VOLTAGE CONTROLLED
CRYSTAL OSCILLATORS
HCMOS/TTL 3.3V
FULL SIZE D.I.L.
M package
HALF SIZE D.I.L.
H package
M2306
M2321, M2322
M2331, M2332
M2341, M2342
H2306
H2321,H2322
H2331, H2332
H2341, H2342
Thru-Hole / Gull Wing
Commercial: 0º to 70ºC
1 MHz to 150 MHz
GUARANTEED CAPTURE RANGE/ABSOLUTE PULL RANGE
Guaranteed Capture Range (GCR) and Absolute Pull Range (APR) are terms often used interchangeably.
MF's Guaranteed Capture Range (GCR) is defined as the minimum guaranteed frequency deviation or
"pull" (in ppm) around the nominal frequency, with all effects of temperature, variations in VDD and load
taken into account. This amount of absolute frequency deviation is available under all operating conditions
for modulation or capturing other signals. No additional frequency capture allowances are necessary.
FEATURES
•
Excellent incrememtal and best-straight-line linearity
•
Start-up time is less than 5ms
•
Each unit is ATE-tested to guarantee full compliance with all electrical specifications
TYPICAL APPLICATIONS
•
Phase locked loops and data acquisition projects, including:
– xDSL customer premise equipment
– Cable modems
– ATM/SONET/SDH
Description
These thru-hole VCXOs generate a 3.3
volt HCMOS/TTL frequency output which
is controlled ("pulled") by an input volt-
age. MF Electronics' VCXO specification
defines not only the end-point frequency/
voltage parameters, but also the center
voltage at which the nominal frequency
is acheived.
CONNECTIONS
Full Size
Pin 1.
Pin 4.
Pin 5.
Pin 7.
Pin 8.
Pin14.
Half Size
Control Voltage, V
C
Control Voltage, V
C
Ground & Case
Output
Ground & Case
Output
+3.3V, V
DD
+3.3V, V
DD
DOT
DENOTES
PIN 1
DOT
DENOTES
PIN 1
DOT
DENOTES
PIN 1
.800 – .005
DOT
DENOTES
PIN 1
.52 MAX
SQUARE
.800 – .005
.52 MAX
SQUARE
.200 MAX
.270 MAX
.200 MAX
.070
.018
.200 MAX
.215 MAX
.018 – .001
.060 TYP
.300 – .005
.400
.600 – .005
Pin 1
.100 – .005
Pin 7
.300 –. 005
.500 – .005
.150
Pin 14
Pin 8
.250 MAX
.008/025 .15 MIN
.2 MAX
.160
.018
.300
Pin 1
1
4
.300
8
5
Pin 14
.2
MAX
.018 – .001
.600 – .005
.300
+.004
Pin 7
.520 – .005
.300 –. 005
Pin 8
1
8
4
5
.300
+.004
GLASS INSULATORS (4)
GLASS INSULATORS (4)
on .48 x .18 ctrs.
Glass Insulators (4)
“M” Package
“H” Package
“M” Package
with Gull Wing
“H” Package
with Gull Wing
ELECTRONICS
10 Commerce Dr • New Rochelle NY 10801
International Sales: +1.914-712-2200
•
USA Sales: +1.800.331.1236
•
Fax: 914.712.2290
•
www.mfelectronics.com
•
email:sales@mfelectronics.com
1 of 3
VOLTAGE CONTROLLED
CRYSTAL OSCILLATORS
HCMOS/TTL 3.3V
Thru-Hole /Gull Wing
Commercial: 0º to 70ºC
1 MHz to 150 MHz
FULL SIZE D.I.L.
M package
HALF SIZE D.I.L.
