Option e (pg 12), Engineering, Model – Q-Tech CLASS B+ User Manual
Page 12: See details in, Table iv, Screening option e (engineering model), Q-tech, Class b+ products
Q-TECH Corporation - 10150 W. Jefferson Boulevard, Culver City 90232 - Tel: 310-836-7900 - Fax: 310-836-2157 - www.q-tech.com
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Q-TECH
CORPORATION
QPDS-0001, Rev L, June 2013 (ECO #10851)
CLASS B+ PRODUCTS
HIGH RELIABILITY HYBRID CRYSTAL CLOCK OSCILLATORS
2.5 to 5.0Vdc - 15kHz to 350MHz
Test Description
MIL
Standard Method Condition Qty
Comments
Internal Visual
883
2017
Class H
100%
Stabilization Bake
883
1008
C
100%
48 hours at +150°C
Seal Fine and Gross Leak
883
1014
A1, C
100%
Final Electrical
Refer to Table IV-a and Detail Specification
100%
Frequency vs. Temperature Stability
55310
Measure output frequency at
10 equispaced points
minimum of the specified
operating temperature range
100%
External Visual
883
2009
100%
Screening Option E (Engineering Model)
(Example: QT122HCD9E-16.000MHz)
Parameters
Final
at 25ºC
Final
Low Temp
Final
High Temp
Output frequency
✓
✓
✓
Frequency/temperature stability
✓
✓
✓
Frequency/voltage stability
✓
✓
✓
Input current
✓
✓
✓
Output voltage
✓
✓
✓
Waveform
✓
✓
✓
Duty cycle
✓
✓
✓
Rise and fall times
✓
✓
✓
Start up time
✓
✓
✓
Tristate Function (if applicable)
✓
✓
✓
Table IV-a
Electrical Test – Measurement Requirements
Table IV
Engineering model oscillators will have the same design and manufacturing processes as to the flight units. Finished units will be
tested over the operating temperature range. No screening test and/or QCI are required.