Oven Controlled - OCXO Oscillators:

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We offer a wide choice of Oven Controlled Oscillators (OCXOs) for applications demanding very high temperature stability.

What is an Oven Controlled Crystal Oscillator (OCXO)?

An oven controlled crystal oscillator (OCXO) is a crystal oscillator that is temperature controlled by a mini internal oven. This type of oscillator has a temperature controlling circuit to maintain a consistent temperature of the crystal and other key components.

OCXOs are typically used when temperature stabilities of ±1 x 10-8 or better are required. While this type of oscillator has a tenfold improvement over a temperature compensated crystal oscillator (TCXO) for temperature vs. frequency stability, the OCXO tends to be higher in price and consumes more power.

OCXOs’ typical power consumption is 1.5W to 2.0W in a steady state condition (at +25°C ambient temperature).

The two most important qualities of an OCXO Oscillator

Bliley Technologies, whose products are available through Farnell, has defined the two most important qualities of an OCXO Oscillator as high stability and low phase noise.High stability: The signal stability of the oven controlled crystal oscillator is determined by the crystal's Q factor, which in turn is inversely proportional to the frequency at which the device is designed to operate. The higher the frequency, the less stable is the crystal. That is why most of the research done to develop new oven controlled crystal oscillator designs focuses on the need to create an oscillator which is able to remain stable even when operating at a high frequency.

The phase noise of an oscillator refers to the frequency domain represented by quick and short fluctuations that occur at random in the phase of a waveform. These fluctuations are a result of time variations that occur during the period in which the signal is processed.

In an ideal oscillator, the wave output of the frequency spectrum would be a line. This type of output isn't possible in the real world, and so the attempt while creating a more efficient oscillator is to keep the output reading as close to a straight line as possible, signalling the generation of low phase noise.

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73AJ1096

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Date/Lot Code

Each
1+
$239.430
5+
$232.630
10+
$225.230
Min: 1 / Mult: 1
10MHz
5ppb
CMOS
SMD, 25.4mm x 22.1mm
3.3V
AOCJY Series
0°C
50°C
40Y2090

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Date/Lot Code

Each (Supplied on Cut Tape)
Cut Tape
1+
$65.710
Min: 1 / Mult: 1
12.8MHz
20ppb
LVCMOS
SMD, 9.7mm x 7.5mm
3.3V
AOCJYR
-40°C
85°C
40Y2091

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Date/Lot Code

Each (Supplied on Cut Tape)
Cut Tape
1+
$148.070
10+
$142.970
25+
$141.950
50+
$140.920
100+
$132.760
Min: 1 / Mult: 1
20MHz
20ppb
LVCMOS
SMD, 9.7mm x 7.5mm
3.3V
AOCJYR
-40°C
85°C
15P2276

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Each
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$472.230
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$466.100
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$459.550
25+
$433.640
Min: 1 / Mult: 1
10MHz
0.2ppm
HCMOS
Through Hole, 20.14mm x 12.52mm
5V
OCXOV
0°C
60°C
40Y2089

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Date/Lot Code

Each (Supplied on Cut Tape)
Cut Tape
1+
$80.970
10+
$71.070
Min: 1 / Mult: 1
10MHz
25ppb
LVCMOS
SMD, 9.7mm x 7.5mm
3.3V
AOCJYR
-40°C
85°C
70AK2920

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Each
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$406.800
5+
$402.060
10+
$397.340
Min: 1 / Mult: 1
100MHz
100ppb
Sinewave
Through Hole, 20.2mm x 20.2mm
5V
5100 Series
-40°C
85°C
18AM2446

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Date/Lot Code

Each (Supplied on Cut Tape)
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$92.310
10+
$83.130
Min: 1 / Mult: 1
38.4MHz
30ppb
CMOS
SMD, 7.5mm x 5.5mm
3.3V
AOC75 Series
-40°C
95°C
25AM3748

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Each (Supplied on Cut Tape)
Cut Tape
1+
$103.110
10+
$100.630
25+
$94.580
50+
$92.610
100+
$90.490
Min: 5 / Mult: 5
10MHz
0.02ppm
HCMOS
SMD, 7.5mm x 5.5mm
3.3V
IQOV-116-1 Series
-40°C
95°C
18AM2449

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Date/Lot Code

Each (Supplied on Cut Tape)
Cut Tape
1+
$89.340
10+
$80.440
Min: 1 / Mult: 1
20MHz
50ppb
CMOS
SMD, 7.5mm x 5.5mm
3.3V
AOC75 Series
-40°C
105°C
25AM3750

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Each (Supplied on Cut Tape)
Cut Tape
1+
$103.110
10+
$100.630
25+
$94.580
50+
$92.610
100+
$90.490
Min: 5 / Mult: 5
20MHz
0.02ppm
HCMOS
SMD, 7.5mm x 5.5mm
3.3V
IQOV-116-1 Series
-40°C
95°C
18AM2447

