DATA SHEET Cs4000 Cesium Frequency Front view of Cs4000 Key Features • Multiple RF outputs •CsIII technology •AC & DC inputs •Internal battery back-up •CE compliant Key Benefits • Configurable 3U rack mount chassis allows for flexibility • High stability, low noise RF and 1PPS reference makes it perfect for high precision timing and frequency applications • Custom output signals available The Microsemi® Cs4000 is a cesium frequency standard platform that provides exceptional performance in a configurable 3U rack mount chassis. The Cs4000 is designed for high precision timing and frequency applications requiring high stability, low noise RF and 1PPS reference signals. Microsemi’s advanced Cesium III digital technology is the engine that drives this exceptional performance. The Cs4000 is designed to provide standard and custom output signal formats simultaneously. Standard outputs include, 100 kHz, 1, 5, 10 MHz and 1 PPS. Custom output formats are supported via a configurable custom output area capable of supporting most custom signaling requirements. The Cs4000 meets the challenges of laboratory standards, satcom terminals, mobile communications systems and a wide variety of test and measurement applications. • Standard 1 year electronics and 8-year tube warranty Page 1 of 2 DATA SHEET Cs4000 Specifications ELECTRICAL SPECIFICATIONS • Frequency outputs Frequency: Amplitude: Harmonic: Non harmonic: Connector: Load impedance: Location: 1 ea 100 kHz & 1 MHz Sine 1 Vrms <–40 dBc <–80 dBc BNC 50 Ω rear panel 2 ea 5 &10 MHz Sine 1 Vrms <–40 dBc <–80 dBc Type N 50 Ω rear panel Frequency: Amplitude: Harmonic: Non harmonic Connector: Load impedance: Location: • Timing outputs Format: Amplitude: Pulse width: Rise time: Jitter: Connector: Load impedance: Location: • Timing inputs Sync input: Connector: Load impedance: Location: Three 1 PPS >3.0 V into 50 Ω 20 µs positive pulse <5 ns <1 ns rms BNC 50 Ω rear panel (2) front panel (1) Two 1 PPS BNC 50 Ω rear panel (1) front panel (1) REMOTE SYSTEM INTERFACE, CONTROL AND ALARM • RS-232-C (DTE Configuration) Complete remote control and interrogation of all instrument functions and parameters Connector: Location: 9-Pin male rectangular D subminiature type Front panel [1] Rear panel [1] • Alarm (TTL) High, Normal Low, Alarm Circuit is TTL open collector with internal pull-up resistor. Circuit can sync up to 10mA Connector: BNC Location: Rear panel PERFORMANCE SPECIFICATIONS • Performance Accuracy: Warm-up time: Reproducibility: Settability Range: Resolution: • Stability AvgTime (s) 1 10 100 1,000 10,000 100,000 Floor ±1.0E-12 30 Min (typical) ±2.0E-13 ±1.0E-9 1.0E-15 Allan Deviation ≤1.2E-11 ≤8.5E-12 ≤2.7E-12 ≤8.5E-13 ≤2.7E-13 ≤8.5E-14 ≤5.0E-14 .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. . • SSB Phase noise Offset (Hz) 1 10 100 1,000 10,000 100,000 5 MHz Output ≤-95 dBc ≤-130 dBc ≤-145dBc ≤-155 dBc ≤-155 dBc ≤-160 dBc ENVIRONMENTAL & PHYSICAL SPECIFICATIONS • General environment Operating Temperature: 0°C to 50°C Humidity: 95% up to 50°C (non-condensing) Non-operating (transport) Temperature (storage): –30°C to 70°C Temperature (short term): –40°C to 75°C Magnetic field: 0 to 2 gauss Altitude (operating): 0 to 50,000’ • AC Power requirements Operating voltage (±10%): Frequency: Power Operating: Warm-up: 100 to 240 VAC 47 to 63 Hz <65 W <80 W • DC Power requirements 36 - 75 VDC Operating: Warm Up: 60 W 70 W 22 - 36 VDC* *24 VDC Power Supply Option • Dimensions: 17.22" W x 5.22” H x 20.63" D (43.73 cm x 13.25 cm x 52.40 cm) • Internal standby battery Capacity:45 minutes @ 25°C from full charge (without front panel display) 20 minutes @ 25°C from full charge (with front panel display) Charge time: 16 hours maximum from fully discharged state Charge source: AC or DC • Weight: 45 lbs. (20.4 Kg) • MTBF: >145,000 hrs. ORDERING INFORMATION • 48 VDC • 24 VDC Part No. 14645-105 14645-106 Rear view of Cs4000 Microsemi Corporation (Nasdaq: MSCC) offers a comprehensive portfolio of semiconductor solutions for aerospace, defense and security; enterprise and communications; and industrial and alternative energy markets. Products include high-performance, high-reliability analog and RF devices, mixed signals and RF integrated circuits, customizable SoCs, FPGAs, and complete subsystems. Microsemi is headquartered in Aliso Viejo, Calif. Learn more at www.microsemi.com Microsemi Corporate Headquarters One Enterprise, Aliso Viejo, CA 92656 USA Within the USA: +1 (949) 380-6100 Sales: +1 (949) 380-6136 Fax: +1 (949) 215-4996 ©2014 Microsemi Corporation. All rights reserved. Microsemi and the Microsemi logo are trademarks of Microsemi Corporation. All other trademarks and service marks are the property of their respective owners. DS/Cs4000/042014 900-00508-000A