group delay distortion: Insertion loss: ( measured on smallest attenuation in pass band ) Stop band fo ± 30 kHz fo ± 45 kHz fo ± 60 kHz fo -900 kHz………-1000 kHz Spurious responses: Terminating impedance ( input and output ): Maximum input level: Marking on the case: MQF 71.85-2500/11 6, fundamental mode -40°C to +70°C -45°C to +85°C 71.85 MHz > fo ± 12.5 kHz < 1.5 dB at fo ± 9 kHz < 14 µs at fo ± 9 kHz < 4.5 dB > 20 dB > 40 dB > 55 dB > 80 dB > 50 dB 50 Ω // 0 pF -5 dBm ( +5 dBm non-damaged ) manufacturer, date code MQF 71.85-2500/11 4. Environment conditions: Corresponding to Telefilter CF001 _____________________________________________________________________________________ Edited by: date: ________________________ name: ______________________________