Difference between revisions of "Hantek PSO2020"
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== Protocol == | == Protocol == | ||
== Firmware == | == Firmware == |
Revision as of 13:49, 23 December 2017
File:Hantek PSO2020 mugshot.png | |
Status | |
---|---|
Source code | [1] |
Channels | 1 |
Samplerate | 96MHz |
Analog bandwidth | 20MHz |
Vertical resolution | 8bit |
Triggers | none (SW-only) |
Input impedance | 1MΩ‖25pF |
Memory | none |
Display | none |
Connectivity | USB |
Website | hantek.com |
The Hantek PSO2020 is a USB-based, 1-channel oscilloscope with an analog bandwidth of 20MS/s and 96MS/s sampling rate.
See Hantek PSO2020/Info for more details (such as lsusb -v output) about the device.
Hardware
- USB: Cypress CY7C68013A-100AXC (FX2LP) (datasheet)
- 256-byte I²C EEPROM: Microchip 24LC02BI (datasheet)
- ?? 2x 8-channel analog multiplexer/demultiplexer: NXP 74HC4051D (datasheet)
- 1A low-dropout voltage regulator (3.3V): Advanced Monolithic Systems AMS1117-3.3 (datasheet)
- ?? 2W, fixed input, isolated & unregulated dual/single output DC/DC converter: Mornsun A_S-2WR2 (A0505S-2WR2) (datasheet)
- 8-bit, 40/80/100MHz, dual ADC: Analog Devices AD9288 (datasheet)
- ?? 4x 145 MHz FastFET Op Amp: Analog Devices AD8065 (datasheet)
- Crystal: 24MHz
Microchip 24LC02BI pinout:
(Low, but not GND) A0 | 1- | O | -8 | VCC |
(GND) A1 | 2- | -7 | WP (GND) | |
(GND) A2 | 3- | -6 | SCL (FX2 SCL) | |
VSS | 4- | -5 | SDA (FX2 SDA) |
Analog Devices ADS9288 pinout:
AD9288 pins | Description |
---|---|
S1, S2 | S1=VCC, S2=GND. "Normal operation, data align disabled". |
DFS | Tied to GND. Data format select = "offset binary" (not "twos complement"). |
AINA, AINB | Analog input channels. |
Cypress FX2 pinout (TODO):
FX2 pins | Description |
---|---|
CTL2 | Connected to AD9288 ENCA and ENCB and FX2 IFCLK. |
PB0-PB7 | Connected to AD9288 D0A-D7A. |
PD0-PD7 | Connected to AD9288 D0B-D7B. |
PA7 | High Voltage Rele' |
PC6 | Green LED.
|
Photos
Protocol
Firmware
Note: The firmware is not flashed into the device permanently! It will be automatically "uploaded" to the Cypress FX2's SRAM every time you attach the device to a USB port.