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Date/Lot Code

Each (Supplied on Cut Tape)
Cut Tape
1+
$89.340
10+
$80.440
Min: 1 / Mult: 1
38.88MHz
30ppb
CMOS
SMD, 7.5mm x 5.5mm
3.3V
AOC75 Series
-40°C
95°C
18AM1572

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Date/Lot Code

Each (Supplied on Cut Tape)
Cut Tape
1+
$89.340
10+
$80.440
Min: 1 / Mult: 1
10MHz
30ppb
CMOS
SMD, 7.5mm x 5.5mm
3.3V
AOC75 Series
-40°C
95°C
04AM1046

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Date/Lot Code

Each (Supplied on Cut Tape)
Cut Tape
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$83.820
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$75.410
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$73.520
50+
$71.630
Min: 1 / Mult: 1
10MHz
10ppb
CMOS
SMD, 9.7mm x 7.5mm
3.3V
AOC97 Series
-40°C
95°C
64AK6695

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Date/Lot Code

Each
1+
$253.210
Min: 1 / Mult: 1
10MHz
10ppb
Sinewave
Through Hole, 25.4mm x 25.4mm
12V
AOCJY3 Series
-20°C
70°C
25AM3749

RoHS

Each (Supplied on Cut Tape)
Cut Tape
1+
$103.110
10+
$100.630
25+
$94.580
50+
$92.610
100+
$90.490
Min: 5 / Mult: 5
19.2MHz
0.02ppm
HCMOS
SMD, 7.5mm x 5.5mm
3.3V
IQOV-116-1 Series
-40°C
95°C
18AM2448

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Date/Lot Code

Each (Supplied on Cut Tape)
Cut Tape
1+
$100.040
10+
$90.090
Min: 1 / Mult: 1
10MHz
50ppb
CMOS
SMD, 7.5mm x 5.5mm
3.3V
AOC75 Series
-40°C
105°C
18AM2450

RoHS

Date/Lot Code

Each (Supplied on Cut Tape)
Cut Tape
1+
$103.630
10+
$93.310
Min: 1 / Mult: 1
38.4MHz
50ppb
CMOS
SMD, 7.5mm x 5.5mm
3.3V
AOC75 Series
-40°C
105°C
61AK2441

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Each (Supplied on Cut Tape)
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$203.000
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$198.270
Min: 1 / Mult: 1
40MHz
5ppb
LVCMOS
SMD, 9mm x 7mm
3.3V
SiT5711 Series
-40°C
85°C
61AK2443

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Each (Supplied on Cut Tape)
Cut Tape
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$223.290
Min: 1 / Mult: 1
20MHz
5ppb
LVCMOS
SMD, 9mm x 7mm
3.3V
SiT5711 Series
-40°C
85°C
61AK2445

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Each (Supplied on Cut Tape)
Cut Tape
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$201.860
Min: 1 / Mult: 1
40MHz
5ppb
LVCMOS
SMD, 9mm x 7mm
3.3V
SiT5711 Series
-40°C
85°C
61AK2442

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Each (Supplied on Cut Tape)
Cut Tape
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$257.460
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$249.430
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$230.190
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$217.340
Min: 1 / Mult: 1
10MHz
5ppb
LVCMOS
SMD, 9mm x 7mm
3.3V
SiT5711 Series
-40°C
85°C
61AK2444

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Each (Supplied on Cut Tape)
Cut Tape
1+
$242.030
10+
$241.090
25+
$240.140
50+
$239.200
Min: 1 / Mult: 1
25MHz
5ppb
LVCMOS
SMD, 9mm x 7mm
3.3V
SiT5711 Series
-40°C
85°C
07AM7034

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Date/Lot Code

Each
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$2,488.020
5+
$2,395.140
10+
$2,302.260
Min: 1 / Mult: 1
10MHz
0.2ppm
CMOS
Through Hole, 60mm x 60mm
5V
ABCM-60 Series
-40°C
85°C
07AM7033

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Date/Lot Code

Each
1+
$2,292.340
5+
$2,206.770
10+
$2,121.190
Min: 1 / Mult: 1
10MHz
0.2ppm
CMOS
Through Hole, 60mm x 60mm
5V
ABCM-60 Series
-40°C
85°C
07AM7207

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Date/Lot Code

Each (Supplied on Cut Tape)
Cut Tape
1+
$76.830
10+
$69.130
25+
$67.390
50+
$65.650
Min: 1 / Mult: 1
20MHz
10ppb
CMOS
SMD, 9.7mm x 7.5mm
3.3V
AOC97 Series
-40°C
95°C
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