| Oscilloscope – vertical |
| Model |
PicoScope 6402C |
PicoScope 6402D |
PicoScope 6403C |
PicoScope 6403D |
PicoScope 6404C |
PicoScope 6404D |
| Input channels |
4 |
Bandwidth*
(-3 dB) |
250 MHz
(200 MHz ±50 mV range) |
350 MHz
(250 MHz ±50 mV range) |
500 MHz
(all ranges) |
| Hardware bandwidth limiter |
Switchable, 20 MHz |
Switchable, 25 MHz |
| Rise time (10%–90%, calculated) |
1.4 ns (50 mV range 1.8 ns) |
1.0 ns (50 mV range 1.4 ns) |
0.7 ns (all ranges) |
| Input type |
Single-ended, BNC connector |
| Resolution |
8 bits |
| Enhanced resolution |
12 bits |
| Input sensitivity |
10 mV/div to 4 V/div at x1 zoom (1 MΩ input)
10 mV/div to 1 V/div at x1 zoom (50 Ω input) |
| Input ranges (full scale) |
±50 mV to ±20V, in 9 ranges (1 MΩ input)
±50 mV to ±5V, in 7 ranges (50 Ω input) |
| Input coupling |
AC, DC or 50 Ω DC, software-selectable |
| Input characteristics |
1 MΩ in parallel with 15 pF (AC or DC coupling) or 50 Ω (DC coupling) |
1 MΩ in parallel with 10 pF (AC or DC coupling) or 50 Ω (DC coupling) |
| DC accuracy |
±3% of full scale |
| Analog offset range (vertical position adjust) |
±50 mV to ±200 mV ranges
±500 mV range
±1 V range
±2 V range
±5 V range
±10 V range
±20 V |
±0.5 V
±2.5 V
±2.5 V
±2.5 V
±20 V (50 Ω ±0.5 V)
±20 V
±20 V |
±2 V
±10 V (50 Ω ±5 V)
±10 V (50 Ω ±4.5 V)
±10 V (50 Ω ±3.5 V)
±35 V (50 Ω ±0.5 V)
±30 V
±20 V |
| Overvoltage protection |
±100 V to ground (1 MΩ inputs), 5.5 V RMS (50 Ω inputs) |
*Quoted bandwidth is with supplied probes or at BNC when 50 Ω impedance selected
| Oscilloscope – horizontal |
Maximum sampling rate (single-shot)
1 channel in use
2 channels in use
3 or 4 ch. in use |
5 GS/s
2.5 GS/s
1.25 GS/s |
| Maximum sampling rate (repetitive signals, ETS mode) |
50 GS/s |
Maximum sampling rate
(continuous streaming mode) |
10 MS/s using PicoScope. >150 MS/s using the supplied SDK (PC-dependent) |
Timebase ranges
Real-time
ETS |
1 ns/div to 5000 s/div
50 ps/div to 100 ns/div |
Buffer memory
(shared between active channels) |
256 MS |
512 MS |
512 MS |
1 GS |
1 GS |
2 GS |
| Streaming buffer memory (PicoScope) |
100 MS |
| Streaming buffer memory (SDK) |
Up to available PC memory |
| Maximum buffer segments (PicoScope) |
10,000 |
| Maximum buffer segments (using SDK) |
250,000 |
500,000 |
500,000 |
1,000,000 |
1,000,000 |
2,000,000 |
| Maximum waveforms per second |
170,000 wfm/s (PC-dependent) |
| Timebase accuracy |
±2 ppm |
| Timebase ageing |
1 ppm per year |
| Dynamic performance (typical) |
| Crosstalk |
17 000:1 typical at 20 MHz
1000:1 typical at full bandwidth |
5600:1 typical at 20 MHz
560:1 typical at full bandwidth |
| Harmonic distortion |
–55 dB typical |
–54 dB typical |
| SFDR |
60 dB typical |
55 dB typical |
| Noise |
200 μV RMS (50 mV range) |
320 μV RMS (50 mV range) |
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