TRW70 Small and WideTemperature Rubidium atomic clock

Small and WideTemperature Rubidium atomic clock TRW70

The TRW70 is a wide-temperature, high-performance rubidium atomic clock, suitable for temperatures ranging from -50°C to +95°C. It features a compact design and high reliability. It offers excellent frequency stability and phase noise performance, built-in 1PPS training and output functions, supports 10MHz square wave output, and supports automatic external signal calibration. Its integrated digital control system features intelligent learning and health monitoring capabilities. Its interfaces are centralized on a single DSUB9 connector, making it easy to install in confined spaces. It is suitable for a variety of high-precision frequency comparison and customized applications.

TRW70 Small and WideTemperature Rubidium atomic clock

Small and WideTemperature Rubidium atomic clock TRW70

The TRW70 is a wide-temperature, high-performance rubidium atomic clock, suitable for temperatures ranging from -50°C to +95°C. It features a compact design and high reliability. It offers excellent frequency stability and phase noise performance, built-in 1PPS training and output functions, supports 10MHz square wave output, and supports automatic external signal calibration. Its integrated digital control system features intelligent learning and health monitoring capabilities. Its interfaces are centralized on a single DSUB9 connector, making it easy to install in confined spaces. It is suitable for a variety of high-precision frequency comparison and customized applications.

Important Features

  • It can work normally within -50℃ ~ + 95℃ range
  • Small volume76mm×76mm×18mm
  • The short-term stability is better than 3E-11 / 1s
  • Room temperature stable power ≤ 13W
  • Low-phase noise, with typical values -120dBc/Hz@10Hz
  • 1PPS taming and 10MHz calibration
TRW70 Data Sheet

Important Features

Test ItemConditionTechnical Indicators
Output frequency 10 MHz, 1-way sine wave （50Ω, ≥ 7dBm）and a 1-way 3 VTTL square wave
Factory accuracy≤5×10-¹¹¹
Frequency control Voltage control0~5V，with the total range of at least ±1.5×10⁻⁹
Instruction adjustmentSeamless adjustment range of at least ±1×10-⁶ with a resolution of 6.81×10-¹³ coarse adjustment of at least ±1×10-⁶ and fine adjustment range of at least ±1.5×10-⁹ with a resolution of better than 1×10 -¹²
Locking time Indoor temperature≤5min
Frequency stability 1s≤3×10-¹¹¹
10s≤1×10-¹¹¹
100s≤3×10-¹²
Phase noise 1Hz≤-80dBc/Hz
10Hz≤-115dBc/Hz
100Hz≤-145dBc/Hz
1kHz≤-150dBc/Hz
10kHz≤-155dBc/Hz
Frequency drift rate /day±2×10-¹¹; FD12: ±1.2×10-¹¹; FD5: ±5×10-¹²; FD2: ±2×10-¹²
Frequency reproducibility Switch 24h±2 x 10-¹¹
Temperature Characteristics≤5×10-¹⁰; TC3: ≤3×10-¹⁰; TC1: ≤1×10-¹⁰; TC0.5: ≤5×10-¹¹¹
Harmonic And Clutterharmonic≤-30dBc，clutter≤-70dBc
Working temperature Bottom plate temperature-40℃ ~ +85℃; OT90: -45℃ ~ +90℃; OT95: -50℃ ~ +95℃
Storage temperature-50°C ~ +95°C
Power supply ±4%±12V~±15V
Rate of workPreheat≤22.5W
Steady state （+25℃）≤13W
Body size68mm×68mm×18mm
Bottom plate size76mm×76mm
Weight<300g
1PPS input+3V~+5V TTL，Judder<300ns，Pulse width ＞ 100ns
1PPS outputRising edge / Falling edge：≤ 10ns，Pulse width：1us~999ms，
Taming accuracy After 24h of synchronizationTaming jet lag：±50ns，Time-keeping accuracy：≤1us@24h，Frequency accuracy：≤1×10⁻¹²@24h

