Specification: Use 8 bit Microchip PIC16F876A,up to 1.1GHz Gate time 0.01 seconds 0.1 seconds 1.0 seconds Measuring channels (high and low channels are high impedance) 1)Low channel Measuring range : 0.1MHz ~ 70MHz Measurement accuracy: ± 100Hz (0.01 seconds gate) ± 10Hz (0.1 seconds gate) ± 1Hz (1.0 seconds gate) Sensitivity: 0.1MHz ~ 10MHz: better than 50mVPP 10MHz ~ 60MHz: superior to 50mVPP 60MHz ~ 75MHz: not tested 2)High channel frequency (64 points) Measuring range : 10MHz ~ 1.1GHz Measurement Accuracy : ± 6400Hz (0.01 seconds gate) ± 640Hz (0.1 seconds gate) ± 64Hz (1.0 seconds gate) High channel sensitivity : 10MHz ~ 30MHz: better than 100mVPP 30MHz ~ 60MHz: superior to 50mVPP 60MHz ~ 1.1GHz: not tested Automatic channel is automatically selected based on the frequency of the input signal level of channel Crystal measuring channel Measuring range : 1 MHz ~ 50 MHz (the most low-end and highest end untested) 3) . Frequency reference 5032 package 13.000 MHz Warming voltage controlled crystal oscillator (VC - TCXO) , frequency stability is ± 2.5 ppm IF settings The minimum frequency is adjustable in steps of 100 Hz, frequency range 0 ~ 999.9999 MHz, can be set to plus or minus IF mode Display maximum of 9 digit display physical dimensions Length * width * height: 92mm × 37mm × 27mm Board interface RF INPUT (measuring signal input): XH2.54-2P curved needle square socket ICSP INPUT (MCU interface): XH2.54-6P curved needle square socket ECL INPUT (external clock input): XH2.54-2P curved needle square socket POWER INPUT (Power Interface): with 3.5mm socket (DC is negative) The XH2.54-2P curved needle square socket
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