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Thunderbolt precision gps 10MHZ frequency&time standard
tested the OCXO oscillator of Trimble Thunderbolt with the TSC5120
-The oscillator of Trimble Thunderbolt with very good phase noise-
Next.we will test the Thunderbolt GPS standard with TSC5120-
Better compatibility and faster Positioning
We good package every item safety holdover to you.
For datasheet and more specifications, please visit:
http:// /tmg_thunderbolt.shtml
The GPS clock s level of integration makes it a perfect solution for precise timing applications in the wireless industry.
Among its uses are synchronizing the E911 positioning infrastructure and maximizing bandwidth for wireless local loop.
The architecture is comparable to systems currently used to maintain the tough CDMA holdover specification. This makes the hunderbolt GPS clock a natural for a CDMA clock, the digital standard for cellular phones.
A single microprocessor performs both the GPS navigation and oscillator disciplining functions.
The GPS receiver is driven directly by the 10 MHz output signal of the oscillator. This is calibrated against the incoming GPS signal, with the resulting clock and frequency measurements fed into the oscillator frequency control algorithm.
Matching the Thunderbolt GPS Clock with Trimble s Bullet antenna creates a system thatprovides reliable performance in hostile environments. The system can be easily calibrated for different cable lengths.
Ovenized quartz oscillator provides clean 10 MHz (1 PPS) signal that maximizes bandwidth
Combined GPS receiver and ovenized oscillator minimizes size and cost
High volume manufacturing provides reliable low-cost products
General: L1 frequency, CA/code (SPS), 8-channel continuous tracking receiver
PPS accuracy: UTC 20 nanoseconds (one sigma)
10 MHz accuracy: 1.16 x 10-12 (one day average)
1 microsecond over 2 hours with a maximum
increased holdover performance, please contact your local Trimble representative.
BNC connector. Waveform is sinusoidal +12.5 dBm 2.5 dBm into 50 ?
RS-232 through a DB-9 connector
Trimble Standard Interface Protocol (TSIP) binary protocol @ 9600, 8-None-1
10 MHz stability: See graph below
Operating humidity: 95% non-condensing
Board alone uses +12V, 12V, +5V and ground.
ThunderBolt GPS Disciplined Clock User Guide Version 5.0 - 3.2 Power Connector Pin-Out and Part Numbers)
The GPS clock needs a 15 watts triple voltage output(+12/-12/+5v) power supply. We have 30 Watt switching power supply(Brand:Mean Well. Model: T-30B It is the best know brand, its components come from Japan). http:// /search/T-30 : C$24 plus C$12(postage
BNC Connector TTL levels into 50 ?
10 microseconds-wide pulse with the leading edge synchronized to UTC within 20 nanoseconds (one sigma) in static, time only mode. The rising time is <20 nanoseconds and the pulse shape is affected by the distributed capacitance of the interface cable/circuit.
