Related Manuals for Keysight Technologies B2980A Series
Summary of Contents for Keysight Technologies B2980A Series
- Page 1 Keysight Technologies Photodiode Test Using the Keysight B2980A Series B2981A/83A Femto/Picoammeter B2985A/87A Electrometer/High Resistance Meter Technical Overview...
- Page 2 PC. The B2980A Series also has external trigger in and out terminals that allow it to receive and send trigger signals from and to external instruments.
- Page 3 03 | Keysight | Photodiode Test Using the Keysight B2980A Series - Technical Overview Photodiode Characterization Example This section explains how to perform PD dark current measurements using the B2985A/87A. Test System Figure 1 shows the circuit diagram to evaluate PD characteristics using the B2985A/87A Electrometer/High Resistance Meter.
- Page 4 04 | Keysight | Photodiode Test Using the Keysight B2980A Series - Technical Overview The following instructions describe how to set up the B2985A/87A to perform PD dark current measurements on the instrument front panel. A file containing the setup used in the example can be downloaded at the following link: www.keysight.com/find/SensitiveMeasurement...
- Page 5 05 | Keysight | Photodiode Test Using the Keysight B2980A Series - Technical Overview Setting up the B2985A/87A from its front panel (continued) 2. Select the current measurement range operation and set the current measurement range. a. Press , and then press to show the Range Parameters.
- Page 6 06 | Keysight | Photodiode Test Using the Keysight B2980A Series - Technical Overview Setting up the B2985A/87A from its front panel (continued) 3. Set the Sweep Parameters to make the instrument perform a voltage sweep. a. Press , and then press to show Sweep Parameters.
- Page 7 07 | Keysight | Photodiode Test Using the Keysight B2980A Series - Technical Overview Setting up the B2985A/87A from its front panel (continued) 4. Set the Trigger Parameters to configure the Measurement Delay Time. a. Press , and then press to show the Trigger Parameters.
- Page 8 08 | Keysight | Photodiode Test Using the Keysight B2980A Series - Technical Overview Setting up the B2985A/87A from its front panel (continued) 5. Select the Graph View and configure it to show results graphically. a. Press to show the function keys for View Modes, and then press to show the Graph View.
- Page 9 09 | Keysight | Photodiode Test Using the Keysight B2980A Series - Technical Overview Setting up the B2985A/87A from its front panel (continued) 6. Enable the Voltage Source and Ammeter. a. Press Voltage Source to enable the Voltage Source. b. Press Ammeter to enable the Ammeter.
- Page 10 10 | Keysight | Photodiode Test Using the Keysight B2980A Series - Technical Overview Performing photodiode dark current measurements After configuring the instrument, perform the following procedures to execute PD dark current measurements. If you are using the front panel, trigger the B2985A/87A to start sweeping the reverse-bias...
- Page 11 11 | Keysight | Photodiode Test Using the Keysight B2980A Series - Technical Overview L-I-V Test Example This section explains how to synchronize the B2980A Series with other instruments using the example of a laser diode (LD) L-I-V sweep test using a photodiode (PD).
- Page 12 12 | Keysight | Photodiode Test Using the Keysight B2980A Series - Technical Overview Test System (continued) A distributed feedback (DFB) laser diode is used in this example. The key measurement conditions are summarized in Table 2. The PD current is measured by the B2985A/87A as the drive current to the LD is swept from 0 A to 50 mA in 250 µA steps by the B2911A.
- Page 13 13 | Keysight | Photodiode Test Using the Keysight B2980A Series - Technical Overview Setting up the B2985A/87A from its front panel 1. Set “Dual Measure Result Display” off to make the instrument measure only current (if this has not already been done).
- Page 14 14 | Keysight | Photodiode Test Using the Keysight B2980A Series - Technical Overview Setting up the B2985A/87A from its front panel (continued) 3. Select Manual Aperture Mode and set the Aperture Time a. Press to select the manual aperture mode.
- Page 15 15 | Keysight | Photodiode Test Using the Keysight B2980A Series - Technical Overview Setting up the B2985A/87A from its front panel (continued) 5. Set the Trigger Parameters to make the instrument perform measurements whenever it receives a trigger signal from the B2911A.
- Page 16 16 | Keysight | Photodiode Test Using the Keysight B2980A Series - Technical Overview Setting up the B2985A/87A from its front panel (continued) 6. Enable the Voltage Source and Ammeter. a. Press Voltage Source to enable the Voltage Source. b. Press Ammeter to enable the Ammeter.
- Page 17 17 | Keysight | Photodiode Test Using the Keysight B2980A Series - Technical Overview Set up the B2911A via front panel operation 1. Set the Source Function to Current a. Press repeatedly until Single View for Channel 1 is shown.
- Page 18 18 | Keysight | Photodiode Test Using the Keysight B2980A Series - Technical Overview Set up the B2911A via front panel operation (continued) 5. Set up the Sweep Parameters to make the instrument perform a current sweep. a. Press to show the Sweep Parameters.
- Page 19 19 | Keysight | Photodiode Test Using the Keysight B2980A Series - Technical Overview Set up the B2911A via front panel operation (continued) 6. Set the Trigger Parameters to make the instrument step current at regular intervals. a. Press to show the Trigger Parameters.
- Page 20 20 | Keysight | Photodiode Test Using the Keysight B2980A Series - Technical Overview Set up the B2911A via front panel operation (continued) 7. Set the Trigger Parameters to make the instrument output a trigger signal each time the channel steps current.
- Page 21 21 | Keysight | Photodiode Test Using the Keysight B2980A Series - Technical Overview Set up the B2911A via front panel operation (continued) g. Rotate to select parameters and fill in the entries as shown below. (Function: TRIGGER OUT, Output Trigger Timing: AFTER) h.
- Page 22 22 | Keysight | Photodiode Test Using the Keysight B2980A Series - Technical Overview Perform LIV Sweep Measurement After configuring each instrument, execute the following procedures to perform laser diode LIV sweep measurements. Initiate the B2985A/87A to receive trigger signals from the B2911A by pressing...
- Page 23 PC. In addition, the B2980A Series has the ability to send trigger signals to and receive trigger signals from external instruments. This makes it easy to synchronize the B2980A...
- Page 24 24 | Keysight | Photodiode Test Using the Keysight B2980A Series - Technical Overview For more information on Keysight myKeysight Technologies’ products, applications or www.keysight.com/find/mykeysight services, please contact your local Keysight A personalized view into the information most relevant to you.