XHTF3316N8 (Series) Taming Atomic Frequency Standard

By receiving and demodulating the Beidou (or GPS) signal to tame the cuckoo clock, the frequency accuracy of the 10 MHz output signal of the Rb Clock can be improved, and the aging phenomenon of the Rb clock can be weakened to some extent.

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The XHTF3316N8 ^(series)Taming Atomic Frequency Standard is a high precision atomic frequency standard device. By receiving and demodulating the Beidou (or GPS) signal to tame the cuckoo clock, the frequency accuracy of the 10 MHz output signal of the Rb Clock can be improved, and the aging phenomenon of the Rb clock can be weakened to some extent. At the same time, the 10MHz signal of the Rb clock is locked by the phase-locked loop circuit to the high-intensity crystal oscillator with high instantaneous stability and low phase noise, thus obtaining a 10MHz clock reference with high accuracy, high instantaneous stability and low phase noise. Can be applied to communication base stations, electronic countermeasures, laboratory and deep space exploration.

XHTF3316N8(002)

Features

■ Double clock double redundant hot backup;

■ Low phase noise;

■ High instantaneous stability.

Specifications

Input Signal
10MHz Signal				Beidou Satellite Signal
Waveform	Sine Wave			RF Signal		Beidou II B1 Band
Number of ways	1 way			Capture Time		Hot start <10s, cold start <60s
Power	(7±2) dBm			Timing Accuracy		Better than 50ns
Physical Interface	BNC			Physical Interface		BNC
Output Signal
10MHz Signal
Signal Waveform		Sine Wave
Number of Output Channels		20 (3U chassis) / 8 (1U chassis)
Output Power		≥10dBm
Taming Accuracy		<1*10-12 (24-hour average)
Frequency Stability		≤8×10-12/1s, ＜510-12/10s, ＜110-12/100s,
Phase Noise		Standard			High Performance
		＜＜-95dBc/Hz @1Hz ＜-125dBc/Hz @10Hz ＜-145dBc/Hz @100Hz ＜-155dBc/Hz @1KHz ＜-155dBc/Hz @10KHz ＜-155dBc/Hz @100KHz			＜-100dBc/Hz @1Hz ＜-130dBc/Hz @10Hz ＜-150dBc/Hz @100Hz ＜-160dBc/Hz @1KHz ＜-160dBc/Hz @10KHz ＜-160dBc/Hz @100KHz
Harmonic		＜-60dB
Clutter		<-80dB
Isolation		>80dB
Geomagnetic Effect		<2×10-11
Reproducibility		<2×10-11
Drift Rate		<1×10-12/day
Physical Interface		BNC
Dimension
19-inch racking case(3U/1U)
Electrical Characteristics
AC 220 × (1 ± 10%) V
Environmental Characteristics
Working Temperature			-10 ° C ~ +50 ° C
Storage Temperature			-40 ° C ~ +85 ° C

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