Dual-Channel Picoam-meter/Voltage Source, IEEE-488 and RS-232 interfaces. Dual-channel, 6½-digit measurement capability Dual +/-30 V bias sources Measures currents up to 20 mA Measures currents with 1fA Resolution 0-10 V analog output for high resolution measurement feedback Supports assembly process, final testing, parts binning, and specification 3000-point buffer memory on each channel allows data transfer after test completion Trigger Link for binning and sweep test operations IEEE-488 and RS-232 interfaces