Monolithic crystal filter MQF21.0-1200/03 Application • 6 pol filter • i.f.- filter • use in mobile and stationary transceivers Unit Value MHz dB kHz dB dB dB dB dB dB 21.0 ≤ 3.0 ± 6.00 ≤ 1.0 ≥ 50 > 80 > 60 except spurious > 85 > 9.5 Terminating impedance Z R1 || C1 R2 || C2 Ohm/pF Ohm/pF 50 || 0 50 || 0 Operating temp. range °C -20... +50 Limiting values Center frequency Insertion loss Pass band at 3.0 dB Ripple in pass band Stop band attenuation Alternate attenuation IMD (input power -10 dBm) Return loss Characterstics Pass band fo fo ± 3.60 kHz fo ± 25 kHz fo ± 200 kHz fo ± 0.2...80 MHz f1=fo±200,f2=fo±400k fo ± 3.60 kHz MQF21.0-1200/03 Stop band Pin connections: 1 2 3 4 Input Input-E Output Output-E TELE FILTER Zweigniederlassung der DOVER EUROPE GMBH 16.03.99 Potsdamer Str. 18 D- 14513 Teltow ! (+49)03328-4784-10 ; Fax (+49)03328-4784-30 http:\\www.telefilter.com