tender for 70 mhz mixed signal oscilloscope ( 4 analog + 16 digital channel ) - technical specifications: 70mhz 4 analog channel and 16 digital channels oscilloscope, the oscilloscope should support 1gsa/s sampling for analog channel and 1gsa/s / 500msa/s for digital channels , memory depth should be more than 20 mpts, vertical rage 1mv/div -10v / div, horizontal range 5ns/div to 50 s/div, it should have built in two channel 25mhz source with 14 bit vertical resolution and 200msa/s sample rate , it should also have at least 26 nos automatic measurements and 6 bits hardware counter, advance serial bus trigger and decoding functions including rs232/uart, i2c and spi, multi triggering facility, math functions like a+b, a-b, ab, a/b, fft, a&&b, ab, ab, a, intg, diff, sqrt, lg, ln, exp, abs.7 inches wvga tft display, computer interface usb host and device and lan.