Monolithic crystal filter MQF19.5-1200/03 Application • 6 pol filter • i.f.- filter • use in mobile and stationary transceivers Characterstics Pass band Unit Value MHz dB kHz dB dB dB dB dB 19.5 ± 600 Hz ≤ 3.0 ± 6.00 ≤ 1.0 ≥ 50 > 80 > 60 > 85 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 Stopband attenuation Alternate attenuation IMD at input level -10dBm fo fo ± 4.80 kHz fo ± 25 kHz fo ± 200 kHz fo ± 0.2..80 MHz fo+200 kHz, fo+400 kHz MQF19.5-1200/03 Stop band Pin connections: 1 2 3 4 Input Input-E Output Output-E TELE FILTER Zweigniederlassung der DOVER EUROPE GMBH 22.06.99 Potsdamer Str. 18 D- 14513 Teltow ! (+49)03328-4784-10 ; Fax (+49)03328-4784-30 http:\\www.telefilter.com