MQF21.4-1200-29

Monolithic crystal filter MQF21.4-1200/29 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 fo fo ± 3.5 kHz fo ± 25 kHz fo ± 200 kHz fo + 350..1000kHz fo - 200..1000kHz MHz dB kHz dB dB dB dB dB 21.4 < 1.5 ±> 6 < 0.5 > 20 > 35 > 35 > 50 Terminating impedance Z R1||C1 R2||C2 Ohm/pF Ohm/pF 1200 || 3 1200 || 3 Operating temp. range Storage temp. range Environment conditions Characteristics Pass band MQF21.4-1200/29 Stop band °C °C -20... +70 -45... +85 according to CF001 Pin connections: 1 2 3 4 Input Ground-Input Output Ground-Output 23.01.04 TELE FILTER Zw eigniederlassung der DOVER Germany GMBH Potsdamer Str. 18 D- 14513 Teltow (+49)03328-4784-10 ; Fax (+49)03328-4784-30 http:\\www.vectron.com