OC14T12A-10.000-0.1/-20+70 MERCURY UNITED ELECTRONICS, OC14T12A-10.000-0.1/-20+70 Datasheet

OCXO, 10MHZ, THROUGH HOLE

OC14T12A-10.000-0.1/-20+70

Manufacturer Part Number
OC14T12A-10.000-0.1/-20+70
Description
OCXO, 10MHZ, THROUGH HOLE
Manufacturer
MERCURY UNITED ELECTRONICS
Series
OC14r

Specifications of OC14T12A-10.000-0.1/-20+70

Operating Temperature Range
-20°C To +70°C
Load Capacitance
15pF
Resonator Case
Through Hole
No. Of Pins
4
Crystal Output Logic
HCMOS
Frequency
10MHz
Supply Voltage
11.4V To 12.6V
Frequency Tolerance
± 0.1ppm
Oscillator Mounting
Through Hole
What is an OCXO ?
±1~±3 ppm range while a non-compensated clock oscillator performs in the ±25, ±50 ppm range.
dependent frequency behavior. An OCXO has a crystal that is “ovenized”. This means the crystal “sees” a
constant temperature regardless the ambient temperature condition. The oven consists of a proportional heater
(power transistor) and automatic gain control (AGC) circuit. Also, a thermister monitors the oven temperature
and sends offset signal to the AGC which then turns the power transistor on and off accordingly. Thermal
gradient and heat loss are carefully controlled to minimize the set point fluctuation of the oven. Oven
temperature is normally set near the upper tuning point (UPT) of the crystal’s freq.-temp. curve. At the UPT the
slope is zero and ideally no frequency change if the crystal “sees” a constant temperature.
SONET clocks, frequency synthesizers and instrumentation.
Product Summary:
OC14
OC22
OC30
OC24
Package Types
“ O C X O”
U.S.A.: TEL (1)-909-466-0427, FAX (1)-909-466-0762, e-mail:
Taiwan: TEL (886)-2406-2779, FAX (886)-2-2496-0769, e-mail: sales-tw@mercury-crystal.com
A TCXO relies on resistor / capacitor compensation network to counter the crystal’s temperature-
Applications of OCXO include satellite radio beacons, Stratum 3 systems, PCS/GSM base stations,
Relatively speaking, an OCXO performs in the ±0.01~±0.1 ppm range, a TCXO performs in the
MERCURY
Zero slope
1 ~ 170 MHz
1 ~ 60 MHz
1 ~ 60 MHz
1 ~ 170 MHz
Frequency Range
Available
lower tuning point
+90°C
Oven Controlled Crystal Oscillators
MERCURY
4 pin DIP. Hermetically sealed.
7 pin
5 pin
4 pin gull wing. Hermetically sealed.
upper tuning point
Temperature
Output Wave Form: TTL/ CMOS Square Wave
Page 1 of 6
SC cut
AT cut
Gull Wing Surface Mount Types
Thru-Hole Types
www.mercury-crystal.com
Package size (mm),
L x W x seat height
Reference
Oven
Heater
bridge
Date: Sept. 15, 2003
- t
o
12.8 x 20.2 x 10.8
50.8 x 50.8 x19.0
39.7 x 30.2 x 22.9
12.8 x 20.2 x 10.8
sensor
sales-us@mercury-crystal.com
Oscillator
[0.504 x 0.795 x 0.425]
[2.000 x 2.000 x 0.750]
[1.562 x 1.188 x 0.900]
[0.504 x 0.795 x 0.425]
Package size (inches),
L x W x seat height
AGC
Rev. 1
MERCURY
Since 1973
Heater

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OC14T12A-10.000-0.1/-20+70 Summary of contents

Page 1

... O” Oven Controlled Crystal Oscillators What is an OCXO ? Relatively speaking, an OCXO performs in the ±0.01~±0.1 ppm range, a TCXO performs in the ±1~±3 ppm range while a non-compensated clock oscillator performs in the ±25, ±50 ppm range. A TCXO relies on resistor / capacitor compensation network to counter the crystal’s temperature- dependent frequency behavior. An OCXO has a crystal that is “ ...

Page 2

... O” Oven Controlled Crystal Oscillators OC14 and OC24, General Specifications Output Wave From Frequency Range Standard Frequencies (partial list) Type of Crystal Cut Supply Voltage (Vcc) Initial Frequency Accuracy (at+25°C) vs Operating Temperature Range (referenced to +25°C) vs Aging /1 day vs Aging /first year ...

Page 3

... O” Oven Controlled Crystal Oscillators OC14 and OC24, SSB Phase Noise: OC14T5A-10.000 (AT cut crystal) dBc/Hz -70 -80 -90 -100 -110 -120 -130 -140 -150 -160 100 10 1 Part Number Format and Examples: Package Code “5” for +5.0V D.C “12” for +12.0V D.C “A” for AT-cut ...

Page 4

... O” Oven Controlled Crystal Oscillators OC22 and OC30, AT and SC Crystals General Specifications Output Wave From Frequency Range Standard Frequencies (partial list) Supply Voltage (Vcc) Type of Crystal Cut vs Operating Temperature Range (referenced to +25°C) vs Aging /1 day vs Aging /first year vs short term ...

Page 5

... O” Oven Controlled Crystal Oscillators OC22 and OC30, AT and SC Crystals SSB Phase Noise: OC30E12S-10.000 (SC-cut crystal -70 -80 -90 -100 -110 -120 -130 -140 -150 -160 Part Number Format and Examples: Package Code “5” for +5.0V D.C “12” for +12.0V D.C “A” for AT-cut ...

Page 6

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