Q-Tech QT641C - Manual (Page 3)

4.3 Quality Conformance Inspection. Quality Conformance Inspection shall be in accordance with the
General Specification and shall be required only when specified by the purchase order.
5 PACKAGING
5.1 Preservation, packaging and packing. Hybrid crystal oscillators shall be prepared for delivery in
accordance with the General specification.
6 NOTES
6.1 Notes. The notes of the General Specification are applicable to this drawing.
6.2 Ordering information. The procuring activity shall advise Q-Tech Corporation at the time of Request for
Quotation if quality conformance inspection is to be required.
6.3 Part number. QT641 C B 1 M - 16.000000 MHZ
Model #
Supply voltage: C: + 5.0 volts
Temp stability - see Table I
Duty cycle: 1: 60/40%
2: 45/55% (available up to 100 MHz)
Screening: E: engineering model; M: flight model
Frequency (8 digits)
± 5 PPM, 0 °C TO + 55 °C H *
± 25 PPM, - 20 °C TO + 70 °C G
± 50 PPM, - 20 °C TO + 70 °C F
± 30 PPM, - 40 °C TO + 85 °C E
± 40 PPM, - 55 °C TO + 105 °C D
± 50 PPM, - 55 °C TO + 105 °C C
± 50 PPM, - 55 °C TO + 125 °C B
± 65 PPM, - 55 °C TO + 125 °C A
TEMP STABILITY OPTION
TABLE I. STABILITY / TEMPERATURE OPTIONS
* Frequency/Temperature stability (tolerance) shall be referenced to the specified nominal output
frequency, except for temp code H, in which case it is with reference to room temperature (T = 25
± 2 °C). For temp code H, room temperature tolerance shall be ±10 PPM.
7 SOURCE OF SUPPLY
7.1 Approved manufacturer.
Q-Tech Corporation
10150 W. Jefferson Blvd.
Culver City, Ca. 90232 U.S.A.
THIS DOCUMENT IS CONSIDERED PROPRIETARY TO Q-TECH CORPORATION
DO NOT COPY OR DISTRIBUTE WITHOUT Q-TECH CORPORATION APPROVAL
Q-Tech Corporation
10150 W. Jefferson Blvd.
Culver City, CA. 90232
Specification number: QT641C rev. C
Sheet 3 of 5
ITAR-CONTROLLED Q-TECH PROPRIETARY DO NOT COPY OR DISTRIBUTE WITHOUT Q-TECH APPROVAL