Measurement Modes

Transmission

  1. S21
  2. Gain Phase

Impedance

  1. Impedance One Port
  2. Impedance Adapter
  3. Impedance External Bridge
  4. Impedance Shunt Thru
  5. Impedance Series Thru
  6. Voltage Current Gain

Reflection

  1. S11 One Port
  2. S11 External Coupler

S21 Measurement

The S21 Transmission measurement mode measures the S21 scattering parameters with 50Ω termination using the internal reference.

Warning

Do not exceed 3.3 Vrms at the output (50 Ω). Do not exceed 7 Vrms at Channel 2 input (50 Ω).

Program Code

    //Connect to Bode100

    measurement = bode.Transmission.CreateS21Measurement();

    //Configure and start measurement

Default Configuration

Setting Default Value
SourceLevel 0dBm
Receiver Bandwidth 1kHz
Attenuation Channel 1 20dB
Attenuation Channel 2 20dB
Termination Channel 2 50Ω
ExternalProbe Channel 2 1
DUT Settling Time 0ms

Default Sweep Settings

Setting Default Value
Start Frequency 100kHz
Stop Frequency 40MHz
Number of Points 201
Sweep Mode Linear

Measurement Setup

Gain Phase Measurement

Measure transfer function (Gain/Phase) from CH1 to CH2.

Warning

By default, the inputs are set to high impedance and are ac-coupled. Do not exceed 50 Vdc at the inputs. Do not exceed 3.3 Vrms at the output (50 Ω).

Program Code

    //Connect to Bode100

    measurement = bode.Transmission.CreateGainMeasurement();

    //Configure and start measurement

Default Configuration

Setting Default Value
SourceLevel 0dBm
Receiver Bandwidth 1kHz
Attenuation Channel 1 20dB
Attenuation Channel 2 20dB
Termination Channel 1 1MΩ
Termination Channel 2 1MΩ
ExternalProbe Channel 1 1
ExternalProbe Channel 2 1
DUT Settling Time 0ms

Default Sweep Settings

Setting Default Value
Start Frequency 10Hz
Stop Frequency 40MHz
Number of Points 201
Sweep Mode Logarithmic

Measurement Setup

S11 One Port Measurement

Measure impedance/reflection at the output port.\n Recommended impedance range: 500 mΩ … 10 kΩ.

Warning

By default, the inputs are set to high impedance and are ac-coupled. Do not exceed 50 Vdc at the inputs. Do not exceed 3.3 Vrms at the output (50 Ω).

Program Code

    //Connect to Bode100

    measurement = bode.Reflection.CreateS11OnePortMeasurement();

    //Configure and start measurement

Default Configuration

Setting Default Value
SourceLevel 0dBm
Receiver Bandwidth 1kHz
Attenuation Channel 1 10dB
Attenuation Channel 2 10dB
Termination Channel 2 50Ω
NominalImpedanceZ0 50Ω
Calibration ShortDelayTime 50ps
Calibration Load 50Ω
DUT Settling Time 0ms

Default Sweep Settings

Setting Default Value
Start Frequency 100Hz
Stop Frequency 40MHz
Number of Points 201
Sweep Mode Logarithmic

Measurement Setup

S11 External Coupler Measurement

Measure reflection using a directional coupler.

Warning

Do not exceed 7 Vrms at the inputs (50 Ω).

Note

Calibration (open, short, load) is required.

Program Code

    //Connect to Bode100

    measurement = bode.Reflection.CreateS11ExternalCouplerMeasurement();

    //Configure and start measurement

Default Configuration

Setting Default Value
SourceLevel 0dBm
Receiver Bandwidth 1kHz
Attenuation Channel 1 20dB
Attenuation Channel 2 20dB
Termination Channel 1 50Ω
Termination Channel 2 50Ω
ExternalProbe Channel 1 1
ExternalProbe Channel 2 1
NominalImpedanceZ0 50Ω
Calibration ShortDelayTime 50ps
Calibration Load 50Ω
DUT Settling Time 0ms

Default Sweep Settings

Setting Default Value
Start Frequency 100Hz
Stop Frequency 40MHz
Number of Points 201
Sweep Mode Logarithmic

Measurement Setup

Impedance One Port Measurement

Measure impedance/reflection at the output port. Recommended impedance range: 500 mΩ … 10 kΩ.

Warning

Do not exceed 3.3 Vrms at the output (50 Ω).

Program Code

    //Connect to Bode100

    measurement = bode.Impedance.CreateOnePortMeasurement();

    //Configure and start measurement

Configuration

Setting Default Value
SourceLevel 0dBm
Receiver Bandwidth 300Hz
Attenuation Channel 1 10dB
Attenuation Channel 2 10dB
Calibration ShortDelayTime 50ps
Calibration Load 50Ω
DUT Settling Time 0ms

Default Sweep Settings

Setting Default Value
Start Frequency 100Hz
Stop Frequency 40MHz
Number of Points 201
Sweep Mode Logarithmic

Measurement Setup

Impedance Adapter Measurement

Measure impedance using the B-WIC or B-SMC component test fixtures.

