11 q-tech corporation - 10150 w. jefferson boulevard, culver city 90232 - tel: 310-836-7900 - fax: 310-836-2157 - www.q-t e c h . c o m q-tech corporation sine wave sources dual-in-line crystal clock oscillators 5.0 to 15vdc - 10hz to 450mhz sine wave sources (revision b, july 2008) (eco# 9374) description the q-tech sine wave sources encompasses state-of- the-art sinewave source with low harmonic distortion and a precise sinewave output. a flexible design allows q-tech corporation to offer a variety of choices of output power and load. based on this flexibility, q-tech welcomes specifications with parameters other than standard. an external trimming capacitor option is available for applications that require a tight frequency stability. the at-cut crystal utilized in the design allows for high stability for a particular temperature range extending from -55oc to +125oc. for more information, please refer to the stability vs. temperature on the following page. the reliable construction of these sinewave oscillators qualifies them for more stringent environmental applications. military screening per mil-prf-55310, level b is available as an option. features ? made in the usa ? eccn: ear99 ? dfars 252-225-7014 compliant: electronic component exception ? usml registration # m17677 ? available in both dip and double dip packages ? supply voltages 5vdc and 15vdc ? broad frequency range from 10hz to 450mhz ? at-cut crystal ? low total harmonic distortion ? choice of output power and load ? all metal and hermetically sealed packages ? low phase noise ? external tuning capacitor option ? fundamental and third overtone designs ? analog multiplier for frequency 200mhz ? tristate option ? custom design available tailors to meet customers needs ? q-tech does not use pure lead or pure tin in its products ? rohs compliant applications ? designed to meet todays requirements for communication systems. ? wide military clock applications ? control and measurement ? signal processing model # ordering information qt9xxs xx m 400.000mhz output frequency screened to mil-prf-55310,level b (left blank if no screening) 1 = 100ppm at 0oc to +70oc 3 ** = 5ppm at 0oc to +50oc 4 = 50ppm at 0oc to +70oc 5 = 25ppm at -20oc to +70oc 6 = 50ppm at -55oc to +105oc 9 = 50ppm at -55oc to +125oc 10 = 100ppm at -55oc to +125oc 11 = 50ppm at -40oc to +85oc 12 = 100ppm at -40oc to +85oc for non-standard requirements, contact q-tech corporation at sales@q-tech.com (**) require an external capacitor for custom load, supply voltage, output power, harmonic distortion, frequency stability vs. temperature, and others not listed herein, please request a custom part number. specifications subject to change without prior notice. all dip packages are available in surface mount form. packaging options other options available for an additional charge ? standard packaging in black foam ? optional anti-static plastic tube ? lead forming available on all packages. please contact for details. ? solder dip sn/pb 60/40% ? p. i. n. d. test ? lead trimming ? phase noise test (static and under vibration) ? jitter test package to lid attachment ? standard packaging in black foam lead material: kovar lead finish: ? gold plated: 50 ~ 80 inches ? nickel underplate: 100 ~ 250 inches package information
