Monolithic crystal filter MQF21.4-1500/46 Application • 8 pol filter • i.f.- filter • use in mobile and stationary transceivers Center frequency Insertion loss Pass band at 3.0 dB Ripple in pass band Stop band attenuation Alternate attenuation Output intermodulation Characterstics Pass band Unit Limiting values fo MHz dB kHz dB fo ± 6.00 kHz dB fo ± 17 kHz fo ± 22 kHz dB fo ± 22 kHz..5 MHz dB Po=-20dBm,f1=fo±25kHz dB f2=fo±50kHz Value 21.4 ≤ 3.5 ± 7.50 ≤ 2.0 ≥ 70 > 90 > 90 except spurious > 75 Terminating impedance Z R1 || C1 R2 || C2 Ohm/pF Ohm/pF 910 || 25 910 || 25 Operating temp. range °C -20... +70 MQF21.4-1500/46 Stop band Pin connections: 1 2 3 4 Input Input-E Output Output-E TELE FILTER Zweigniederlassung der DOVER EUROPE GMBH 25.08.98 Potsdamer Str. 18 D- 14513 Teltow ! (+49)03328-4784-10 ; Fax (+49)03328-4784-30 http:\\www.telefilter.com