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STW-TD Series Satellite Timekeeping Equipment
STW-TD Series Satellite Timekeeping Equipment
  The STW-TD series of general-purpose satellite time synchronization equipment is a high-precision time-frequency device suitable for a variety of fields. By selecting a high-precision rubidium clock, it can achieve a frequency accuracy of 5E-13 after being tamed and a timekeeping performance of 0.5us/day.
  The STW-TD series of general-purpose satellite time synchronization equipment can receive BeiDou(COMPASS)/GPS/GLONASS satellite signals, IRIG-B, PTP (1588v2), external 1PPS+TOD time codes, and external high-grade frequency reference signals, thereby correcting the device's time and frequency source, outputting various time codes, pulses, frequencies, and other signals, and providing NTP, PTP network time services. The input and output types can be flexibly selected to meet the needs of users in a variety of complex application scenarios.
Product features

Support interference signal and deception signal detection, and output alarm information

Can receive multiple time references and has the ability to measure and monitor time references

Equipped with LCD time display (year/month/day/day/hour/minute/second) and parameter configuration function

Built in high-performance frequency source (rubidium clock or crystal oscillator) with automatic frequency calibration function

Multiple time codes, pulses, frequencies, and other signals can be selected for output

Adapt to user needs and provide various forms of products 1U/2U/3U

Equipped with fault alarm prompt function and capable of monitoring device status through serial port/network

Product Features

Specification name

Indicator parameters

Remarks

Crystal Oscillator

Rubidium clock

National production

Timekeeping performance

Frequency accuracy

≤5E-12

≤5E-13

≤1E-12

Taming 24 hours

Timekeeping accuracy

20us/day

0.5us/day

1us/day

Input precision

BeiDou(COMPASS)/GPS

30ns

10ns

20ns

The default input is 1 grid.

GLONASS

50ns (optional)

20ns (optional)

30ns (optional)

IRIG-B(DC)

100ns

20ns

20ns

IRIG-B(AC)

5us (optional)

1us (optional)

5us (optional)

1PPS/1PPS+TOD

100ns

10ns

10ns

PTP(1588V2)

50ns

20ns

40ns

PTP_E1

1us(optional)

1us(optional)

----

5/10MHz

Optional

Optional

Optional

Output accuracy

1PPS/xPPS

30ns

10ns

10ns

Output

default 2

channels,

expandable

multiple

channels

IRIG-B(DC)

100ns

20ns

20ns

IRIG-B(AC)

5us(optional)

1us(optional)

5us(optional)

1PPS/1PPS+TOD

100ns

5ns

10ns

PTP (1588v2)

50ns

10ns

40ns

PTP_E1

1us(optional)

1us(optional)

----

NTP

1ms

0.05ms

0.05ms

10MHz

1Hz

-90dBc/Hz

<-95dBc/Hz

<-100dBc/Hz

1kHz

<-140dBc/Hz

<-145dBc/Hz

<-150dBc/Hz

Indicator light display

Monitoring and Control

Condition Monitoring

Content Rubidium clock lock, taming lock: lock/lose lock


Communication monitoring

RJ45 network port (UDP, SNMPv2, WEB)


Supply voltage

Input voltage

220VAC


Power

≤50W (25℃)


Power supply interface

220VAC international plug


environment

Operating temperature

-20oC ~ +50oC


Storage temperature

-55oC ~ +85oC


Weight and size

weight

<15kg


size

19-inch standard chassis, 1~4U



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