MQF21.4-0730

Monolithic crystal filter MQF21.4-0730/05 Application • 10 pol filter • i.f.- filter • use in mobile and stationary transceivers Limiting values Nominal frequency Centre frequency Insertion loss Pass band at 6.0dB Ripple in pass band Stop band attenuation Alternate attenuation Spurious response fo fc Unit MHz MHz dB kHz dB dB dB dB dB Value 21.4 21.4 ± 600 Hz < 7.0 ±> 3.67 < 2.0 > 60 > 80 > 80 < 90 fc ± 2.5 kHz fc ± 6.47 kHz fo ± 10 kHz fo ± >35 kHz Terminating impedance Z R1||C1 R2||C2 Coupling capacitance Ohm/pF Ohm/pF pF 800 || 6.5 800 || 6.5 16.5/17.7/17.7/16.5 Operating temp. range Storage temp. range Environment conditions Characteristics Pass band MQF21.4-0730/05 Stop band °C °C -40... +85 -40... +125 according to CF001 Pin connections: 1 2 3 4 Input Ground-Input Output Ground-Output 25.11.04 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