T760 GNSS Rubidium Atomic Time and Frequency Standard

Learn about our T760 GNSS Rubidium Atomic Time and Frequency Standardrd

The T760 is a high-precision GNSS disciplined rubidium atomic frequency standard. It integrates GNSS, a rubidium clock, and a low-phase-noise crystal oscillator, achieving output frequency stability comparable to that of a cesium clock. It supports 1PPS and UTC synchronization and features automatic timekeeping, frequency smoothing, anti-interference, and encryption. It runs a built-in Linux system and is compatible with PTPv2.1, NTP, and SNTP protocols, achieving nanosecond-level network timing accuracy. Housed in a 2U chassis, it supports multiple signal outputs, including 10MHz, 1PPS, IRIG-B, and Time of Departure (TOD).

Important Features

  • Daily average accuracy <5E-13
  • 1s\10s\100s\ Stability 5E-12
  • Support 4-channel 10MHz sinusoidal low-noise isolated amplifier output
  • Six-way 1G network ports support PTPv2, NTP, and SNTP
  • Can concurrently receive GPS/QZSS, GLONASS, BeiDou, and GALILEO
  • Support SSH, SSL, SCP, SNMP, CustomMIB, HTTPS, Telnet
  • Nanosecond time accuracy relative to UTC

Important Features

Test ItemConditionTechnical Indicators
Output frequency10MHz, 4-way BNC, sine wave, 12±1dBm, 50Ω
Accuracy≤1E-12, 48 hours after power on, GNSS locked state, 24-hour average accuracy
Frequency stability1s<5E-12
Frequency stability10s<6E-12
Frequency stability100s<5E-12
Frequency stabilityDaily stability (GNSS lock)<1E-12
Phase noise1Hz≤-95dBc/Hz
Phase noise10Hz≤-130dBc/Hz
Phase noise100Hz≤-145dBc/Hz
Phase noise1kHz≤-155dBc/Hz
Phase noise10kHz≤-158dBc/Hz
Distortion (harmonics)≤-45dBc
Distortion (non-harmonic)≤-80dBc
1PPS output4-channel TTL, BNCSynchronization accuracy ±20ns, pulse width 100ms, rising edge <10ns, jitter <1ns
IRIG-B outputDCSynchronization accuracy 30ns
NTP Output6 Gigabit Ethernet portsSynchronization accuracy: 1μs, supports 23,000 requests per second, and has a user capacity of tens of thousands of units
Receiver72 channelsGPS/QZSS, GLONASS, BeiDou, GALILEO, timing accuracy 20ns
SensitivityTracking -166dBm, Cold start -157dBm
size2U,447×89×300mm
power supply220V±20%,47Hz~63Hz
Working temperatureHost-10℃~+55℃
Working temperatureAntenna-40℃~+75℃
Storage temperature-45℃~+85℃
humidity95% non-condensing
Power consumption60W
Weight7kg

Typical phase noise

Frequency stability typical value

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