Quartz Filters MORE THAN FREQUENCY Crystal Filters & Monolithic Crystal Filters (MCF) Quartz Filter Ceramic packaged SMD MCF Type Nominal Frequenc y Pole [ MHz ] Pass Band [dB ] [ kHz ] Attenuation Band [ dB ] [ kHz ] Ripple Insertion max. Loss Attenuation Guaranteed [ dB ] [ dB ] [ dB ] [ Fo ~ kHz ] Terminal Impedance ZIN = ZOUT [ // pF // pF] 21S7A 21.4000 2 3 3.75 18 18 1.0 1.5 50 -910 10 850 // 6.0 21S7B 21.4000 4 3 3.75 35 14 1.0 2.5 80 -910 10 1000 // 4.5 Cc = 4.5 21S12B 21.4000 4 3 6.0 30 20 1.0 2.5 80 -910 10 1500 // 2.0 Cc = 8.0 21S15A 21.4000 2 3 7.5 15 25 1.0 1.5 50 -910 10 1500 // 2.0 21S15B 21.4000 4 3 7.5 35 25 1.0 2.5 80 -910 10 1500 // 5.0 21S30A 21.4000 2 3 15.0 15 45 1.0 1.5 45 -910 10 3000 // 0 21S30B 21.4000 4 3 15.0 35 50 1.0 2.5 80 -910 10 3000 // -1.5 Cc = 6.0 32S8A 32.7680 2 3 4.0 40 40 1.0 2.0 60 -910 10 38S8AF 38.4000 2 3 4.0 40 40 1.0 2.0 65 -910 10 650 // 4.5 45S7BF 45.0000 4 3 3.75 30 12 1.0 4.0 80 -910 10 550 // 2.5 Cc = 15.5 45S15BF 45.0000 4 3 7.5 35 25 1.0 3.0 80 -910 10 900 // 2.0 Cc = 7.0 45S12BF 45.0000 4 3 6.0 30 20 1.0 3.0 80 -910 10 950 // 1.2 Cc = 8.0 45S12BF10 45.1000 4 3 6.0 30 20 1.0 3.0 80 -910 10 950 // 1.2 Cc = 8.0 45S20BF 45.0000 4 3 10.0 25 25 1.0 3.0 80 -910 10 1’000 // 1.6 Cc = 5.0 45S30BF 45.0000 4 3 15.0 30 50 1.0 3.0 80 -910 10 1500 // 0.7 45S30CF 45.0000 3 3 15.0 20 50 1.0 2.0 70 -910 10 1300 // -2.0 45S34AF 45.0000 2 3 17.0 15 60 1.0 2.5 65 -910 10 800 // 2.9 70S15A 70.0000 2 3 7.5 18 20 1.0 3.0 50 -910 10 1500 // -1 73S13B 73.0000 4 3 6.5 30 20 1.0 4.0 70 -910 10 1700 // -0.6 Cc = -1.3 90S7A 90.0000 2 3 10.0 15 35 1.0 4.0 30 -910 10 1800 // -0.8 92S6A 92.1600 2 3 3.0 30 30 1.0 3.0 30 -910 10 2000 // -1 operating temperature range packaging units for SMD type Intermodulation -20 ~ +70 °C -30 ~ +75 °C -40 ~ +85 °C tape & reel: Cc = 5.0 650 // 4.5 Cc = 3.0 commercial application on request, common for MPR applications industrial application 500 or 1k pieces Measurement, calculation and definition to define with the customer other nominal frequencies, pass band and attenuations on request 4 Poles Example for IR reflow soldering temperature 2 Poles dimensions in mm 19 Feb. 12 Page 2 of 4 Quartz Filter Metal packaged SMD & Through hole MCF Type Nominal Frequency Pole [ MHz ] Pass Band Attenuation Band Ripple Insertion max. Loss Attenuation Guaranteed [dB ] [ kHz ] [ dB ] [ kHz ] [ dB ] [ dB ] [ dB ] Terminal Impedance ZIN = ZOUT [ Fo ~ kHz ] [ // pF // pF] 21M7A 21.4000 2 3 3.75 20 18.0 0.5 1.5 35 50 +350 ~ +1000 -200 ~ -1000 850 // 6.0 21M7B 21.4000 4 3 3.75 40 14.0 1.0 2.5 65 80 +350 ~ +1000 -200 ~ -1000 850 // 5.0 21M15A 21.4000 2 3 7.5 18 25.0 0.5 1.5 35 50 +350 ~ +1000 -200 ~ -1000 1500 // 2.0 21M15B 21.4000 4 3 7.5 40 25.0 1.0 2.5 65 80 +350 ~ +1000 -200 ~ -1000 1500 // 2.0 35M8ET 35.4000 10 3 4.0 50 8.0 1.0 5.0 80 1000 50 35M26ET 35.4000 10 3 13.0 55 22.0 1.0 3.0 80 1000 50 45M7AF 45.0000 2 3 3.75 10 12.5 1.0 2.0 65 -910 200 // 4.0 45M7BF 45.0000 4 3 3.75 30 12.5 1.0 4.0 90 ±900 ~ ±1000 350 // 6.5 45M15AF 45.0000 2 3 7.5 15 25.0 1.0 2.0 35 65 +900 ~ +1000 -900 ~ -1000 650 // 3.0 45M15BF 45.0000 4 3 7.5 30 25.0 1.0 3.0 90 ±900 ~ ±1000 650 // 3.0 45M20BF 45.0000 4 3 10.0 30 40.0 1.0 3.0 90 ±900 ~ ±1000 800 // 2.0 Cc = 6.5 45M30BF 45.0000 4 3 15.0 30 50.0 1.0 3.0 90 ±900 ~ ±1000 1200 // 0.7 Cc = 3.5 70M15B 70.0000 4 3 7.5 25 25.0 1.0 3.0 70 +500 ~ +1000 -200 ~ -1000 2000 // -1 Cc = -1 90M15B 90.0000 4 3 7.5 25 25.0 1.0 3.5 70 +500 ~ +1000 -200 ~ -1000 1400 // -1 Cc = -1 operating temperature range packaging units for SMD type Intermodulation -20 ~ +70 °C -40 ~ +85 °C commercial application industrial application tape & reel: 500 or 1k pieces Cc = 18 Cc = 8 Cc = 18 Cc = 9 Measurement, calculation and definition to define with the customer other nominal frequencies, pass band and attenuations on request 2 Poles & 4 Poles Type UM-1 MJ UM-5 MJ UM-4 MJ A 8.0 6.0 4.5 2 Poles & 4 Poles 6 Poles, 8 Poles & 10 Poles B 12.0 10.0 8.5 dimensions in mm 19 Feb. 12 Page 3 of 4 Quartz Filter Terms and Definitions for Quartz Crystal Filters Term Reference Symbol Definition nominal frequency fo (MHz) frequency given in specification, to which other frequencies may be referred pass band B1 (kHz) A1 (dB) band of frequencies B1 in which the attenuation is equal to or less than a specified value A1 (IF) band of frequencies B1 in which the attenuation is equal to or less than the insertion loss L (RF) insertion loss L (dB) the logarithmic ratio of the power delivered to the load impedance before insertion of the filter to the power delivered to the load impedance after insertion of the filter ripple R (dB) the difference between the minimum peak attenuation and the maximum peak attenuation within a pass band B2 (kHz), A2 (dB) B3 (kHz), A3 (dB) bands of frequencies B2 and B3 in which the attenuations are equal to or greater than specified values A2 and A3 respectively guaranteed attenuation A3 (dB) the maximum guaranteed attenuation at the specified frequency range spurious response A4 (dB) minimum attenuation caused by extraordinary response in the stop band; spurious response usually appears at a higher frequency than the centre frequency. group delay distortion t (μs) the difference between the maximum and minimum group delay within a passband B1 unless otherwise specified terminating impedance Zt: Rt // Ct (Ω // pF) either of the impedances presented to the filter by the source or by the load (Rt: resistive portion Ct: parallel capacitive portion including stray capacitance) coupling impedance Zc (pF) the impedance inserted between the filter elements when the filter is composed of two or more elements Intermodulation IMD Measurement, calculation and definition to define with the customer stop band attenuation Characteristics Required specification for quotation request Units Example 45S15BF Type nominal frequency MHz 45.000 pass band @ 3 dB kHz ±7.5 kHz insertion loss dB 3.0 dB ripple dB 1.0 dB stop band attenuation dB / kHz 35 dB @ Fo 25 kHz guaranteed attenuation dB / kHz 80 dB @ Fo - 900 10 kHz terminating impedance coupling capacitance Cc (for 4 pole only) package type // pF 900 // 2.0 pF pF 7.0 pF operating temperature range °C SMD 7.0 x 5.0 mm -20 ~ +85 °C pass band @ 3 dB insertion loss QuartzCom AG Bischmattstrasse 11 CH 2544 Bettlach Switzerland 19 Feb. 12 45S15BF Fax +41 32 644 24 05 Tel +41 32 644 24 00 E-Mail [email protected] www.quartzcom.com Page 4 of 4