2 q-tech corporation - 10150 w. jefferson boulevard, culver city 90232 - tel: 310-836-7900 - fax: 310-836-2157 - www.q-t e c h . c o m q-tech corporation sine wave sources dual-in-line crystal clock oscillators 5.0 to 15vdc - 10hz to 450mhz sine wave sources (revision b, july 2008) (eco# 9374) electrical characteristics (*) frequencies less than 500hz require an external 1f ac coupling capacitor at the output pin. (**) higher frequencies are available with a q-tech custom part number. parameters qt901s qt906s qt941s qt957s output freq. range (fo) 10hz 1mhz (*) 1mhz 85mhz (**) 10hz 450mhz (*) supply voltage (vdd) +15vdc 5% +5vdc 10% frequency stability (?f/?t) see option codes operating temp. (topr) see option codes storage temp. (tsto) -62oc to + 125oc operating supply current (idd) 20ma max. 40ma max. 20ma typ. at 25mhz 30ma typ. at 50mhz 60ma max. 40ma typ. at 175mhz output amplitude or power 1v rms min. 2v rms typ. 0dbm min. +5dbm typ. 1v p-p min. for fo < 1mhz 0dbm min. for f 1mhz output load 1k? 50? internally ac coupled 1k? for fo < 1mhz 50? for fo 1mhz total harmonic distortion (thd) or harmonics 5% max. -20dbc max. sub-harmonics -30dbc max. start-up time 10ms max. phase noise at 25oc (typ.) at: 10hz -70dbc/hz 100hz -100dbc/hz 1khz -125dbc/hz 10khz -140dbc/hz 100khz -145dbc/hz integrated phase jitter rms (12khz to 20mhz) typ. 1ps aging (at 70oc) 5ppm max. first year / 2ppm typ. per year thereafter sine wave options are available with a q-tech mcm part number: ? supply voltage +5vdc to +18vdc ? output power -10dbm to +13dbm into 50? (see note 1) ? harmonics better than -20dbc (see note 2) ? sub-harmonics better than -30dbc (see note 3) ? amplitude stability versus temperature to within 1% (see note 4) ? vcxo sine output (see details in vcxo data sheets) ? phase noise and jitter built to specification including static and vibration. ? low supply current ? qci tests ? tight frequency stability versus temperature, supply voltage, and load variations ? low g-sensitivity and low phase noise ? low spurious (see note 5) ? low harmonic distortion (thd < 5%) ? low frequency aging, allan variance ? high-shock resistant notes: 1. the output level is determined by the supply voltage, load, and package size. 2. a specified harmonic level of -20dbc is easily achievable. the typical harmonics of q-tech sine wave source are better than -25dbc. 3. sub-harmonic level is determined by frequency multiplication method, supply voltage, output power, and input current. 4. typical amplitude stability over temperature is 10% or less. 5. typical spurious level is better than -60dbc over the spectrum of 100khz to 1ghz. other design and test options
33 q-tech corporation - 10150 w. jefferson boulevard, culver city 90232 - tel: 310-836-7900 - fax: 310-836-2157 - www.q-t e c h . c o m q-tech corporation sine wave sources dual-in-line crystal clock oscillators 5.0 to 15vdc - 10hz to 450mhz sine wave sources (revision b, july 2008) (eco# 9374) package configuration versus pin connections 1 9 10 18 max. ? .056 .300 .505 .200 .018 .800 1.080 .100 q-tech p/n freq. d/c s/n (12.83) (7.62) ? 1.42 (2.54) (20.32) (27.43) (.457) (5.08) .200 (5.08) max. min. a qt901s (5.08) .200 .250 (6.35) .018 (0.457) .100 (2.54) .700 (17.78) .980 (24.89) .600 (15.24) (20.45) .805 freq. p/n q-tech d/c s/n 8 1 16 9 max. min. max. max. d qt957s 1 7 8 14 q-tech p/n freq. d/c s/n (22.35) (15.24) .880 .600 .300 (7.62) (2.54) .100 .505 (12.83) max. (.457) .018 min. (5.08) .200 .200 (5.08) max. max. b qt906s 14 8 7 1 freq. d/c s/n p/n q-tech .600 (15.24) (7.62) .300 .200 (5.08) max. min. (5.08) .200 (.457) .018 max. (20.32) .800 .505 (12.83) max. c qt941s qt # conf vcc gnd case output equivalent mil-prf-55310 configuration qt901s a 18 9 9 10 n/a qt906s b 14 7 7 8 n/a qt941s c 14 7 7 8 n/a qt957s d 16 8 8 9 n/a dimensions are in inches (mm) please contact factory for pin connections on external capacitor (code 3).
