MQF21.4-3000-01_04

Monolithic crystal filter MQF21.4-3000/01 Application • 2 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 Spurious responses fo fo ± 10 kHz fo ± 45 kHz fo ± 75 kHz fo + 350...1000 kHz fo - 300...1000 kHz MHz dB kHz dB dB dB dB dB dB 21.4 < 1.5 ±> 15 < 1.0 > 15 > 20 > 35 > 35 >8 Terminating impedance Z R1||C1 R2||C2 Ohm/pF Ohm/pF 1500 || 1 1500 || 1 Operating temp. range °C -30... +70 Characteristics Pass band MQF21.4-3000/01 Stop band Pin connections: 1 2 3 4 Input Ground-Input Output Ground-Output 15.03.04 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