Summary of Contents for Barrett 2022
- Page 1 BCM20220/10 © Barrett Communications Head Office: Barrett Communications Pty Ltd 47 Discovery Drive, Bibra Lake, WA 6163 Australia Tel: +61 8 9434 1700 Fax: +61 8 9418 6757 Email: information@barrettcommunications.com.au www.barrettcommunications.com.au...
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Page 2: Specifications
3 Amps Max Operation The Barrett 2022 is a low noise switch mode power supply that is capable of delivering 13.8V at 21 Amps continuously with a mains input supply that can vary from 88 VAC to 256 VAC. This combined with the ability of the power supply to operate with a backup battery, makes the 2022 ideal for use in areas where mains voltages vary dramatically and occasionally fail altogether. -
Page 3: Technical Manual
Technical Manual Circuit Description The rear panel PCB of the 2022 provides an interface between the switch mode module, external backup battery and device outputs. The front PCB contains the control circuitry for the automatic battery switch over system. The battery switch over control is based around the quad voltage comparator U1. - Page 4 This circuit limits the maximum charge current to the battery to 3 Amps. Using the 2022 power supply with a backup battery...
- Page 8 Parts list 2022 power supply front panel PCB Component Barrett Part Description Designator Number Cap 100nF 20% 63V 1206 NO PHILIPS CP-00916 Cap 10uF 20% Tant 25V Case C CP-01575 Cap 47uF 16v 10% Case D CP-11665 Cap 100nF 20% 63V 1206 NO PHILIPS...
- Page 11 Parts list 2022 power supply rear panel PCB Component Description Barrett Part Number Designator Cap 100nF Mono 5mm SPC CP-01018 Di 1N914/1N4148 DI-03302 Di 1N914/1N4148 DI-03302 Di 1N5821 Power DI-03353 Di 1N5404 Power DI-03313 Di 1N914/1N4148 DI-03302 Conn D 7W2 (2P/5D) M ST...
- Page 12 The warranty period for all products is twelve months after shipment from the factory or an authorised Barrett agent or dealer. In the event that the end user completes and lodges warranty registration documents within three months of...
- Page 13 Warranty registration and customer support Thank you for purchasing Barrett HF communications products. The standard and automatic warranty on Barrett products is one year. By completing the registration form on the next page and sending it to us by mail, fax or email, this warranty will be extended to a total of three years at no extra cost.
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