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+
$153.090
5+
$147.400
10+
$141.690
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+
$54.310
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)
1+
$118.590
10+
$114.700
25+
$113.920
50+
$113.140
100+
$106.920
Min: 1 / Mult: 1
Min: 10 / 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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$387.220
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$382.640
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$377.760
25+
$358.430
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
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$67.390
10+
$59.840
Min: 1 / Mult: 1
10MHz
25ppb
LVCMOS
SMD, 9.7mm x 7.5mm
3.3V
AOCJYR
-40°C
85°C
18AM2446

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Date/Lot Code

Each (Supplied on Cut Tape)
Cut Tape
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$60.140
10+
$53.130
Min: 1 / Mult: 1
38.4MHz
30ppb
CMOS
SMD, 7.5mm x 5.5mm
3.3V
AOC75 Series
-40°C
95°C
70AK2920

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Each
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$260.560
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$256.950
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$253.340
Min: 1 / Mult: 1
100MHz
100ppb
Sinewave
Through Hole, 20.2mm x 20.2mm
5V
5100 Series
-40°C
85°C
25AM3748

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Each (Supplied on Cut Tape)
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$66.390
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$64.520
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$59.970
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$58.480
100+
$56.900
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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Each (Supplied on Cut Tape)
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$58.200
10+
$51.410
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
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$67.370
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$65.470
25+
$60.860
50+
$59.350
100+
$57.740
Min: 1 / Mult: 1
20MHz
0.02ppm
HCMOS
SMD, 7.5mm x 5.5mm
3.3V
IQOV-116-1 Series
-40°C
95°C
18AM1572

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Date/Lot Code

Each (Supplied on Cut Tape)
Cut Tape
1+
$58.200
10+
$51.410
Min: 1 / Mult: 1
10MHz
30ppb
CMOS
SMD, 7.5mm x 5.5mm
3.3V
AOC75 Series
-40°C
95°C
18AM2447

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Date/Lot Code

Each (Supplied on Cut Tape)
Cut Tape
1+
$58.200
10+
$51.410
Min: 1 / Mult: 1
38.88MHz
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)
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$54.750
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$48.340
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$46.900
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$45.460
Min: 1 / Mult: 1
10MHz
10ppb
CMOS
SMD, 9.7mm x 7.5mm
3.3V
AOC97 Series
-40°C
95°C
25AM3749

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Each (Supplied on Cut Tape)
Cut Tape
1+
$66.390
10+
$64.520
25+
$59.970
50+
$58.480
100+
$56.900
Min: 1 / Mult: 1
19.2MHz
0.02ppm
HCMOS
SMD, 7.5mm x 5.5mm
3.3V
IQOV-116-1 Series
-40°C
95°C
18AM2450

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Date/Lot Code

Each (Supplied on Cut Tape)
Cut Tape
1+
$67.500
10+
$59.640
Min: 1 / Mult: 1
38.4MHz
50ppb
CMOS
SMD, 7.5mm x 5.5mm
3.3V
AOC75 Series
-40°C
105°C
18AM2448

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Date/Lot Code

Each (Supplied on Cut Tape)
Cut Tape
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$65.170
10+
$57.580
Min: 1 / Mult: 1
10MHz
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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$167.790
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$164.270
Min: 1 / Mult: 1
40MHz
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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$176.730
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$170.470
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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$184.570
Min: 1 / Mult: 1
20MHz
5ppb
LVCMOS
SMD, 9mm x 7mm
3.3V
SiT5711 Series
-40°C
85°C
61AK2442

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Each (Supplied on Cut Tape)
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$210.050
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$204.050
25+
$189.700
50+
$184.960
100+
$180.130
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+
$202.320
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$201.590
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$200.870
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$200.150
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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$1,602.700
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$1,531.870
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$1,461.040
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
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$1,476.650
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$1,411.390
10+
$1,346.130
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+
$62.570
10+
$55.040
Min: 1 / Mult: 1
20MHz
10ppb
CMOS
SMD, 9.7mm x 7.5mm
3.3V
AOC97 Series
-40°C
95°C
07AM7035

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Date/Lot Code

Each
1+
$1,440.630
5+
$1,376.970
10+
$1,313.300
Min: 1 / Mult: 1
10MHz
0.2ppm
CMOS
Through Hole, 60mm x 60mm
5V
ABCM-60 Series
-40°C
85°C
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