EUROQUARTZ 3 MADE-TO-ORDER FILTERS CRYSTAL FILTERS Tel: +44(0)1460 230000 SPECIMEN FILTER DESIGN - 1 Fax: +44(0)1460 230001 Email: [email protected] Web: www.euroquartz.co.uk Crystal Filter 19.9750MHz This filter was designed and manufactured for a data transmission application where excellent Group Delay parameters were an essential part of the specification. General Specification Centre Frequency: 19.9750MHz Insertion Loss: 2dB max. Ripple: 0.5dB max. 0.5dB ±8.5kHz 1.0db ±12kHz m Differential Delay: 5 s max. 12dB ±25kHz 25dB ±34kHz 30dB ±41.5kHz 45dB ±50kHz 45dB ±58.5kHz 70dB ±70kHz Ultimate Attenuation: 55dB Temperature Range: 0° to +55°C W Terminations: 50 Spurious: 40dB min. Outline and Dimensions 35.8 14.8 6.0 Two 1.0 Seal Pins Two M3 Studs 22.86 15.24 7.62 26.5