H package
M2306
M2321, M2322
M2331, M2332
M2341, M2342
H2306
H2321,H2322
H2331, H2332
H2341, H2342
Center Frequency is Between Two Voltages
Control
Voltage
(Volts)
0 to 3.0
Frequency
Deviation
(ppm)
± 150 min
Guaranteed Control
Center
Capture
Voltage Frequency
Range
at Center Stability
(ppm)
Frequency
(ppm)
± 150
—
± 30, typ
± 50, max
DESCRIPTIONS
M2306, H2306
M2321, H2321
M2322, H2322
M2331, H2331
M2332, H2332
M2341, H2341
M2342, H2342
±150 ppm, min. deviation when using
0 to 3 control-voltage
±75 ppm capture when using using 0.5 to 2.5V
control-voltage and 1.5V center with ±50 ppm stability
±100 ppm capture when using using 0.5 to 2.5V
control-voltage and 1.5V center with ±50 ppm stability
±75 ppm capture when using using 0.5 to 2.5V
control-voltage and 1.5V center with ±25 ppm stability
±100 ppm capture when using using 0.5 to 2.5V
control-voltage and 1.5V center with ±25 ppm stability
±75 ppm capture when using using 0.5 to 2.5V
control-voltage and 1.5V center with ±20 ppm stability
±100 ppm capture when using using 0.5 to 2.5V
control-voltage and 1.5V center with ±20 ppm stability
MODEL
2306
Center Frequency is at 1.5V with ±50 ppm stability
Control
Voltage
(Volts)
0.5 to 2.5
0.5 to 2.5
Frequency
Deviation
(ppm)
± 75 to 150
± 100 to 200
Guaranteed Control
Center
Capture
Voltage Frequency
Range
at Center Stability
(ppm)
Frequency
(ppm)
± 75
± 100
1.5
1.5
± 30, typ
± 50, max
MODEL
2321
2322
Center Frequency is at 1.5V with ±25 ppm stability
Control
Voltage
(Volts)
0.5 to 2.5
0.5 to 2.5
Frequency
Deviation
(ppm)
± 75 to 150
± 100 to 200
Guaranteed Control
Center
Capture
Voltage Frequency
Range
at Center Stability
(ppm)
Frequency
(ppm)
± 75
± 100
1.5
1.5
± 20, typ
± 25, max
MODEL
2331
2332
FREQUENCY STABILITY
Frequency stability vs. Temperature (0 to 70°C) is typically better than
±20 ppm. Since the deviation of each oscillator is tested and guaranteed
over the whole operating temperature range, it is not necessary to make
additional capture allowances. All oscillators will capture frequencies with
the full minimum values of the deviation under all conditions.
QUALITY
Each VCXO is computer-tested at three temperatures to guarantee full
compliance to the specification.
Center Frequency is at 1.5V with ±20 ppm stability
Control
Voltage
(Volts)
0.5 to 2.5
0.5 to 2.5
Frequency
Deviation
(ppm)
± 75 to 150
± 100 to 200
Guaranteed Control
Center
Capture
Voltage Frequency
Range
at Center Stability
(ppm)
Frequency
(ppm)
± 75
± 100
1.5
1.5
± 15, typ
± 20, max
MODEL
2341
2342
150
PIN 1.
CONTROL VOLTAGE
V
DD
+3.3V
Power
Supply
GND
Half Size connections shown in ( )
To adapt Fet probe to receptacle
use Tektronix Part #103-0164-00
To connect output to scope use
use Tektronix Part #131-0258-00 (receptacle)
MA
1
(1)
14
(8)
Frequency Deviation, ppm
100
50
FET PROBE
350 MHz
SCOPE
LOAD
Y-OUTPUT
0
-50
-100
7
(4)
8
(5)
COUNTER
-150
0.5
1.0
1.5
2.0
2.5
Control Voltage, Vc
ALL OSCILLATORS HAVE INTERNAL BYPASS CAPACITORS
TEST CIRCUIT
Fig. 1 Frequency vs. Control Voltage
for M2331-16M
ELECTRONICS
10 Commerce Dr • New Rochelle NY 10801
International Sales: +1.914-712-2200
•
USA Sales: +1.800.331.1236
•
Fax: 914.712.2290
•
www.mfelectronics.com
•
email:sales@mfelectronics.com
2 of 3
VOLTAGE CONTROLLED
CRYSTAL OSCILLATORS
HCMOS/TTL 3.3V
Thru-Hole /Gull Wing
Commercial: 0º to 70ºC
1 MHz to 150 MHz
FULL SIZE D.I.L.