44 q-tech corporation - 10150 w. jefferson boulevard, culver city 90232 - tel: 310-836-7900 - fax: 310-836-2157 - www.q-t e c h . c o m q-tech corporation sine wave sources dual-in-line crystal clock oscillators 5.0 to 15vdc - 10hz to 450mhz sine wave sources (revision b, july 2008) (eco# 9374) vcc out gnd qt906s qt941s qt957s +5vdc output 0.01f 50 vcc out gnd qt901s +15vdc output 0.01uf 1k vcc out gnd qt901s(<500hz) +15v output 0.01f 1k 1f output waveform into 50? load test circuit startup time typical output amplitude and start-up time of qt957s-20.0166mhz typical spectrum output power and harmonics of qt957s-171mhz typical output amplitude of qt957s-69.4mhz
55 q-tech corporation - 10150 w. jefferson boulevard, culver city 90232 - tel: 310-836-7900 - fax: 310-836-2157 - www.q-t e c h . c o m q-tech corporation sine wave sources dual-in-line crystal clock oscillators 5.0 to 15vdc - 10hz to 450mhz sine wave sources (revision b, july 2008) (eco# 9374) 45o 45o hybrid case substrate die d/a epoxy d/a epoxy heat die r1 d/a epoxy substrate d/a epoxy hybrid case r2 r3 r4 r5 thermal characteristics ja jc ca die t t t c a j ca jc (figure 1) (figure 2) the heat transfer model in a hybrid package is described in figure 1 (based on single asic design). heat spreading occurs when heat flows into a material layer of increased cross-sectional area. it is adequate to assume that spreading occurs at a 45 angle. the total thermal resistance is calculated by summing the thermal resistances of each material in the thermal path between the device and hybrid case. rt = r1 + r2 + r3 + r4 + r5 the total thermal resistance rt (see figure 2) between the heat source (die) to the hybrid case is the theta junction to case (theta jc) inc/w. ? theta junction to case (theta jc) for this product is 24c/w. ? theta case to ambient (theta ca) for this part is 106c/w. ? theta junction to ambient (theta ja) is 130c/w. maximum power dissipation pd for this package at 25c is: ? pd(max) = (tj (max) C ta)/theta ja ? with tj = 175c (maximum junction temperature of die) ? pd(max) = (175 C 25)/130 = 1.15w environmental specifications q-tech standard screening/qci (mil-prf55310) is available for all of our sine wave packages. q-tech can also customize screening and test procedures to meet your specific requirements. the sine wave packages are designed and processed to exceed the following test conditions: environmental test test conditions temperature cycling mil-std-883, method 1010, cond. b constant acceleration mil-std-883, method 2001, cond. a, y1 seal fine leak mil-std-883, method 1014, cond. a burn-in 160 hours, 125c with load aging 30 days, 70c vibration sinusoidal mil-std-202, method 204, cond. d shock, non operating mil-std-202, method 213, cond. i thermal shock, non operating mil-std-202, method 107, cond. b ambient pressure, non operating mil-std-202, 105, cond. c, 5 minutes dwell time minimum resistance to solder heat mil-std-202, method 210, cond. c moisture resistance mil-std-202, method 106 terminal strength mil-std-202, method 211, cond. c resistance to solvents mil-std-202, method 215 solderability mil-std-202, method 208 please contact q-tech for higher shock requirements
66 q-tech corporation - 10150 w. jefferson boulevard, culver city 90232 - tel: 310-836-7900 - fax: 310-836-2157 - www.q-t e c h . c o m q-tech corporation sine wave sources dual-in-line crystal clock oscillators 5.0 to 15vdc - 10hz to 450mhz sine wave sources (revision b, july 2008) (eco# 9374) phase noise is measured in the frequency domain, and is expressed as a ratio of signal power to noise power measured in a 1hz bandwidth at an offset frequency from the carrier, e.g. 10hz, 100hz, 1khz, 10khz, 100khz, etc. phase noise measurement is made with an agilent e5052a signal source analyzer (ssa) with built-in outstanding low-noise dc power supply source. the dc source is floated from the ground and isolated from external noise to ensure accuracy and repeatability. in order to determine the total noise power over a certain frequency range (bandwidth), the time domain must be analyzed in the frequency domain, and then reconstructed in the time domain into an rms value with the unwanted frequencies excluded. this may be done by converting l(f) back to s(f) over the bandwidth of interest, integrating and performing some calculations. the value of rms jitter over the bandwidth of interest, e.g. 10khz to 20mhz, 10hz to 20mhz, represents 1 standard deviation of phase jitter contributed by the noise in that defined bandwidth. figure below shows a typical phase noise/phase jitter of a qt957s, +5vdc, 150mhz and qt957s8m, +5vdc, 69.4mhz clock at off- set frequencies 10hz to 10mhz, and phase jitter integrated over the bandwidth of 12khz to 1mhz. phase noise and phase jitter integration symbol definition l(f) integrated single side band phase noise (dbc) s (f)=(180/)x 2 l(f)df spectral density of phase modulation, also known as rms phase error (in degrees rms jitter = s (f)/(fosc.360) jitter(in seconds) due to phase noise. note s (f) in degrees. qt957s, +5vdc, 150mhz qt957s8m, 5.0vdc, 69.4 mhz frequency vs. temperature curve -50 -40 -30 -20 -10 0 10 20 30 40 50 -55 -50 -45 -40 -35 -30 -25 -20 -15 -10 -5 05 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100 105 110 115 120 125 temperature (c) 1_12 2_12 frequency stability (ppm) frequency stability vs. temperature qt957s-64mhz
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