Q-Tech QTV702 User Manual
GENERAL RELEASE DOCUMENT
CONSULT FACTORY FOR CURRENT REVISION
REVISIONS
REVISION
DESCRIPTION
APPROVED
DATE
1.0
Preliminary
Luis Vargas
8/13/2010
SPECIFICATION CONTROL DRAWING
Q-TECH CORPORATION
10150 W. JEFFERSON BLVD.
CULVER CITY, CA 90232-3510
PREPARED BY:
Luis Vargas
DATE
8/13/10
LOW PROFILE 24 PIN DDIP HYBRID CRYSTAL
OSCILLATOR, VCXO, CLASS S,
Standard Design For HCMOS up to 90MHz
UNLESS OTHERWISE
SPECIFIED, DIMENSIONS
ARE IN INCHES.
TOLERANCES:
3 PLACE DECIMAL = .005
2 PLACE DECIMAL = .02
1 PLACE DECIMAL = .1
FRACTIONS = ± 1/16
ANGLES = 2 DEGREES
CHECKED BY:
QUALITY
DATE
DRAWING NO.:
QTV701 and QTV702 Square-Wave
REVISION
1.0
RELEASED BY:
DOCUMENT CONTROL
APPROVED BY:
ENGINEERING
DATE
SCALE
NONE
SIZE
A
CAGE CODE
51774
SHEET 1 of 8
QTV701 and QTV702 Square-
Wave
REV.
Q-TECH Corporation
10150 W. Jefferson Blvd.
Culver City, CA 90232
SIZE
A
CAGE NO.
51774
Sheet 2 of 8
1.0
1.0 SCOPE
This specification establishes the detail requirements for low profile hybrid, hermetically sealed,
HCMOS output Voltage Control Crystal Oscillators (VCXO) 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
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.
2.2 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 VCXO is a high reliability signal generator that provides a square-wave output. The VCXO 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.
QTV701 and QTV702 Square-
Wave
REV.
Q-TECH Corporation
10150 W. Jefferson Blvd.
Culver City, CA 90232
SIZE
A
CAGE NO.
51774
Sheet 3 of 8
1.0
3.1.1 Electrical Characteristics
PARAMETER
SYMBOL
CONDITIONS
VALUE
UNIT
Frequency Nom.
fo - 2. to 90
MHz
Supply voltage, Nom.
Vs
Vs±5%
See part number
generation table
V
Input Current, max.
Is
Vs, nom. / Ta=+25°C
50
mA
Overall Frequency stability
(including Operating
Temperature, ±5% Load
Change, ±5% Supply
Voltage change, 10 year
aging, and radiation)
Δf/fc (Ta)
Contact factory for other
options available
See part number
generation table
ppm
Voltage Control Range For
Frequency Adjustment
Min.
Vc
DC
See part number
generation table
Volts
Control Voltage at which
fo will occur at 25°C
Vc/fo
DC
½Vc ±0.5
Volts
Frequency)Pulling)range,
Min
Δf/Vc
Over the voltage control range
See part number
generation table
ppm
Linearity, max.
Δf/V
-
10
%
Input impedance, min.
Zin
-
10.0
KΩ
Modulation freq.
bandwidth, min.
MBW (-3dB)
Vs, nom. / Ta=+25°C Vc/fo,
and 50Ω load
10.0
KHz
Output
VOH / VOL
load=15pF, Vcc=nom.
0.9•Vcc / 0.1•Vcc
V
Duty cycle
DC
load=15pF/ @50%Vcc,
Ta=+25°C
See part number
generation table
%
Rise- / fall time
tr / tf
20%~80% Vout, 80%~20%
Vout
.5…7 (see note A)
nSec
Load
15
pF
A:
Supply Current, rise & fall time are frequency dependent
3.2 Absolute Maximum Rating
Supply Voltage
0 to +6.0 VDC
DC Input Current
50 mA maximum
Storage Temperature range
-62°C to +125°C
Lead Temperature (Soldering, 10 seconds)
300°C
3.2.1 Physical Characteristics
3.2.1.1 Dimensions
- The VCXO outline dimensions and terminal connections shall be as shown in Figure 1
herein.
3.2.1.2 Weight
- The VCXO shall weigh less than or equal to 15 grams.
3.2.1.3 Materials
- The VCXO package body and lead finish shall be gold in accordance with MIL-PRF-38534.
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