REVISIONS REVISION A DESCRIPTION APPROVED Initial release Updated part numbers DATE Luis Vargas Luis Vargas 5/28/2008 1/9/09 GENERAL RELEASE DOCUMENT CONSULT FACTORY FOR CURRENT REVISION 50MHz TCXO ,Vcc=12v,+25C 9/17/08 Aging Data 0.3 -30 -40 frequency drift, PPM -50 -60 -70 L(f), dBc -80 -90 -100 -110 -120 -130 -140 -150 0.25 0.2 0.15 0.1 0.05 -160 -170 -180 1 10 100 1000 10000 100000 Frequency Offset, HZ 0 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 elapsed time, days Example 1 of Temperature Stability Example 2 of Temperature Stability 2.0 1.5 freq error, PPM 1.0 0.5 0.0 -0.5 -1.0 -1.5 -2.0 -50 -45 -40 -35 -30 -25 -20 -15 -10 -5 0 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 temp, deg C SPECIFICATION CONTROL DRAWING UNLESS OTHERWISE PREPARED BY: DATE Q-TECH CORPORATION 10150 W. JEFFERSON BLVD. CULVER CITY, CA 90232-3510 SPECIFIED, DIMENSIONS ARE IN INCHES. TOLERANCES: 3 PLACE DECIMAL = .005 2 PLACE DECIMAL = .02 1 PLACE DECIMAL = .1 FRACTIONS = 1/16 ANGLES = 2 DEGREES Luis Vargas 6/5/08 CHECKED BY: DATE QUALITY LOW PROFILE 32 PIN FLAT PACK HYBRID CRYSTAL OSCILLATOR, TCXO, CLASS S, Standard Design For Sine Wave up to 225 MHz DRAWING NO.: RELEASED BY: APPROVED BY: DOCUMENT CONTROL ENGINEERING REVISION QT824, QT825 and QT826 Sine-Wave 32 Flat Pack DATE SCALE SIZE CAGE CODE NONE A 51774 A SHEET 1 of 7 1.0 SCOPE This specification establishes the detail requirements for low profile hybrid, hermetically sealed, SineWave output temperature compensated crystal oscillators (TCXO) for use in space flight missions. 2.0 APPLICABLE DOCUMENTS The following documents of the latest issue form a part of this drawing to the extent specified herein. 2.1 Specifications and Standards SPECIFICATIONS MILITARY MIL-S-19500 Semiconductor Devices, General Specification For MIL-PRF-55310 Crystal Oscillators, General Specification For MIL-PRF-38535 Integrated Circuits, (Microcircuits) Manufacturing, General Specification For MIL-PRF-38534 Hybrid Microcircuits, General Specification For STANDARDS MILITARY 2.2 MIL-STD-202 Test Methods for Electronic and Electrical Component Parts MIL-STD-883 Test Methods and Procedures for Microelectronics MIL-STD-1686 Electrostatic Discharge Control Program for Protection of Electrical and Electronics Parts, Assemblies and Equipment. Conflicting Requirements In the event of conflict between requirements of this specification and other requirements of the applicable detail drawing, the precedence in which requirements shall govern, in descending order, is as follows: a) Applicable Customer purchase order. b) Applicable detail drawing. c) This specification. d) Other specifications or standards referenced in 2.1 herein. 2.3 Customer Purchase Order Special Requirements Additional special requirements shall be specified in the applicable Customer purchase order when additional requirements or modifications specified herein are needed for compliance to special program or product line requirements. 3.0 PERFORMANCE REQUIREMENTS 3.1 General Definition The TCXO is a high reliability signal generator that provides a sine-wave output. The TCXO has been designed to operate in a spaceflight environment with an expected lifetime in excess of 15 years. Lifetime is defined as the sum of operational and storage environments. Q-TECH Corporation 10150 W. Jefferson Blvd. Culver City, CA 90232 SIZE CAGE NO. A 51774 QT824, QT825 and QT826 Sine-Wave 32 Flat Pack Sheet 2 of 7 REV. A 3.1.1 Electrical Characteristics PARAMETER Frequency Nom. SYMBOL Fo - Supply voltage, Nom. Input Current, max. Freq. stability vs. temperature (including 5% Load Change and 5% Input Voltage change) Electrical Frequency Adjustment Min. (when specified) Vs VALUE See part number generation