Monolithic crystal filter MQF20.0-0300/01 Application • 2 pol filter • i.f.- filter • use in mobile and stationary transceivers Characterstics Pass band Unit Value MHz Mhz dB kHz dB dB dB dB 20.0 20.0 ± 300Hz ≤ 2.0 fc ± (1.5 ± 0.25) ≤ 2.0 ≥ 30 > 30 > 20 Terminating impedance Z R1 || C1 R2 || C2 Ohm/pF Ohm/pF 200 || 2 200 || 2 Operating temp. range °C -15... +65 Limiting values Center frequency nominal Centre frequency Insertion loss Pass band at 3.0 dB Ripple in pass band Stop band attenuation Alternate attenuation Spurious response fo fc ± ± ± ± fo fo fo fo 1.00 kHz 10 kHz 10...5000 kHz 100...500 kHz MQF20.0-0300/01 Stop band Pin connections: 1 2 3 4 Input Input-E Output Output-E TELE FILTER Zweigniederlassung der DOVER EUROPE GMBH 14.01.99 Potsdamer Str. 18 D- 14513 Teltow ! (+49)03328-4784-10 ; Fax (+49)03328-4784-30 http:\\www.telefilter.com