Loto OSCxxx series| Status |
planned |
|---|
| Channels |
2 analog (all models) + trigger |
|---|
| Samplerate |
50-200 MSa/s (by channel in dual channel) |
|---|
| Samplerate (eq. time) |
0.2-1 GSa/s (dual channel combined or single channel) |
|---|
| Analog bandwidth |
20-50 MHz (depending on model) |
|---|
| Vertical resolution |
8bits |
|---|
| Triggers |
edge, pulse width, slope, video, alternate |
|---|
| Input impedance |
1MΩ‖25pF±5pF |
|---|
| Memory |
64Kpts (by channel, 128K total) |
|---|
| Connectivity |
USB host and device |
|---|
| Features |
math: + / — / x / FFT / Digital decoder |
|---|
| Website |
rockemb.com |
|---|
The Loto OSCxxx series are compact and portable digital storage oscilloscopes, produced by Rocktech.
Devices
| Model |
Bandwidth (MHz) |
Sample Rate (MS/s by ch) |
USB VID/PID |
Notes
|
| Loto OSCH02 |
100 |
250 |
0x8312:0x8a2a |
Rel. 2020 (250MSa just CH-A)
|
| Loto OSC2002 |
50 |
200 |
0x8312:0x8801 |
2018-2019 edition
|
| Loto OSCA02 |
35 |
100 |
0x8312:0x8a02 |
|
| Loto OSC802 |
25 |
80 |
0x8312:0x8312 |
|
| Loto OSC482 |
20 |
50 |
0x8102:0x8102 |
|
| Loto BM102 |
20 |
50 |
0x8102:0x8102 |
out of production
|
| Loto OSCE02 |
50 |
200 |
0x8312:0x8101 |
|
Protocol
OSC802
Commands sent via Control Transfer to EP0. Samples buffer available on Bulk EP. List of commands (provisional):
| Request Type
|
Request
|
Value
|
Index
|
Data
|
Description
|
| 0x80
|
0x33
|
0x00
|
0x00
|
1 byte
|
Start acquisition.
|
| 0x80
|
0x50
|
0x00
|
0x00
|
1 byte
|
Check if acquisition buffer is ready. Write 0x21 in the data byte if ready.
|
| 0x80
|
0x94
|
value
|
0x00
|
1 byte
|
Set sampling rate with value[0-3] and AC/DC for Channel 1 with value[4].
Rate values: 80MSa/s (B0000), 10MSa/s (B1000), 625KSa/s (B1100)
value[4] = 1 -> DC coupling, value[4] = 0 -> AC coupling
|
| 0x80
|
0x22 0x23 0x24
|
value
|
0x00
|
1 byte
|
Set Channel 1 and Channel 2 voltage. Set AC/DC for Channel 2.
|
| 0x80
|
0xE7
|
value
|
0x00
|
1 byte
|
Enable (value=1) or disable (value=0) hardware trigger on Channel 1.
|
| 0x80
|
0xC5
|
value
|
0x00
|
1 byte
|
Set trigger slope up (value=1) or down (value=0).
|
| 0x80
|
0x16
|
value
|
0x00
|
1 byte
|
Set trigger level (value=0-255).
|
Resources