M package
HALF SIZE D.I.L.
H package
M2306
M2321, M2322
M2331, M2332
M2341, M2342
H2306
H2321,H2322
H2331, H2332
H2341, H2342
ELECTRICAL SPECIFICATIONS
Frequency Range
1 MHz to 150 MHz
Frequency Stability
Includes calibration at 25°C, operating temperature,
change of input voltage, change of load, shock and
vibration.
Center Frequency Range
1 MHz to 150 MHz
V
C
= 1.5V
Frequency Stability
V
C
= 1.5V
±25 or ±50 ppm, max.
as shown in model specification
Input Voltage, V
DD
Input Current
1 KHz to 10 MHz
10.1 to 25 MHz
25.1 to 50 MHz
50.1 to 75 MHz
75.1 to 125 MHz
Output Levels
“0” Level, sinking 16 mA
“1” Level, sourcing 8 mA
Rise and Fall Times
CMOS, 15 pf,
20 to 80% (<60 MHz)
CMOS, 30 pf,
20 to 80% (<60 MHz)
CMOS, 50 pf,
20 to 80% (<60 MHz)
CMOS, 15 pf,
20 to 80% (>60 MHz)
CMOS, 30 pf,
20 to 80% (>60 MHz)
Symmetry
CMOS, @ 50% V
DD
Aging
First year
After first year
Input Impedance
Control Voltage
Control Voltage Bandwidth
15
MIN
3.0
TYP
3.3
8
15
20
25
30
MAX
3.6
14
20
30
35
40
0.4
V
DD
-.4
UNITS
volts
mA
mA
mA
mA
mA
volts
volts
ENVIRONMENTAL SPECIFICATIONS
Temperature
Operating
Storage
0º to 70°C
-55º to +125°C
Temperature Cycle
– Not to exceed ±5 ppm change when exposed to 2
hours maximum at each temperature from 0 to 120°C, with 25°C reference
Shock
– 1000 Gs, 0.35 ms, 1/2 sine wave, 3 shocks in each plane
Vibration
– 10-2000 Hz of .06" d.a. or 20 Gs, whichever is less
Humidity
– Resistant to 85° R.H. at 85°C
MECHANICAL SPECIFICATIONS
Gross Leak
– Each unit checked in 125°C fluorocarbon
Fine Leak
– Mass spectrometer leak rate less than 2 X 10-8 atmos,
cc/sec of helium
Pins
– Kovar, nickel plated with 60/40 solder coat
Bend Test
– Will withstand two bends of 90° from reference
Header
– Steel, with nickel plate
Case
– Stainless steel, type 304
Marking
– Permanent black epoxy ink or laser marked
Resistance to Solvents
– MIL STD 202, Method 215
3.0
4.0
6.0
2.0
3.0
48/52
3
1
15
150
4
5
8
2.5
4.5
45/55
ns
ns
ns
ns
ns
percent
ppm
ppm/yr
1000
Kohms
KHz
HOW TO ORDER
For Part Number, put package type before model number,
and add frequency in MHz, for example:
M 2 3 3 1-1 6 . 3 6 4 M
Fig. 2. H2321-19.44M
with 33 pf load
“M” is full size DIL
“H” is half size DIL
“2331”
is model
type
“16.364 M”
Leave blank
frequency for straight leads
in MHz
Add “G” for
gullwing
Unless customer-specific terms and conditions
are signed by an officer of MF Electronics, the
sale of this and all MF Electronics products are
subject to terms and conditions set forth at
www.mfelectronics.com/terms
SS#
M2306
Rev.
A
ELECTRONICS
10 Commerce Dr • New Rochelle NY 10801
International Sales: +1.914-712-2200
•
USA Sales: +1.800.331.1236
•
Fax: 914.712.2290
•
www.mfelectronics.com
•
email:sales@mfelectronics.com
3 of 3
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