Archive for Equipment Review

Keithley 2460 Source Measure Unit (SMU) Review, Teardown and Experiments

Keithley 2460

In this episode Shahriar reviews the new Keithley 2460 Source Measure Unit (SMU). The Keithley 2460 shares all the touchscreen GUI advancements of the 2450 SMU and offers up to 100W of power in full four-quadrant operation. The combination of the 2450 and 2460 SMUs from Keithley offer a wide range of applications.

After a brief teardown of the instrument, several experiments are devised to demonstrate the TSP scripting as well as KickStart software capabilities. The experiments include LED failure modes, Geiger counter setup, Op-amp based voltage regulator characterization, temperature controller, non-linear transconductance emulation and data collection application.

Experiments and Teardown of the Teledyne LeCroy LabMaster 10-100zi 100GHz, 240GS/s Oscilloscope

10-100zi

In this world exclusive episode, Shahriar visits Teledyne LeCroy to take a close look at the operation, teardown and experiments with the LabMaster 10-100zi, 100GHz simultaneous bandwidth, 240GS/s real-time oscilloscope. This instrument provides either a single 100GHz channel, or two 33GHz and one 65GHz digitizing channels. The instrument uses a frequency interleaving technique invented and implemented at LeCroy.

The block diagram and the theory of operation of the scope is presented. This includes the architecture of the 4x80GS/s ADCs and the triple frequency interleaving system. The teardown of the scope includes a close look at the ADC platform, the dual frequency interleaving (65GHz operation) and the triple frequency interleaving (100GHz operation). The experiments with the scope demonstrate the instrument’s capability to digitize signals up 100GHz using the beat frequency of two non-coherent lasers. The scope is also used to capture a 4pS rise time pulse from a femtosecond laser pulse system and a high-speed photo detector.
A complete factory tour is also presented where Teledyne LeCroy assembles all their oscilloscope products right here in the USA.

Review and Teardown of the Analog Arts SL987 USB Oscilloscope AWG Pattern Generator and Logic Analyzer

SL987

In this episode Shahriar takes a close look at the Analog Arts USB based mixed-domain instrument. The SL987 offers an oscilloscope, arbitrary waveform generator, FFT-based spectrum analyzer, pattern generator and logic analyzer in a compact form factor.

The teardown of the unit is presented along with the datasheet of every major component on the PCB. Some design limitations and concerns are presented along with basic performance verifications.

Review, Teardown and Experiments with a Keysight MSO-S Series 10-bit 20GS/s Oscilloscope

MSO-S

In this episode Shahriar does an extensive review and teardown of the Keysight (Agilent) MSO-S Series 10-bit 20GS/s Oscilloscope. This scope supports bandwidths up to 8GHz and 400M points of memory per channel. With hardware 10-bit ADCs as well as an ultra low-noise front-end, this scope offers an impressive dynamic range on all four channels. All scope features are software upgradable.

The teardown consists of a close look at the acquisition board and the system blocks diagram. Various elements such as the ADC structure, FPGAs, memory and the time-base are all examines. The scope offers a +/-12ppb time-base with a 100fs jitter noise floor. Some basic performance measurements are also presented such as noise and SFDR.

The wireless experiment shows the performance of the scope in demodulating very low-power signals on an RF carrier. A -75dBm 2.5GHs QPSK signal can be demodulated by the scope. The instrument can also demodulate a 16QAM signal in presence of an interfering signal which is 44dB higher in signal power. All demodulation experiments are performed using the Keysight VSA.

The backplane experiments demonstrate the scope’s capability to perform jitter and noise analysis on multi-gigabit serial links. The built-in equalization software suites are used to find the FFE coefficients and those coefficients are used to perform hardware equalization in an FPGA communication link.

Review, Comparison and Teardown of Siglent SDG5162 and Rigol DG4162 Arbitrary Waveform Generators

SDG5162

In this episode Shahriar compares the performance and features of the Siglent SDG5162 and Rigol DG4162 Arbitrary Waveform Generators. Siglent has recently opened a new North America office which would certainly help them bring their instruments to the US more quickly and provide better local customer and sale support.

The Siglent SDG5000 teardown is presented. Aside from various GUI features of these two units, the THD, phase noise and maximum output power of each unit is measured. The ability of the Siglent generator to produce 12ns pulse width independent of the output frequency is also presented with some practical applications. Finally the Easy Wave application us is used to generate some custom waveforms.

  • Social Media

    twittergooglepluswordpressyoutuberedditrssemail
  • Administrator

  • Archives