table See part number generation table Vs5% Is Vs, nom. / Ta=+25C f/fc (Ta) Aging Max Freq. stability vs. Vacuum Short term stability RF Output 30 Contact factory for other options available f/fo (Vcc) f/fo f/fo f/fc(t) Harmonics Max. Sub-harmonics Max. Phase noise @ freq. offset 5 PPM Two options: 1) via an external select-at-test resistor connected from Pin 1 to Ground 2) Via External tuning voltage over 10 year (first year 1 ppm) Met by design, not tested t=1sec. (Allan variance) Sine Class S, 100 krads (Si) total dose Min (f) (f) (f) (f) (f) Spurious V mA ppm 5.0 ppm 5.0 0.2 ppm ppm 0.001 30 to 75 75.1 to 225 3rd 3rd X ppm MHz See part number generation table dBm See part number generation table -20 N/A -80 -110 -135 -145 -145 f=10Hz f=100Hz f=1kHz f=10kHz f=100kHz Under static conditions. Met by design, not tested. 50 UNIT MHz See part number generation table Contact factory for other options available Output level Min. 3.2 CONDITIONS -70 -20 -20 Contact factory for options available dBc dBc dBc/Hz dBc/Hz dBc/Hz dBc/Hz dBc/Hz dBc Absolute Maximum Rating Supply Voltage 0 to +16.5 VDC DC Input Current 50 mA maximum Storage Temperature range -62C to +125C Lead Temperature (Soldering, 10 seconds) 3.2.1 300C Physical Characteristics 3.2.1.1 Dimensions - The TCXO outline dimensions and terminal connections shall be as shown in Figure 1 herein. 3.2.1.2 Weight - The TCXO shall weigh less than or equal to 25 grams. 3.2.1.3 Materials - The TCXO package body and lead finish shall be gold in accordance with MIL-PRF-38534. Q-TECH Corporation 10150 W. Jefferson Blvd. Culver City, CA 90232 SIZE CAGE NO. A 51774 QT824, QT825 and QT826 Sine-Wave 32 Flat Pack Sheet 3 of 7 REV. A 3.2.2 Environmental Conditions Sine Vibration Random Vibration Shock Acceleration Altitude Radiation Electrostatic Discharge Sensitivity 3.3 MIL-STD-202, Method 204, TC "D" MIL-STD-202, Method 214 TC "I-K" (15 minutes per axis) MIL-STD-202, Method 213, TC "F" MIL-STD-883, Method 2001, TC "A" 50,000 feet minimum to deep space Radiation testing is not performed, but these TCXOs have been acceptable for use in environments up to 100K rads by analysis of the components used. Only bipolar semiconductors are employed. A copy of the parts list and materials can be provided for review. The electronics used in the TCXO shall be single event latchup free. The TCXO supplied to this drawing shall be considered to be electrostatic discharge sensitive and require further protection and shall use one of the packaging requirements in accordance with MIL-PRF-38534, Category A, Section 5.3.2.4 Transportability. The TCXO shall be capable of being transported by air, ship or road when packaged in a suitable container. Design and Construction The design and construction of the crystal oscillator shall be as specified herein. As a minimum, the oscillators shall meet the design and construction requirements of MIL-PRF-55310, except element evaluation shall be as specified in 3.3.1. Operation Design, Construction & Component Screen (see 3.3.2) Workmanship Screening Non-Destruct Wire Bond Pull Internal Visual Stabilization Bake Thermal Shock Temperature Cycling Constant Acceleration Seal Test (fine & gross) PIND Electrical Test Burn-In (Powered with load) Electrical Test Radiographic Group A Group B (30 day Aging @ +70 C) External visual Q-TECH Corporation 10150 W. Jefferson Blvd. Culver City, CA 90232 MIL-PRF-55310 Class S M883, Method 2017 for Class S MIL-PRF-55310 Class S 100%, M883, Method 2023 (2.4 grams) MIL-STD-883, methods 2017 & 2032 condition K (class S). During the time interval between final internal visual inspection and preparation for sealing, hybrid crystal oscillators shall be stored in a dry, controlled environment as