The Lab Brick LSG Series from Vaunix is a range of USB-compatible signal generators that operate from 20 MHz to 6 GHz. They can be used in Automated Test Equipment (ATE), portable LO source and engineering/production test lab applications. The generators have high output levels and excellent spectral purity. They are powered and controlled via USB and require no additional DC supply voltage. They offer several operating modes, including continuous-wave (CW) and swept-frequency. Each device comes with a USB flash drive containing the GUI software and digital version of the programming guide, along with a 6-ft. USB cable. All Lab Brick LSG signal generators are ROHS compliant and can be used with any PC or laptop computer with USB 2.0 port (or powered USB hub) and Windows 2000, XP, Vista, or Windows 7 operating system. They measures 4.90 x 3.14 x 1.59 in. (124 x 80 x 40 mm) and weigh less than 1 lb. (0.45 kg).