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Part: DBS2055
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Company: Analogic Corporation
Datasheet: Download DBS2055 datasheet File size : 54 kB
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DBS2055
y inar im Prel 1/02 7/
Introduction
4.8 GS/s Universal, High Speed Arbitrary Waveform Generator
Building on thirty years of success developing state-of-the-art measurement solutions, Analogic introduces the DBS2055 -- a powerful adaptation of our most advanced broadband stimulus instrument, the DBS2050A. Engineers and scientists who rely on ultra-high-performance arbitrary waveform generators can anticipate significant performance improvements from this new instrument. The DBS2055 can: Generate arbitrary waveforms, including Pulse Pattern and Sinusoidal stimulus, over a frequency range of DC to 2 GHz with up to 8 bits of vertical resolution and over 60 dB of programmable gain and offset Produce rise/fall times of 100 times over conventional AWG designs by using the flexible waveform and sequence memory architecture Use waveform-independent runtime parameters to change the output level and offset "on the fly" Preload up to 4,096 unique waveforms in memory and seamlessly link them for playback (creating very long waveform playback periods), using Dynamic Waveform Sequencing Advance from one waveform to the next using conditional waveform repeat (loop) counts as well as internal or external trigger events Synchronize the analog outputs with up to 6 independent TTL level markers Generate precise standard waveforms: square, sine, positive and negative ramps, pulse, noise, triangle, positive and negative haversines, sin(x)/x, and DC Bring your next high-speed analog or mixed signal design to market faster while dramatically reducing errors or oversights in critical design verifications. The DBS2055 is ideal for use on the production floor or in the laboratory.
Features
Sampling Rate: 4.8 GS/s Bandwidth: 1.9 GHz Waveform Resolution: 8-Bit Voltage Range: 4.0V peak-to-peak in X4 Output Mode Voltage Offset: ±3.5 VDC Waveform Memory: 8 Mbytes Sequence Memory: 4k Segments 100% Performance Tested with NIST Traceable Cert. of Comp. Application Development: VXI Plug and Play Compliant Drivers for Win 98, NT, 2K IEEE-488/1394/100Base-T Ethernet
General Description
The DBS2055 has three modes of operation: single channel, synchronous dual channel, and synchronous quad channel. In single channel mode the unit operates at the highest sample rate, 4.8 GS/s, using the internal time base. Single channel mode produces the fastest edges and covers the widest bandwidth. Dual synchronous mode takes advantage of the DBS2055's unique architecture to produce matched waveforms with negligible time skew and jitter of <10 ps RMS. Quad channel mode extends this capability to four waveforms with an individual sample rate of 1.2 GS/s. In single or dual sync modes the unit produces true differential or single ended waveforms with full scale output levels up to 4.0V peak to peak. continued
Applications
Automatic Test Equipment HDD Read/Write Chan. Development Telecom/Datacom Mass Storage RADAR Ultrasonics Navigation LAN/WAN Wireless RF Controls Fiber
Master Module
Combiner 1
Master Module
Combiner 1
Output 1A
IN1
Output 1A Channel 1 Output Output 1B +
Sync Clk+ Sync Clk DBS2055 Output Out Slave Module +
Sync Clk+ Sync Clk
Slave Module
Output 1A
IN2 CAL
Output 1A Output 1B Sync Clk+ Sync Clk REF Clk IN Channel 2 Output +
Sync Clk+ Sync Clk REF Clk IN
DBS2055 Single Channel Mode (Single Ended Output)
DBS2055 Dual Synchronous Mode (Single Ended Outputs)
Master Module
Combiner 1 Combiner 2
Master Module
Combiner 1 Combiner 2
Output 1A Output 2A Sync Clk+ Sync Clk
IN 1 IN 11 IN
Output 1B Channel 1 Output Output 2B Sync Clk+ Sync Clk + DBS2055 Output
+
Slave Module
Slave Module
Output 1A Output 2A Sync Clk+ Sync Clk REF Clk IN
IN 2 IN 2 IN 2 Cal Cal
Output 1B Output 2B Sync Clk+ Sync Clk REF Clk IN Channel 2 Output
+
DBS2055 Single Channel Mode (Differential Output)
DBS2055 Dual Synchronous Mode (Differential Outputs)
Continued from page 1 The provided waveform pre-compensation algorithms can be used to exchange output level for dramatic increases in analog bandwidth. The operator defines the desired signal bandwidth and the waveforms conform to the desired frequency response. The DBS2055 also achieves stunning frequency response over the full bandwidth of operation. Amplitude flatness is less than ±0.5 dB up to 700 MHz. Waveform pre-compensation involves the application of principles from sampling theory that compensates for the frequency response of the system, including cables. Waveform creation and editing software is provided by WavesmithTM, a versatile waveform development system for Windows. This tool provides a "no programming required" work environment for rapid prototyping of user w a v e f o r m s , as well as direct control of all instrument functions.