defined in MIL-STD-883, method 2017 or in a vacuum bake oven. 48 hrs minimum @ +150 C M883, Method 1008 TC B M883, Method 1011, TC A M883, Method 1010, TC B M883, Method 2001, TC A (5000 gs, Y1 Axis only) 100% Method 1014, (TC A1 for fine leak and TC C for gross leak) M883, Method 2020, TC B Frequency, Output levels, Input Current@ +25 C +125 C for 240 hours Frequency, Output levels, Input Current @ +25C & Temp Extremes listed on the Electrical Specification M883, Method 2012 class S 100% 100% 883 Method 2009 SIZE CAGE NO. A 51774 QT824, QT825 and QT826 Sine-Wave 32 Flat Pack Sheet 4 of 7 REV. A 3.3.1 All piece parts shall be derived from lots that meet the element evaluation requirements of MIL-PRF38534, Class K, with the following exceptions: Active Elements a) Visual inspection of silicon on sapphire microcircuits. Semicircular crack(s) or multiple adjacent cracks, not in the active area, starting and terminating at the edge of the die are acceptable. Attached (chip in place) sapphire is nonconductive material and shall not be considered as foreign material and will be considered as nonconductive material for all inspection criteria. b) Subgroup 4, Scanning Electron Microscope (SEM) inspection. The manufacturer may allow the die distributor, at his option, to select two (2) dice from a waffle pack (containing a maximum quantity of 100 die), visually inspect for the worst case metallization of the 2 dice, and take SEM photographs of the worst case. c) Subgroup 5 radiation tests. Subgroup 5 radiation tests are not required unless otherwise specified in the detail purchase order. 3.3.2 Processes - Processes used for manufacturing the TCXO are selected on the basis of their ability to meet the quality requirements for space High Reliability manufacturing. Travelers or Process Cards are used in the manufacturing and testing of all of the TCXO Series, and might be available for customer review. Copies of these Travelers can be provided with the TCXOs at time of shipment, if so specified on the purchase order. 3.3.3 Interchangeability - Each TCXO shall be interchangeable without using a special selection process. 3.3.4 Product Marking - Each unit shall be permanently marked with the manufacturer's name or symbol, part number, lot date code number, and serial number. The unit shall be marked with the outline of an equilateral triangle near pin 1 to show that it contains devices which are sensitive to electrostatic discharge. 3.4 Parts Program Devices delivered to this specification represent the standardized Parts, Materials and Processes (PMP) Program developed, implemented and certified for advanced applications and extended environments. 3.4.1 Quartz Crystal Resonator - The crystal resonator used shall be constructed using a 4 point mount premium synthetic swept Quartz and procured to Q-TECH SCD. (For the Engineering models, nonswept quartz may be used). 3.5 Traceability Requirements Material, element and process traceability requirements shall be as specified by MIL-PRF-38534 for Class K hybrids. 3.6 Data 3.6.1. Design Documentation - When required by the purchase order, design, topography, process and flow charts for all assembly/inspection and test operation for devices to be supplied under this specification on the initial procurement shall be established and shall be available in-plant for review by the procuring activity upon request. This design documentation shall be sufficient to depict the physical and electrical construction of the devices supplied under the specification and shall be traceable to the specific parts, drawings or part type numbers to which it applies, and to the production lot(s) and inspection lot codes under which devices are manufactured and