Raltron Electronics
OSCILLATORS FOR IEEE – 1588 SOLUTIONS
Raltron’s Oscillators (some ex) optimized for IEEE-1588 Telecommunications Applications
Parameter | TX235 | TX257 | OX1100 | OX2100 | OX3100 | OX4100 |
---|---|---|---|---|---|---|
Application | Stratum 3 | Stratum 3 | Stratum 3 | Stratum 3 | Stratum 3E | Master clock - PRS |
Package | 3.2x5mm | 5x7mm | 9x14mm | 13x20mm | 36x27mm | 50x50mm |
Frequencies(MHz) | 20.000, 24.576, 49.152 | 20.000, 24.576, 49.152 | 20.000, 24.576, 49.152, 98.304 | 20.000, 24.576, 49.152, 98.304 | 20.000, 24.576, 49.152, 98.304 | 20.000, 24.576, 49.152, 98.304 |
Stability/Holdover | ≤280ppb | ≤280ppb | ≤280ppb | ≤280ppb | ≤10ppb | ≤0.5ppb |
Jitter | < 0.85ps@24.576 MHz < 0.8ps@49.152 MHz | <0.35ps@49.152MHz | <0.29ps@49.152MHz | <0.29ps@49.152MHz | <0.37ps@10.000MHz | <0.70ps@20.000MHz |
Loop BW | 100mHz | 100mHz | 10mHz | 10mHz | 1mHz | 0.5mHz |
MTIE [ns] | |||||||
---|---|---|---|---|---|---|---|
0.2 | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 |
3 | 3 | 2 | 2 | 1.5 | 1.5 | 1.5 | 1 |
15 | 15 | 12 | 12 | 10 | 10 | 10 | 8 |
20 | 20 | 20 | 20 | 15 | 15 | 15 | 12 |
TDEV [ns] | |||||||
---|---|---|---|---|---|---|---|
0.02 | 0.02 | 0.02 | 0.02 | 0.01 | 0.01 | 0.01 | 0.01 |
0.25 | 0.25 | 0.15 | 0.15 | 0.05 | 0.05 | 0.05 | 0.05 |
2 | 2 | 1.6 | 1.6 | 1 | 0.9 | 0.9 | 0.8 |
6 | 6 | 5 | 5 | 4 | 3.7 | 3.6 | 3.5 |
Clocks designed for packet based implementation
Parameter | Condition | Value | Unit |
---|---|---|---|
Frequency | 245.0/50.0/98.308/125.0 | MHz | |
Package Size | 7.0 x 5.0 | mm | |
Output Type | LVCMOS | ||
Supply Voltage | 2.5,3.3 | V | |
Operating Temperature Range | -20 – 70, -40 – 85 | C | |
Stability | 25 | ppm | |
Jitter (12kHz to 20MHz) | @25.0 MHz | 0.085 | ps |
@50.0 MHz | 0.08 | ||
@125.0 MHz | 0.05 |
TCXO or VCTCXO designed for use in Stratum 3 telecom and PTP/IEEE-1588 applications as reference oscillator source
Parameter | Condition | Value | Unit | |
---|---|---|---|---|
Frequency | 10.0 – 50.0 | MHz | ||
Package Size | 7.0 x 5.0 | mm | ||
Output Type | LVCMOS or Clipped Sine-wave | |||
Supply Voltage | 3.3, 5.0 | V | ||
Operating Temperature Range | -20 – 70, -40 – 85 | C | ||
Frequency Stability | ±0.28 | ppm | ||
Jitter (12kHz to 20MHz) | @24.576 MHz | < 0.39 | ps | |
@49.152 MHz | < 0.35 | |||
Wander as per GR-1244 (100 MHz loop BW) | ||||
1s | 10s | 100s | 1000s | |
MTIE (ns) | 0.2 | 4 | 15 | 20 |
TDEV (ns) | 0.02 | 0.3 | 2 | 6 |
Precision miniature TCXO or VCTCXO that meets Stratum 3 wander requirements, designed for use in telecom and PTP/IEEE-1588 applications
Parameter | Condition | Value | Unit | |
---|---|---|---|---|
