MQF21.4-0750

Monolithic crystal filter MQF21.4-0750/02 Application • 4 pol filter • i.f.- filter • use in mobile and stationary transceivers Limiting values Unit Value Nominal frequency Insertion loss Pass band at 3.0dB Ripple in pass band Stop band attenuation Alternate attenuation fo fo ± 3 kHz fo ± 14 kHz fo ± 350 kHz MHz dB kHz dB dB dB 21.4 < 2.5 ±> 3.75 < 1.0 > 40 except spurious > 60 except spurious Terminating impedance Z R1||C1 R2||C2 Coupling capacitance Ck Ohm/pF Ohm/pF pF 1500 || 2 1500 || 2 10.0 Operating temp. range Storage temp. range Environment conditions Characteristics Pass band MQF21.4-0750/02 Stop band °C °C -20... +70 -45... +85 according to CF001 Pin connections: 1 2 3 4 Input Ground Output Ground RoHS compliant 17.01.06 TELE FILTER Zweigniederlassung der DOVER Germany GMBH Potsdamer Str. 18 D- 14513 Teltow (+49)03328-4784-10 ; Fax (+49)03328-4784-30 http:\\www.vectron.com