Hantek PSO2020¶
Hantek PSO2020¶
| 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. Wide input rage, from ±100mV to ±50V.
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)
- 1x 8-channel analog multiplexer/demultiplexer (U6): 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
- 1x Photocoupler (U100): Toshiba TPL280 (datasheet)
- 1x 4.5V Relay (used for High Voltage selection - U10): NEC UD2-4.5NU (datasheet)
- 1x ±5V DC/DC Coverter (U13): INOUT A0505S (datasheet)
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 | Tied to VCC. "Data Align Enabled (data from both channels available on rising edge of Clock A. Channel B data is delayed a 1/2 clock cycle).". |
| DFS | Tied to GND. Data format select = "offset binary" (not "twos complement"). |
| REF_IN_A, REF_IN_B | Tied to REF_OUT. |
| AINA, AINB | Analog input channels. |
Cypress FX2 pinout:
| FX2 pins | Description |
|---|---|
| CTL0 | Connected to AD9288 ENCA, to ENCB with an inverter. and to FX2 IFCLK. |
| PB0-PB7 | Connected to AD9288 D7A-D0A. Bit reversed! Must be reversed back in software. |
| PD0-PD7 | Connected to AD9288 D0B-D7B. |
| PA0, PA1, PA5 (Inputs) | Connected to the 3 buttons |
| PC0, PC3, PE?, PE? (Inputs) | Connected to the front selector |
| PC1 | Connected to S1 of the 74HC4051D mux |
| PC2 | Connected to S0 of the 74HC4051D mux |
| PC4 | AC/DC Selector |
| PA7 | Voltage Selection Relay |
| PA6 | Green LED |
| PE1 | Front light |
| PE2 | Red LED |
Photos¶
Hantek Pso2020 0
Hantek Pso2020 Box2
Hantek Pso2020 1
Hantek Pso2020 Box1
Hantek Pso2020 2
Hantek Pso2020 3