18 March 1993 Specification for monolithic crystal filter: MQF 21.4-1200/02 1. General 1.1. Package: 2 x GH9 ( each filter consists of a pair of two matched packages GH9 ) 1.2. 1.3. 1.4. 1.5. 1.6. Type name: Number of poles: Operable temperature range: Operating temperature range: Storage temperature range: MQF 21.4-1200/02 4 -30°C to +80°C -25°C to +70°C -55°C to +80°C 2. 2.1. Electric values Nominal centre frequency fo: 21.4 MHz 2.2. 2.2.1. 2.2.2. 2.2.3. Pass band Bandwidth between 3 dB - frequencies: Ripple: Insertion loss: ( measured on smallest attenuation in pass band ) ≥ fo ± 6.0 kHz ≤ 1.0 dB at fo ± 4.5 kHz ≤ 2.0 dB 2.3. 2.3.1. 2.3.2. 2.3.3. 2.3.4. Stop band fo ± 20 kHz fo + 50 kHz..........+1000 kHz fo - 100 kHz.........-1000 kHz Spurious responses: ≥ 40 dB ≥ 65 dB ≥ 80 dB ≥ 40 dB 2.4. Terminating impedance R//C ( input and output ): 2.4.1. Coupling capacitance Cc: 1200 Ω // 2.5 pF 9.0 pF 3. manufacturer, date code 21.4-1200/02 Marking: 4. Environment conditions: Corresponding to Vectron standard CF001 ____________________________________________________________________________________ Edited by: date: ________________________ name: __________________________________