HDD-NARB, Hard Disk Drive Read/Write Channel Testing
HDD/NARB is an application specific software tool that, when combined with the DBS2055, tackles one of the toughest problems faced by developers in the hard disk drive industry: managing the rapid advances in Read/Write channel complexity, data rates and sensitivity. An HDDNARB and DBS2055 can literally replace the physical media head. HDD-NARB generates accurate and precise pulse patterns representative of actual drive media, waveforms that are critical to design verification by both chip and disk drive manufacturers. HDD-NARB will easily model media noise, thermal asperities, and dropouts the three deadly effects that plague disk drives.
DBS2055
Specifications
OUTPUT CHARACTERISTICS
Parameter X1 OUTPUT MODE Max. Amplitude Accuracy Gain Ctrl Accuracy Resolution Flatness (3) Conditions Differential Single-Ended 50 Terminated 25° ±5°C 0.5 Vp-p, 4.8 GS/s 3500 steps/60 dB ±0.2 dB ±0.3 dB ±0.5 dB 1.9 GHz 165.0 MHz <2.2 ns <2.5 ns 2.0 mV ±2.0V ±3.5V ±2.0% of setting ±20 mV ±2.0% of setting ±80 mV ±2.0% of setting ±20 mV ±2.0% of setting ±30 mV 6 µs to within 2% of new setting Max. Parameter Type 3 dB Bandwidth Rise Time
FILTER CHARACTERISTICS
Conditions 3-pole Bessel Low Pass Selectable Value
2 MHz 20 MHz 200 MHz 0.35/Bandwidth
TIME BASE/SAMPLING CLOCK
Parameter Conditions Value 2410 MS/s to 4.8 GS/s 600 S/s to 2.4 GS/s 300 S/s to 1.2 GS/s 0.4% of Desired Rate Max. ±2 ppm Typ. <10 ps RMS INTERNAL SAMPLE CLOCK Single Channel Mode Range Dual Channel Mode Quad Channel Mode Resolution Accuracy Jitter 100 ns Measurement Window Internal Clock Only EXTERNAL REFERENCE CLOCK INPUT 0.8 1.5 Vp-p Range Resolution at Duty Cycle 10 MHz Impedance EXTERNAL SAMPLE CLOCK 0.8 1.5 Vp-p Slew Range Rate 0.5V/ns Applied to Master, 50 AC Coupled
Bandwidth (Small Signal) Rise/Fall Time (3) Amplitude Control Settling Time X4 OUTPUT MODE Max. Amplitude Accuracy Gain Ctrl Accuracy Flatness (1) Bandwidth Rise/Fall Time DC OFFSET Resolution Range Accuracy SingleEnded Output
Single-Ended Only 50 Terminated 25° ±5°C Sinusoid 2.0 Vp-p <2.0 Vp-p <2.0 Vp-p <4.0 Vp-p
2.5 MHz to 100 MHz 2.5 MHz Steps 50% Nom. 50 ohms AC coupled
100 kHz to 2.4 GHz
Differential Single-Ended Mode Output Mode (X1) Output Mode (X4)
TRIGGER CHARACTERISTICS
Parameter MAIN TRIGGER Sources Modes Threshold Range Threshold Accuracy Hysteresis Input Impedance Conditions Value
Accuracy Differential Output Offset Control Settling Time
Common Mode X1 Output Mode Differential X1 Output Mode
Trigger A, Trigger B Free Run, Start, Stop, Gate and Start/Stop ±10.0V ±5% of Setting ±140 mV Typ. 40 mVp-pk 4.0 k Nom. Quad Channel Mode Dual Synchronous Mode Single Channel Mode 42 ns + 17 clock cycles 42 ns + 35 clock cycles 42 ns + 70 clock cycles
SINEWAVE CHARACTERISTICS
Parameter X1 OUTPUT MODE SFDR <10 MHz <50 MHz <200 MHz SINAD Conditions Value
