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GPS control frequency standard 910/910R-910
GPS control frequency standard 910/910R-Fluke Calibration

GPS control frequency standard 910/910R
Fluke Calibration


About This Product

■Cesium-controlled frequency standards that utilize GPS technology and convenience provide traceability to primary standards anywhere

The 910 and 910R GPS control frequency standards are fully traceable and highly accurate frequency standards. Ideal for many applications including telecommunications, calibration and automated test systems. Both the 910 and 910R offer highly accurate frequency and pulses per second time standards. Monitor and manage from almost anywhere with a variety of connectivity options. Both derive their long-term frequency stability from the cesium standard onboard the GPS satellite array, and their very high short-term stability from an internal oven-controlled crystal oscillator (OCXO) or rubidium standard (Rb).

■Operating mode

- Self-adjusting mode: In this mode, the deviation between the time base's internal oscillator and the received GPS signal is constantly measured and the oscillator (self-adjusting) is adjusted. The resulting frequency offset and adjustment data are stored in non-volatile memory every 24 hours and can be printed as a traceability record. The actual frequency offset (averaged over 24 hours) is calculated and displayed on the front panel. -Holdover mode: Internal oscillator adjustment is not performed. Normally, it automatically enters this mode when a GPS signal cannot be received. You can also manually select this mode by pressing the "Hold-Over" key. If manual holdover is set while receiving a GPS signal, the actual frequency offset is calculated, displayed, and stored in non-volatile memory every 24 hours.

■Frequency stability - GPS lock 910R (GPS-Rubidium)

・Frequency offset (24 hour average): <1 × 10^-12* ・Short term (Allan deviation): <1 x 10-12 (t = 100s), <3 x 10-12 (t = 100s), <1 x 10-11 (t = 10s), <3 x 10-11 ( t = 1s) ・Warm up (+25℃): 20 minutes until lock ・*When the temperature is 23℃ ± 3℃

■Phase noise - 910R offset 100 KHz

-145 dBc/Hz (typical value)

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    GPS control frequency standard 910/910R

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1 Models of GPS control frequency standard 910/910R

Image Part Number Price (excluding tax) Additional 5 channels of 10 MHz output (Option 70) Multi-system reference output (Option 71) Reference output (BNC) Pulse output (Option 75) Reference output (BNC) 5 MHz Reference output (BNC) 10 MHz Reference output (BNC) 1 pps Internally stored data Phase Noise - 910R Offset 1Hz Phase Noise - 910R Offset 100 Hz Phase Noise - 910R Offset 10 KHz Phase Noise - 910R Offset 10 Hz Phase Noise - 910R Offset 1 KHz Phase Noise - 910 Offset 100 KHz Phase noise - 910 offset 100 Hz Phase Noise - 910 Offset 10 KHz Phase noise - 910 offset 10 Hz Phase Noise - 910 Offset 1 KHz Phase noise - 910 offset 1 Hz Pulse output (Option 75) selectable frequency Pulse output (Option 75) Factory setting Pulse output (Option 75) Frequency stability Pulse output (Option 75) Jitter Ethernet interface (option 76) Antenna (Option 01) LED display - manual holdover ON LED display - manual holdover OFF LED display - alarm LED display - GPS locked GPS receiver 1 pps output (when GPS locked)
GPS control frequency standard 910/910R-Part Number-910

910

Available upon quote

See 10 MHz specifications above

Sine wave output: 10, 5, 1, 0.1 MHz >1 Vrms at 50 Ω
Pulse output: 0.1 MHz; >3 Vp-p into 50 Ω 0 V =LO <0.8 V, 3 V

TTL level, low < 0.4V, high > 2V, 50Ω load

Sine wave, 0.5V rms, 50Ω

Sine wave, 0.5V rms, 50Ω

TTL level, low < 0.4V, high > 2V, 50Ω load

24 hour frequency offset: 2 years of data, non-volatile memory
Adjustment data: 2 years of data, non-volatile memory

-80dBc/Hz (typical value)

-130 dBc/Hz (typical)

-140 dBc/Hz (typical)

-90 dBc/Hz (typical)

-140 dBc/Hz (typical)

-135 dBc/Hz (typical)

-130 dBc/Hz (typical)

-135 dBc/Hz (typical)

-120 dBc/Hz (typical)

-135 dBc/Hz (typical)

-100 dBc/Hz (typical)

1/ (N × 10-7) Hz, N is an integer

1Hz

See frequency stability specifications for 910 and 910R

<500 ps rms

Communication port: Connector: RJ45, Protocol: 10Base-T, Buffer RAM: 1 kbit
Configuration Port: Connector: Dsub9, RS232

Type: Active L1
Operating temperature: -40℃~+70℃
Height: 81 mm (3.2 in) (excluding connector)
Weight: >30 dB
Gain: TNC

When forcing holdover mode. A 24-hour frequency offset is displayed when receiving a GPS signal. If it has not been received, "------" will be displayed.

Self-adjustment mode and holdover mode are automatically selected depending on the status of "GPS lock".

ON: Alarm notification from device hardware. An explanation appears on the 7-segment display.
OFF: Normal operation

ON: Self-adjustment mode
OFF: Holdover mode

Antenna connector: N type
Channels: 8, parallel tracking
Carrier, code: L1, C/A

Duty cycle: approximately 20% at 1.6 GHz
Jitter: <60 ns rms compared to UTC or GPS (hold position, SA on)

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