MQF21.4-1800-08

Monolithic crystal filter MQF21.4-1800/08 Application • 6 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 Group delay (absolute) Group delay distortion fo fo ± 9 kHz fo ± 40 kHz fo ± 50 kHz fo ± 9 kHz MHz dB kHz dB dB dB dB dB µs µs 21.4 < 4.0 ±> 9 Gaussian > 60 > 70 > 70 > 40 < 60