Tektronix CFG280 - Manual

Table of Contents:

• Page 3 – WARRANTY
• Page 5 – Table of Contents
• Page 6 – ii
• Page 7 – General Safety Summary; Injury Precautions
• Page 8 – Product Damage Precautions; To prevent product overheating, provide proper ventilation.; Safety Terms and Symbols; These terms may appear in this manual:
• Page 9 – Terms on the Product; These terms may appear on the product:; Symbols on the Product; The following symbols may appear on the product:; Certifications and Compliances; CSA Certified Power Cords
• Page 11 – Getting Started
• Page 12 – Preparing the Function Generator for Use; Figure 1: Line Voltage Selectors, Power Input, and Fuse Locations; To prevent damage to the instrument, set the line voltage; Set the line voltage selectors to the input line voltage. These; between the supply conductors or
• Page 13 – Check that the correct line fuse is installed. The line fuse; To prevent electrical shock, connect the power cord to a; Connect the input power cord. Use only the power cords specified
• Page 14 – Front Panel; OVERRANGE LED. Lights if you apply a frequency above
• Page 15 – SEC LED. Lights when the frequency counter is in PERIOD
• Page 16 – Table 1: Effect of Symmetry Buttons on Output; slow for the incoming signal, the OVERRANGE LED lights.; ATTN Button. Selects between two levels of input signals for the
• Page 18 – Rear Panel; Figure 3: Rear Panel Connections; To avoid the risk of fire or damage to theCFG280; GATE INPUT BNC. This connector accepts external gate signals,; amplitude modulation signals. See page 12 for details.; VCF INPUT BNC. This connector accepts external sweep
• Page 19 – Reference; TTL Signals; To generate a TTL signal, follow these steps:; Connect the SYNC OUT connector on the CFG280 Function; Figure 4: TTL Signal Test Setup
• Page 20 – Change the FREQUENCY range and rotate the FREQUENCY; dial. Observe how the frequency of the TTL signal changes.; Rotate the DC OFFSET knob. Notice that this knob has no effect; effect on TTL signals.; Internal Sweep; To use the internal sweep function, follow these steps:; Connect the MAIN OUT BNC on the CFG280 Function; Figure 5: Internal Sweep Test Setup
• Page 21 – External Sweep; Figure 6: External Sweep Test Setup
• Page 22 – Connect an external voltage signal to the VCF INPUT on the; Amplitude Modulation; To use the amplitude modulation function, follow these steps.; Connect the MAIN OUT connector on the CFG280 Function; Figure 7: Amplitude Modulation Test Setup
• Page 23 – Set the FREQUENCY dial to the desired carrier frequency.; To avoid damage to theCFG280 Function Generator,; Connect an external voltage signal to the EXT AM INPUT on; the external voltage source.; Generator to the oscilloscope input connector (see Figure 8).; Connect the ramp generator output to the VCF INPUT connector
• Page 24 – Connect the MAIN OUTPUT of the CFG253 to a BNC T; desired number of bursts within the selected ramp duration.; Adjust the CFG253 Function Generator output duration to the
• Page 25 – Figure 9: Tone-Burst and Stepped Frequency Typical Waveforms
• Page 27 – Appendix A: Specifications; Table 2: Generator Specifications
• Page 28 – Characteristic
• Page 29 – Table 3: Counter Specifications
• Page 30 – Table 4: General Specifications
• Page 31 – Table 6: Typical Mechanical Specifications
• Page 33 – Appendix B: Maintenance; Cleaning; Use a corrugated cardboard shipping carton having inside; dampness and loose packing material.; Place the instrument into the box and firmly stabilize it with
• Page 34 – Troubleshooting; NOTE; Digital Display Blank
• Page 35 – Inappropriate Counter Reading
• Page 36 – No Function Generator Output
• Page 37 – Inappropriate Function Generator Output
• Page 39 – Appendix C: Replaceable Parts; Standard Accessories; Optional Accessories; The following items are available as optional accessories:
• Page 40 – Table 9: Accessory Power Cords