Recommended impedance range: 20 mΩ … 600 kΩ

Note

Calibration (open, short, load) is required.

Program Code

    //Connect to Bode100

    measurement = bode.Impedance.CreateAdapterMeasurement();

    //Configure and start measurement

Default Configuration

Setting Default Value
SourceLevel 13dBm
Receiver Bandwidth 300Hz
Calibration ShortDelayTime 0ps
Calibration Load 100Ω
DUT Settling Time 0ms

Default Sweep Settings

Setting Default Value
Start Frequency 100Hz
Stop Frequency 40MHz
Number of Points 201
Sweep Mode Logarithmic

Measurement Setup

External Bridge Measurement

Measure impedance using a custom measurement bridge.

Note

Calibration (open, short, load) is required.

Program Code

    //Connect to Bode100

    measurement = bode.Impedance.CreateExternalBridgeMeasurement();

    //Configure and start measurement

Default Configuration

Setting Default Value
SourceLevel 0dBm
Receiver Bandwidth 300Hz
Attenuation Channel 1 20dB
Attenuation Channel 2 20dB
Termination Channel 1 1MΩ
Termination Channel 2 1MΩ
ExternalProbe Channel 1 1
ExternalProbe Channel 2 1
Calibration ShortDelayTime 50ps
Calibration Load 50Ω
DUT Settling Time 0ms

Default Sweep Settings

Setting Default Value
Start Frequency 100Hz
Stop Frequency 40MHz
Number of Points 201
Sweep Mode Logarithmic

Measurement Setup

Impedance Shunt Thru

Measure impedance with the Shunt-Thru method. Recommended impedance range: 1 mΩ … 100 Ω

Warning

Do not exceed 3.3 Vrms at the output (50 Ω). Do not exceed 7 Vrms at Channel 2 input (50 Ω).

Program Code

    //Connect to Bode100

    measurement = bode.Impedance.CreateShuntThruMeasurement();

    //Configure and start measurement

Default Configuration

Setting Default Value
SourceLevel 0dBm
Receiver Bandwidth 300Hz
Attenuation Channel 1 20dB
Attenuation Channel 2 20dB
Termination Channel 2 50Ω
Calibration ShortDelayTime 0ps
Calibration Load 50Ω
DUT Settling Time 0ms

Default Sweep Settings

Setting Default Value
Start Frequency 100Hz
Stop Frequency 40MHz
Number of Points 201
Sweep Mode Logarithmic

Measurement Setup

Impedance Series Thru

Measure impedance with the Series-Thru method.

Recommended impedance range: 1 kΩ … 1 MΩ

Warning

Do not exceed 3.3 Vrms at the output (50 Ω). Do not exceed 7 Vrms at Channel 2 input (50 Ω).

Program Code

    //Connect to Bode100

    measurement = bode.Impedance.CreateSeriesThruMeasurement();

    //Configure and start measurement

Default Configuration

Setting Default Value
SourceLevel 0dBm
Receiver Bandwidth 300Hz
Attenuation Channel 1 20dB
Attenuation Channel 2 20dB
Termination Channel 2 50Ω
Calibration ShortDelayTime 0ps
Calibration Load 50Ω
DUT Settling Time 0ms

Default Sweep Settings

Setting Default Value
Start Frequency 100Hz
Stop Frequency 40MHz
Number of Points 201
Sweep Mode Logarithmic

Measurement Setup

Voltage Current Gain

Measure impedance by connecting a voltage probe to CH2 and a current probe to CH1. Impedance range depends on sensitivity of the used probes.

Warning

By default, the inputs are set to high impedance and are ac-coupled. Do not exceed 50 Vdc at the inputs. Do not exceed 3.3 Vrms at the output (50 Ω).

Program Code

    //Connect to Bode100

    measurement = bode.Impedance.CreateVoltageCurrentGainMeasurement();

    //Configure and start measurement

Default Configuration

Setting Default Value
SourceLevel 0dBm
Receiver Bandwidth 300Hz
Attenuation Channel 1 20dB
Attenuation Channel 2 20dB
Termination Channel 1 1MΩ
Termination Channel 2 1MΩ
ExternalProbe Channel 1 1
ExternalProbe Channel 2 1
Calibration ShortDelayTime 0ps
Calibration Load 50Ω
DUT Settling Time 0ms

Default Sweep Settings

Setting Default Value
Start Frequency 100Hz
Stop Frequency 40MHz
Number of Points 201
Sweep Mode Logarithmic

Measurement Setup