Frequency | 10.0 to 50 | MHz | ||
Package Size | 5.0 x 3.2 | mm | ||
Output Type | LVCMOS or Clipped Sine-wave | |||
Supply Voltage | 3.3 | V | ||
Operating Temperature Range | -20 – 70, -40 – 85 | C | ||
Frequency Stability | ±0.30 | ppm | ||
Jitter (12kHz to 20MHz) | @24.576 MHz | < 0.85 | ps | |
@49.152 MHz | < 0.8 | |||
Wander as per GR-1244 (100 MHz loop BW) | ||||
1s | 10s | 100s | 1000s | |
MTIE (ns) | 0.2 | 4 | 15 | 20 |
TDEV (ns) | 0.02 | 0.3 | 2 | 6 |
is a small footprint OCXO or OCVCXO that can be used as frequency standard in PTP/IEEE-1588
Ver. 2.0 as TCXO replacement with better short term stability.as reference oscillator source
Parameter | Condition | Value | Unit | |
---|---|---|---|---|
Frequency | 10.0, 12.8, 19.44, 20.0, 25.0, 38.88, 49.152 | MHz | ||
Package Size | 4-pin DIP | |||
Output Type | CMOS | |||
Supply Voltage | 3.3, 5.0 | V | ||
Operating Temperature Range | 0 – 70, -20 – 75, -40 – 85 | C | ||
Frequency Stability | ±50, ±100 | ppm | ||
Jitter (12kHz to 20MHz) | @49.152 MHz | 0.29 | ps | |
Wander as per GR-1244 (100 MHz loop BW) | ||||
1s | 10s | 100s | 1000s | |
MTIE (ns) | 0.2 | 4 | 12 | 20 |
TDEV (ns) | 0.02 | 0.15 | 1.6 | 5 |
OX3100 is a Stratum 3E Euro package OCXO or OCVCXO that can be used as frequency standard in PTP/IEEE-1588
Ver. 2.0 applications requiring tight stability using a low noise SC-cut crystal oscillator
Parameter | Condition | Value | Unit | |
---|---|---|---|---|
Frequency | 10.0, 12.8, 19.44, 20.0, 25.0, 38.88 | MHz | ||
Package Size | 36x27x14mm, 5 pins(euro) | |||
Output Type | CMOS | |||
Supply Voltage | 5.0 | V | ||
Operating Temperature Range | 0 – 70, -20 – 75, -40 – 85 | C | ||
Frequency Stability | ±10 | ppm | ||
Jitter (12kHz to 20MHz) | @49.152 MHz | 0.37 | ps | |
Wander as per GR-1244 (100 MHz loop BW) | ||||
1s | 10s | 100s | 1000s | |
MTIE (ns) | 0.2 | 1.5 | 10 | 12 |
TDEV (ns) | 0.01 | 0.05 | 1 | 4 |
OX4100 is a high stability Double Oven Controlled Crystal Oscillator (DOCXO) that can be used as
frequency reference standard for PTP/IEEE-1588 Grandmaster applications.
Parameter | Condition | Value | Unit | |
---|---|---|---|---|
Frequency | 10.0, 12.8 , 20.0 , 38.88 | MHz | ||
Package Size | 50.0 x 50.0 x 16.0, 5 pins | |||
Output Type | CMOS or Sine | |||
Supply Voltage | 5.0, 12.0 | V | ||
Operating Temperature Range | 0 – 70, -20 – 75, -40 – 85 | C | ||
Frequency Stability | ±0.5 | ppm | ||
ADEV | @1 sec | 5.0E-11 | ||
Holdover | 8 hours | 7 | µs | |
Jitter (12kHz to 20MHz) | @20.00MHz | < 0.70 | ps | |
Wander as per GR-1244 (100 MHz loop BW) | ||||
1s | 10s | 100s | 1000s | |
MTIE (ns) | 0.2 | 1.5 | 10 | 12 |
TDEV (ns) | 0.01 | 0.05 | 1 | 4 |