XJTAG Expert ADF-2 — Integrated JTAG boundary scan oscilloscope

XJTAG Expert is a discontinued device that is no longer available to purchase. XJTAG recommends the XJLink2 JTAG controller.

It is a portable Boundary Scan test solution with digital oscilloscope, waveform and function generator, spectrum analyser and serial protocols analyser.

XJTAG Expert ADF-2 product sheet

Boundary Scan Features

• XJLink2 compatible
• Up to 4 TAP connections to UUT
• Handles different cable and board configurations
• USB bus-powered (no external PSU)
• TCK clock frequencies up to 166 MHz
• Two different voltages can be configured, from 1.1 V to 3.3 V in 0.1 V steps
• High speed USB 2.0 interface, backwards compatible with USB 1.0 & 1.1
• Adjustable JTAG signal termination
• Spare pins on the JTAG connector can be used to indicate the test status
• Pins can also be used as general purpose I/O during testing, for example for fast Flash programming
• Automatic signal skew control
• Can supply power to the target board (3.3 V, <100 mA)
• Built in voltmeter on all I/O pins. Voltage input: Min 0 V, Max 5 V
• Frequency counter on all I/O pins
  • Frequency input: Min 1 Hz, Max 200 MHz
  • Selectable measurement period of 1 ms, 10 ms, 100 ms, 1 s, 10 s
• JTAG signals are +5 V tolerant

 

 

Advanced Digital Features

Digital Oscilloscope

• 2 channels, 200 MHz bandwidth each
• 128 MSample buffer memory
• 8 bits resolution
• 500 MSample/s real time sampling
• 10 GSample/s repetitive sampling
• Input range ±50 mV to ±20 V
• Timebase accuracy ±50 ppm
• Sample jitter < 5 ps RMS
• Overload protection ±100 V (peak)
• Multiple advanced digital trigger modes
• External trigger input

 

Spectrum Analyser

• Frequency DC to 200 MHz
• Display modes: Magnitude, average, peak hold
• Windowing functions: Rectangular, Gaussian, triangular, flat-top, Blackman, Blackman-Harris, Hamming, Hann
• FFT points: Selectable from 128 to 1 million, in powers of 2
• Multiple spectrum views
• Frequency-domain measurements: THD, THD+N, SNR, SINAD, etc.

 

Waveform & Function Generator

• Function Generator
  • Signals: sine, square, triangle, ramp, sinc, DC, Gaussian, half-sine, white noise, PRBS
  • Frequency: DC to 1 MHz
  • Accuracy: ±50 ppm
  • Resolution: < 0.01 Hz
  • Overvoltage protection ±100 V
  • SFDR > 60 dB, 10 KHz full scale sine wave

• Arbitrary Waveform Generator
  • 8 KSample buffer size
  • 20 MHz update rate; Bandwidth > 1 MHz
  • 12 bits resolution
  • Rise time (10-90%): < 100 ns

 

Serial Protocols Analyser

• CAN bus, I2C, SPI, RS232, UART
• Multiple format views
• Frame filtering and search options
• Hex data to text export capability

Reference codes: XJTAG-APD-0110, XJTAG-ASD-0100, XJTAG-AER-0050, XJTAG-AEL-0040, XJTAG-AAR-0030, XJTAG-AAL-0020, XJTAG-ARL-0025.