Picotest VRTS3 Distributed System Demo Board
Product Code: VRTS3
The Picotest VTS3 Demo Board contains eight individual circuit sections as identified in the table below. These circuits are typical in most distributed systems providing an excellent test bed for demonstrating non-invasive, in-system measurement, optimization and troubleshooting techniques. VRTS3 Board Sections Section Function POL 5V USB input to 3.3V 2.8MHz switching regulator REF03 2.5V low noise voltage reference OPAMP 245MHz Bandwidth unity gain opamp buffer LDO LD1086 voltage regulator 5V USB input to 3.3V output CLOCKS/BUFFERS 10MHz and 125MHz clocks CALIBRATION Short-Open-Load and 1 Ohm calibration ports PLANES & CAPS Parallel tantalum and ceramic
capacitor on a small PCB plane
MICROSTRIPS
50O microstrips with precision aberrations - one with a
ground void
Supported Measurements
TEST
SIGNAL INJECTORS NEEDED
1 Port Impedance
DC Block
Output Impedance
See Impedance Table 2
Bode Plot
J2100A or J2101A
Non-invasive Stability
See Impedance Table 2
Switching Frequency
Switch Rise Time
Duty Cycle Jitter
Noise
DC Block, 1 Port Probe, Preamp
PSRR
DC Block, J2120A, or J2111A
Step Load Response
J2111A or J2112A
Clock Jitter
Clock Rise Time
Jitter Sensitivity
DC Block
Power Supply Impedance
See Impedance Table 2
Crosstalk
Clock Buffer PDN Noise
DC Block
Clock Buffer Impedance
See Impedance Table 2
Parallel Capacitor resonance
1 Port Probe
Plane Impedance
1 Port Probe
Velocity Factor and Er
Trace Impedance
Impedance of Broken Ground
2 port Shunt Thru Impedance
J2120A, 2 Port Probe, DC Block
Ripple
DC Block, Preamp
EMI
Near Field Probes
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