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GPS-SU-8

Product catalog summary

Overview
The GPS-SU-8 by Digital Instruments is a signal generator designed for broadcasters, particularly useful for emergency operations at secondary transmitting stations. It shares the same detachable GPS module as the GPS-DS-8, allowing for quick and autonomous repairs. The device is a multi-output reference generator for time and frequency, featuring a high-stability oscillator (OCXO) and eight independent outputs for both 10 MHz frequency and PPS (pulse per second) time reference.

Features
The GPS-SU-8 includes a high-stability inner oscillator OCXO with minimal frequency drift, a 12-channel GPS receiver with automatic tracking, and a new design DPLL for fast lock. It provides eight independent sine wave outputs at 10 MHz and eight PPS outputs with TTL level. The device supports both local and remote management via RS-232 and Ethernet connections, and it is fully compliant with the SNMP protocol.

Technical Specifications

Frequency Reference: 10 MHz sine wave with spectral purity of -70 dBc for harmonics and -75 dBc for non-harmonics. Phase noise is -125 dBc at 1 kHz. Outputs are 13 dBm each with 50 Ω impedance and BNC connectors.
Time Reference: 1 PPS signal with 100 µs duty and TTL 5 Vpp output level. Outputs are 50 Ω impedance with BNC connectors.
GPS Section: 12-channel L1 receiver with <50 ns PPS precision and TNC antenna connector.
Signaling: RS-232 and Ethernet connections, with 7 dry contacts and 4 photo-coupled contacts for remote management.
Supply: Operates on 95-240 Vac with integrated EMI/RFI filter and two independent power suppliers.
Size: 1U 19'' width, 300 mm depth, and 1.5 kg weight.

Catalog excerpts

Digital Instruments GPS-SU-8 Signal Generator Tuned by GPS with Single Module

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Digital Instruments GPS-SU-8 Signal Generator Tuned by GPS with Single Module GPS-SU-8 is the solution designed by Digital Instruments mainly for broadcasters who use GPS-DS-8, since they are made of the same detachable GPS module. In case of failure, the technician can go to the site with the box ready, and remedy the problem with an intervention of a few seconds, done in complete autonomy. It has the same sophisticated technological structure of the GPS-DS-8, but at lower prices, designed for emergency operations in the secondary transmitting stations. GPS-SU-8 is a multi-output reference generator...

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Digital Instruments GPS-SU-8 Signal Generator Tuned by GPS with Single Module Features · High-stability inner oscillator OCXO with a full frequency drift of +/- 1*10-10 free run day operation, · 12 channels GPS receiver with automatic tracking and timing's error management system, · New design DPLL fast lock, · 8 independent sine wave outputs at 10 MHz frequency with 13 dBm power level each, · 8 PPS outputs with TTL level terminated at 50 Ohm, · Device supply in logical OR, · AC 110Vac at 240 Vac 50/60 Hz, · Removable drawer container 130x220x38 mm.

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Digital Instruments GPS-SU-8 Signal Generator Tuned by GPS with Single Module Tech. Spec. Frequency reference Signal: 10 MHz sine wave. Spectral purity: -70 dBc at full output power. (harmonics), -75 dBc at full output power (non-harmonics). Phase noise: -125 dBc at 1 kHz. Outputs: 8 independent. Output level: 13 dBm each output. Output impedance: 50 Ω. Output connectors: BNC. Stability: 1e-12 daily average OCXO locked at GPS in SA. OCXO Standard: 1e-10 daily average OCXO in free run, OCXO SC: 2e-11 daily average OCXO on free run. Time reference Signal: 1 PPS, 100 µs Duty, Rising Edge. Output:...

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