0 9 / 0 6 • 1 0 2 1 5 8 A E LoopStar® 745 and LoopStar® 745 P

LoopStar® 745 and LoopStar® 745P

Cost-Effective Ethernet Over DS3 Solutions With Carrier-Class Management Capabilities

Specifications

Interfaces

2 x 10/100 (RJ45)

1 x DS3 (BNC)

1 x T1 (RJ48c) (LoopStar 45+ only)

10/100 management port

Protocols

802.1p Prioritization

802.1Q VLAN tagging/switching/stacking

Management

In-band management VLAN

Web-based management GUI

SNMP agent with standard MIBs

FTP client download

LoopStar 700 intelligent management

Ethernet Services

802.1p prioritization

802.1Q VLAN tagging/switching/stacking

Rate limiting: 128-500 kb/s increments

CoS: WRR or strict priority based on VLAN, p-bits or ToS/DSCP

Maintenance

DS1 loopback

DS3 loopback and PM

10/100 loopbacks and PM

Ethernet cable testing with TDR

Power

AC Power: 100-240 V auto ranging, 47-63Hz

DC Power: Dual DC Feeds

-48 VDC, nominal (-40 to -60VDC)or 24 VDC

Physical

1RU 1.75” x 17” x 7.25” (h x w x d)

0° to 50° C (operating)

Rack or wall mounting options

Regulatory

UL 60950, EN 60950

CE Mark

FCC Part 15, Class B

EN55022 Class B

NEBS Level 3 certified

Full front access (ETSI form factor)

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ADC 745P manual Interfaces, Protocols, Management, Ethernet Services, Maintenance, Power, Physical, Regulatory

745, 745P specifications

The ADC 745 and 745P are advanced analog-to-digital converters that serve as integral components in various electronic applications. They are designed to provide high-resolution digital outputs from analog input signals, making them crucial for systems requiring precise measurement and data processing.

One of the primary features of the ADC 745 is its high conversion speed. With a sampling rate of up to 1 megasample per second (MSPS), it can handle rapidly changing signals with ease. This makes it particularly suitable for applications in data acquisition systems, instrumentation, and communication devices. The 745P variant further enhances the original model with improved performance specifications and additional features.

The key technology behind the ADC 745 series is the successive approximation register (SAR) architecture. This technology allows for high accuracy and low power consumption, making the ADC ideal for battery-operated devices. The SAR method uses a binary search algorithm to convert the analog input into a digital output efficiently, resulting in fast and reliable conversions.

One of the standout characteristics of the ADC 745 is its resolution of 12 bits, which ensures fine granularity in measurements. This level of precision is crucial for applications where small changes in signal values need to be detected. The device also boasts an impressive signal-to-noise ratio (SNR), which contributes to its ability to produce clear and accurate digital representations of analog signals.

Another important feature is the built-in reference voltage capabilities, allowing the ADC to be configured for various range settings. This flexibility is essential for adapting to different signal levels, catering to a wide array of applications. Additionally, the ADC 745 series includes features such as an internal sample-and-hold function, which stabilizes the input signal during the conversion process, ensuring that noise and fluctuations do not adversely affect the output.

The ADC 745 and 745P are designed with compatibility in mind, often integrating seamlessly with various microcontrollers and digital signal processors. This compatibility simplifies the design process for engineers and developers, enabling them to incorporate these ADCs into their systems with minimal effort.

Overall, the ADC 745 and 745P represent cutting-edge solutions for analog-to-digital conversion, combining speed, precision, and versatility to meet the demands of modern electronic applications. Their robust feature set makes them a trusted choice for engineers focused on ensuring high-quality data acquisition and processing.