GW Instek GDS-3000 Series User Manual - Manual (Page 199)

APPENDIX
199
UART (optional):
Trigger on Tx Start Bit, Rx Start Bit, Tx End of
Packet, Rx End of Packet, Tx Data, Rx Data, Tx
Parity Error, and Rx Parity Error.
Holdoff range 10nS to 10S
Coupling AC, DC, LF rej., Hf rej., Noise rej.
Sensitivity GDS-31XX ~ GDS-33XX:
DC ~ 50MHz Approx. 1div or 10mV
50MHz ~ 150MHz Approx. 1.5div or 15mV
150MHz ~ 350MHz Approx. 2div or 20mV
GDS-350X:
DC ~ 50MHz Approx. 1div or 1.0mV
50MHz ~ 150MHz Approx. 1.5div or 15mV
150MHz ~ 350MHz Approx. 2div or 20mV
350MHz ~ 500MHz Approx. 2.5div or 25mV
External
Trigger Range ±15V
Sensitivity GDS-31XX ~ GDS-33XX:
DC ~ 150MHz Approx. 100mV
150MHz ~ 250MHz Approx. 150mV
250MHz ~ 350MHz Approx. 150mV
350MHz ~ 500MHz Approx. 200mV
Input
Impedance 1MΩ ±3%, ~16pF
Horizontal Timebase
Range GDS-31XX, GDS-32XX, GDS-33XX:
1ns/div ~ 100s/div (1-2-5 increments); ROLL :
100ms/div ~ 100s/div
GDS-350X:
1ns/div ~ 100s/div (1-2.5-5 increments); ROLL :
100ms/div ~ 100s/div
Pre-trigger 10 div maximum
Post-trigger 1000 div maximum. The number of divisions
depends on the time division.
Timebase
Accuracy ±20 ppm over any ≧1 ms time interval
X-Y Mode X-Axis Input Channel 1; Channel 3
Y-Axis Input Channel 2; Channel 4
Phase Shift ±3° at 100kHz
Signal
Acquisition Real Time
Sample Rate 150/250/300MHz models: 5GSa/s (MAX)
150/250MHz models with 2CH: 2.5GSa/s
500MHz models: 4GSa/s (MAX), 2GSa/s per
channel
ET Sample
Rate 100GSa/s maximum for all models
Record Length 25k points / channel