TA430 datasheet(25/42 Pages) PICO

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PicoVNA® 100 Series vector network analyzers

6 GHz Network Metrology Training and Metrology Kits

The low-cost PicoVNA 106 opens up the potential for every student or trainee to learn

through the use of a full-function professional-grade vector network analyzer. The Pico

PQ186 Network Metrology Training Kit builds on this opportunity and supports a wide

variety of learning and experiment. Central to the kit is the separately available PQ189

Network Test PCA. This printed circuit accessory hosts a variety of example lumped

element, active and passive and transmission line DUTs and end-of-line SOLT (short-

open-load and through) calibration standards.

Used with the PicoVNA 106 or 108, the kit supports teaching objectives around reflection

and transmission measurements, S-parameters and other standard measurement

quantities. These can be presented and interpreted as log, linear, phase, real, imaginary,

polar and Smith chart formats and derived quantities group delay and time domain

transmission and reflection. Additionally, by including an active broadband amplifier

element (+5 V DC power required, 2.1 mm jack), nonlinear compression measurements

such as P1dB and AM to PM (phase due to amplitude modulation) can be explored using

the PicoVNA 106’s built-in measurement utilities.

Measurements and calibrations are made via industry-standard SMA connectors. These

support measurements out to 6 GHz and the teaching of best interconnection practice

and the importance of secure, repeatable and robust connections. Using the on-board

calibration standards the student can practice calibration for reflection, transmission

and 8- and 12-term corrections using short-open-load and the known and unknown

through methods.

Also included in the kit is a set of budget SMA(f) SOLT calibration standards (PQ190).

With these the student can calibrate at cable ends rather than on board. This supports

teaching and experiment around reference plane shift, normalization and the

de-embedding of feedlines and connections on the PCA. Assumed ‘ideal’ and typical

calibration data for these standards can be downloaded from picotech.com, along with

the comprehensive user’s and trainer’s guide and referenced instrument settings files.

Students with access to the AWR Design Environment can also download the Microwave

Office design project for the kit PCA. Pico’s Cadence AWR DE interface wizard can then

import real-world measured data directly to the project to allow measurement enhanced

simulation or comparison with the design simulations. Software development kit

examples are also available via GitHub (github.com/picotech) to import and work with

measured data in other CAD, test and programming environments such as MATLAB,

LabVIEW, C, C#, C++ and Python.

The Pico PQ186 Network Metrology Training Kit includes N(m) to SMA(f) inter-series

adaptors, SMA(m-m) test leads and fixed SMA wrenches – all that the student will need

to pair with the PicoVNA 106 (or any other VNA) to begin their practical learning. Printed

circuit layout of the network test PCA is generic to support modification to alternative

passive network and components.

PCA includes example attenuator,

broadband amplifier, 25 Ω mismatched

line, resistive power divider, lowpass

and bandpass filters and a user chip

component site, plus short, open, load and

through calibration elements.

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