Ultra-low jitter clock oscillators play a significant role in improving data transmission speeds in fiber optic networks, particularly in high-speed networking and data center environments. By providing stable, accurate, and low-noise timing signals, ultra-low jitter clock oscillators enable the high-speed, high-performance fiber optic communications systems required in modern networking and data center infrastructures.

Ultra-low jitter clock oscillators improve signal integrity in high-speed data transmission by reducing noise in optical systems. They provide the high-frequency, low-jitter clock signals required by digital signal processors (DSPs) used in optical modules. They also provide improved vibration sensitivity to help minimize packet loss and reduce bit error rates by providing more precise timing of data signals.

The Digital Signal Processors (DSPs) used in today’s optical transceivers require high frequency, ultra-low jitter clock oscillators, VCXOs and VCSOs as a frequency reference. Raltron has a complete line of oscillators designed to be compatible with or to serve as a reference design for some of the foremost optical DSPs used in optical transceivers.

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Ultra-low jitter oscillators for optical DSP applications.

CMOS MHz Clock Oscillators – Ultra Low Jitter

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1.6 x 1.2
CMOS
3rd Overtone
1.8
100
±50
500 max

LVDS MHz Clock Oscillators – Ultra Low Jitter

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ECAD
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Oscillation Mode
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2.0 x 1.6
LVDS
Fundamental
2.5
156.25
±50
33.6 typ
2.0 x 1.6
LVDS
Fundamental
3.3
156.25
±50
35.5 typ
2.0 x 1.6
LVDS
Fundamental
2.25 ~ 3.63
156.25
±50
50
2.0 x 1.6
LVDS
Fundamental
1.8
156.257812
±50
50 max
2.0 x 1.6
LVDS
Fundamental
2.5~3.3
156.257812
±50
50 max
2.5 x 2.0
LVDS
3rd Overtone
1.8
156.25
±20
100 typ / 150 max
2.5 x 2.0
LVDS
3rd Overtone
2.5
156.25
±20
80 typ / 100 max
2.5 x 2.0
LVDS
Fundamental
2.5
156.25
±50
33.6 typ
2.5 x 2.0
LVDS
3rd Overtone
2.5~3.3
156.25
±20
80 typ / 100 max
2.5 x 2.0
LVDS
Fundamental
3.3
156.25
±50
35.5 typ
2.5 x 2.0
LVDS
3rd Overtone
2.5~3.3
156.25
±20
80 typ / 100 max
2.5 x 2.0
LVDS
Fundamental
1.8
156.257812
±50
47.8 typ
2.5 x 2.0
LVDS
Fundamental
2.5~3.3
156.257812
±50
50 max
2.5 x 2.0
LVDS
3rd Overtone
2.5
312.5
±50
50 max
2.5 x 2.0
LVDS
Fundamental
3.3
312.50
±50
50 max
3.2 x 2.5
LVDS
Fundamental
1.8
100
±25
100 max
3.2 x 2.5
LVDS
Fundamental
2.5
156.25
±50
33.6 typ
3.2 x 2.5
LVDS
3rd Overtone
3.3
156.25
25
110 max
3.2 x 2.5
LVDS
Fundamental
3.3
156.25
±25
100 max
3.2 x 2.5
LVDS
3rd Overtone
3.3
156.25
±50
110 max
3.2 x 2.5
LVDS
Fundamental
3.3
156.25
±50
35.5 typ
3.2 x 2.5
LVDS
Fundamental
3.3
156.257812
±25
100 max
3.2 x 2.5
LVDS
3rd Overtone
3.3
156.25
±25
100 max

LVPECL MHz Clock Oscillators – Ultra Low Jitter

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2.0 x 1.6
LVPECL
Fundamental
2.5~3.3
156.257812
±50
50 max
2.5 x 2.0
LVPECL
Fundamental
3.3
156.25
±50
70 max
2.5 x 2.0
LVPECL
Fundamental
2.5~3.3
156.257812
±50
50 max
3.2 x 2.5
LVPECL
3rd Overtone
2.5
156.25
±25
750 typ
3.2 x 2.5
LVPECL
3rd Overtone
2.5
156.25
±25
750 typ

VCSOs – Ultra Low Jitter

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ECAD
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Output
Supply Voltage (V)
Frequency (MHz)
Stability (ppm)
Jitter (fs)
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5.0 x 7.0
LVPECL
3.3
800.00
±25
30 max