Typical phase noise

Frequency stability typical value

产品型号一览表

特点参数 T710T760T640T770TRA85TRS75TCA55TRM60CX5228CX910
外同步输入GNSS ✓✓✓✓——————
1PPS ✓——✓✓✓✓✓——
10MHz ———✓——————
频率输出10MHz正弦波 8路4路4路5路1-way1-way——1-way4路
10MHz方波 6路—————1-way1-way——
可选 1/5MHz100MHz100MHz5/100MHz——————
—NTPIRIG-B———————
Stability1s <3E-12<5E-12<3E-12≤4E-13≤ 3×10⁻¹²≤ 6×10⁻¹²≤ 8×10⁻¹¹≤ 3×10⁻¹¹≤ 1.5×10⁻¹³≤ 1.1×10⁻¹³
10s <3E-12<5E-12<3E-12≤3E-13 ≤ 1.5×10⁻¹²≤ 2×10⁻¹²≤ 2.5×10⁻¹¹≤ 1×10⁻¹¹≤2×10-¹³≤2×10-¹³
100s <3E-13<5E-13<5E-12≤7E-14≤ 5×10⁻¹³≤ 6×10⁻¹³≤ 8×10⁻¹²≤ 3×10⁻¹²≤4×10⁻¹³≤5×10-¹³
日(GNSS锁定) <1E-12<1E-12<1E-12≤3E-14——————
Phase noise1Hz ≤-95dBc/Hz≤-95dBc/Hz≤-100dBc/Hz≤-120dBc/Hz≤ -95dBc/Hz≤ -85dBc/Hz≤ -50dBc/Hz≤ -85dBc/Hz≤ -123-126*
10Hz ≤-130dBc/Hz≤-130dBc/Hz≤-130dBc/Hz≤-140dBc/Hz≤ -130dBc/Hz≤ -120dBc/Hz≤ -80dBc/Hz≤ -120dBc/Hz≤ -145 ≤ -148
100Hz ≤-145dBc/Hz≤-145dBc/Hz≤-145dBc/Hz≤-155dBc/Hz≤ -150dBc/Hz≤ -145dBc/Hz≤ -115dBc/Hz≤ -140dBc/Hz≤ -155 ≤ -155
1kHz ≤-155dBc/Hz≤-155dBc/Hz≤-160dBc/Hz≤-160dBc/Hz≤ -160dBc/Hz≤ -150dBc/Hz≤ -130dBc/Hz≤ -140dBc/Hz≤ -160 ≤ -160
10kHz ≤-158dBc/Hz≤-158dBc/Hz≤-160dBc/Hz≤-160dBc/Hz≤ -160dBc/Hz≤ -155dBc/Hz≤ -140dBc/Hz≤ -145dBc/Hz≤ -165 ≤ -163
distortionHarmonic ≤-45dBc≤-45dBc≤-45dBc—≤ -30dBc≤ -30dBc—≤ -80dBc≤ -40dBc≤ -40dBc
Non-harmonic ≤-80dBc≤-80dBc≤-80dBc—≤ -80dBc≤ -70dBc——≤ -80dBc≤ -80dBc
Pulse outputNumber of way 4 4 4 4 1111——
Synchronization accuracy 20ns20ns20ns10ns——————
Frequency drift rate/day ————±5×10⁻¹³±1×10⁻¹²≤3×10-¹¹¹±3×10⁻¹²≤3×10-¹⁰≤1×10-¹⁰
物理电气特性Working temperature -10℃~+55℃-10℃~+55℃-10℃~+55℃-10℃~+55℃-40℃~+65℃-40℃~+65℃-40℃~+85℃-40℃~+75℃ -20℃~+70℃0℃~+40℃
存健温度 -45℃~+85℃-45℃~+85℃-45℃~+75℃-55℃-+85℃-40℃~+85℃-40℃~+85℃-55℃~+125℃-55℃~+100℃-40℃~+85℃-55℃~+125℃
power supply 220V±20%220V±20%220V±20%220V±20%+12V~+15V或+24V+12V~+15V,±4% +3.3V±5% +5V±4%+12VDC+14~+125℃
Rate of work 50W60W60W预热70W,稳态≤30W预热≤45W,稳态≤15W预热≤28.5W,稳态≤14.5W预热≤10W,稳态≤1.8W预热≤15W,稳态≤8W≤7.2W≤27W
External Dimension 2U半宽2U2U2U116mm×79mm×38mm68mm×68mm×18mm 41mm×36mm×17mm51mm×51mm×18mm50mm×50mm×19mm5inch×3inch×3inch
Weight 2Kg5Kg3.5Kg5kg≤500g≤300g≤50g<100g——
驯服及守时After 24h of synchronization 200ns200ns10us30ns(同步20d后)同步24h后≤1us≤1us—≤1us——

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