tested so that revisions can be identified. Q-TECH Corporation 10150 W. Jefferson Blvd. Culver City, CA 90232 SIZE CAGE NO. A 51774 QT824, QT825 and QT826 Sine-Wave 32 Flat Pack Sheet 5 of 7 REV. A 3.6.2. Technical Data Package - When required by the purchase order, the following design documentation and information is deliverable 30 days prior to the start of production. The Technical Data Package shall consist of the following: a) Assembly drawing(s). b) All electrical schematics and drawings not considered proprietary. c) The assembly and screening travelers to be used on-line to manufacture the devices supplied to this specification. d) Parts and materials list. 3.7 Test Report A test report is supplied with each shipment of oscillators and includes the following information, as a minimum: a) A Certificate of Conformance to all specifications and purchase order requirements. As a minimum, the Certificate of Conformance shall include the following information: Purchase order number. Applicable part number. Manufacturer's lot number. Lot date code. b) Parts and materials traceability information. c) Certificate of crystal sweeping. d) Manufacturing lot traveler. e) Screening attributes and variables data as applicable. f) Quality conformance inspection attributes and variables data as applicable. g) Radiographic inspection negatives. 3.8 Engineering Models Engineering Models are fit, form, and function representative of Flight Models and of commercial construction using commercial parts of same generic type as Flight Models. Completed oscillators are not screened. NOTES: This oscillator is offered to meet the specifications above and is not guaranteed to meet any other requirements. Q-TECH Corporation 10150 W. Jefferson Blvd. Culver City, CA 90232 SIZE CAGE NO. A 51774 QT824, QT825 and QT826 Sine-Wave 32 Flat Pack Sheet 6 of 7 REV. A PART NUMBER GENERATION Engineering Models are designated by adding "E" in front of the part number. N: 0...+50......... Stability Over Temperature 1 ppm P: 0...+70......... 1 ppm R: External resistor Q: 0...+70......... 2 ppm V: External voltage R: 0...+70.......... 5 ppm U: -20...+70....... 1 ppm V: -20...+70....... 2 ppm W: -20...+70...... 5 ppm X: -40...+85....... 4 ppm Y: -40...+85....... 5 ppm Z: -40...+85....... 10 ppm Temperature Range (C) Output type and supply voltage Series QT82: 32 Pin Flat Pack 4: SINE WAVE +3dBm .....5V (available from 10 to 5: SINE WAVE +7dBm ....12V 225 MHz) 6: SINE WAVE 7dBm ....,15V Frequency Range External Tuning (MHz) 10...225 X: No tuning (See note 1 below) 1. Variations from standard specification are available, please contact factory. EXAMPLE: QT825U-100.000000-R would be a HF TCXO, 32 pin SMD flat pack, sine-wave 12 volts, stability 1 ppm over -20...+70C, @ 100 MHz with external tuning via external resistor. FIGURE 1 INTERFACE CONTROL DRAWING 32 pin Flat-Pack ESD SYMBOL FOR PIN NO. 1 Q-TECH USA PART NUMBER FREQUENCY D/C S/N PIN NO. DESIGNATION 1-3 NC External Frequency Adjustment (when specified) Ground/Case NC Supply Voltage RF Output Supply Voltage NC 4 5 6 - 10 11 12 13 14 - 32 4X R. 025 MAX. .200 MAX. 32X .072 .007 32X .010 .002 1.015 MAX. .325 .025 2 PLACES 30X .050 .005 NON-ACCUMULATIVE 16 17 2X .750 TYP. REF. 1.015 MAX. 1 NOTES: * Dimensions are in inches. * Lead numbers are for reference only and are not marked on the unit. * A triangle symbol is marked on the corner of the package to indicate Pin 1 * All pins with NC function may not be connected as external tie or connections (Pins may be connected internally). 32 2X .125 REF. 32X .015 .003 Q-TECH Corporation 10150 W. Jefferson Blvd. Culver City, CA 90232 SIZE CAGE NO. A 51774 QT824, QT825 and QT826 Sine-Wave 32 Flat Pack Sheet 7 of 7 REV. A