Trigger to Output Delay
Measured from 1 MHz to Nyquist. 1.0 Vp-p 4.8 GS/s 50 MHz Carrier 1.0 Vp-p 4.8 GS/s 5 MHz to Nyquist
>45 dBc >40 dBc >30 dBc >37 dBc
X4 OUTPUT MODE SFDR 40 dBc
BRANCH AND ADVANCE TRIGGER (Multi-Channel Mode) Threshold TTL Mode 1.5V Typ. Zero Crossing 0V Typ. Input Impedance 10 k Nom. Trigger to Output 1.66 µs + 256/FS (2) Delay
MARKER OUTPUTS 1, 2, 3
Parameter Output Impedance Delay Range Delay Resolution Pulse Width Range Resolution Response Conditions No Load Single Channel Single Channel Value TTL 50 Nom. 0 to 4 x 106 x sample clock period Max. 64 x sample clock period 0 to 2.62 x 105 x sample clock period Max. 64 x sample clock period
SINAD
37 dBc
DBS2055
Specifications, Cont.
PHYSICAL CHARACTERISTICS
Parameter Weight Size Cooling Conditions Without Packaging Value 16 kg VXI 4-Slot Wide C Size 4 liters min/sec/slot @ 0.5 mm H20
REGULATORY
VXI Compliance Electromagnetic Compatibility Safety VXI Plug and Play Register based instrument EN61326-1 Class A FCC Part 15, Subpart B, Class A EN61010-1, CSA C22.2 No. 1010.1, UL61010A-1
ENVIRONMENTAL
Parameter Operating Temperature Range Storage Temperature Range Relative Humidity Total Power Dissipation DC Current Consumption Conditions At Rated Air Flow Full Compliance with Specifications Value 10°C to 40°C
20°C to +70°C Non-Condensing Operating +5 VDC 5.2 VDC +24 VDC 24 VDC +12 VDC 12 VDC 2 VDC Operating Non-Operating Operating Non-Operating 10%90% 260 watts 12.4 A Max. 17 A Max. 0.2 A Max. 0.2 A Max. 1.4 A Max. 2.0 A Max. 7.2 A Max. IEC 68-2-6 IEC 68-2-6 6.0G, 11 ms _sine IEC 68-2-29 10G ISTA Project 2A
Vibration Shock
Shown Installed in Analogic DP7040-2 Bench Top Chassis.
ACCESSORIES
User's Manual Support Software Includes: · VXI P&P Driver for Framework, 98,2K, Win NT · LabWindows CVI Soft Front Panel Source Code · WavesmithTM Waveform Development Software for Win NT, 98, 2K · HDD-NARB Pulse Pattern and Synthesis Software for Hard Disk Drive Industry
Transportation
CALIBRATION/WARRANTY
Warm-Up Time Recommended Factory Re-Certification 15 minutes Annually
Contact Analogic for a complete listing of other VXI products and accessories. Notes All specifications are subject to change without notice. All specifications are valid within the operating limits stated. Calibration values are not user accessible. All specifications are valid for 50 output terminations unless otherwise stated. 1. Allowance made for sin(x)/x Rolloff. 2. Fs sample clock rate. 3. With Waveform Pre-Compensation
Analogic Corporation Test & Measurement Division 8 Centennial Drive Peabody, MA 01960-7987, USA Tel: (978) 977-3000 Fax: (978) 977-6814 email: t&m_info@analogic.com www.analogic.com
Printed in U.S.A. © 2001, 2002 ANALOGIC Corporation Bulletin No. 16-100676 REV 1 5/02
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