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Parts used in Siglent 1000 Series Oscilloscopes

September 28th, 2015

The Siglent 1000 series offer one of the best price performance and we have no hesitation to recommend it to any one looking for decent oscilloscopes at reasonable price. It comes is DL, CNL, CML CFL and X Series. The entry Level DL Series has sampling rate of 500 Mega Samples/sec that increases to 1 GSamples/ Second for CNL and CML Series and to 2 GS/sec for CFL Series. The CML Series has higher memory depth of 2 Million points. The X Series is an entirely new design and offer significantly higher memory depth.

Let us take a look at some to the parts used in its design. The parts used are based upon the SDS1202X part which is 200 MHz part with 14M depth. The parts used should apply to all of the SD1000X series. The other series may have similar but slightly different design.

A/D COnverter HAD 1511

Hitttite HADCAD1511 is used for A/D conversion. It gives out 1 Gig Samples /second @ 8 bits.

A_D_Converter-HAD

Memory Hooked to acquisition FPGA

Micron's 64 Mb part MT41J64M16JT-15E:G is attached to the acquisition FPGA.

DDR3-RAM-D9MNJ

1. Processor Analog Devices ADSP-BF526

The Analog Devices Blakfin DSP processor ADSP-BF526 is used, likely for the waveform processing and math function and other similar stuffs. It also connects a USB port and Ethernet port.

ADSP-BF526

2. Memory attached to Processor

Micron 48LC32M16A2 is attached to the Analog Devices processor.

Memory-48LC32M16A2

2. Lattice FPGA LCMX0640C used for Display

A separate Lattice FPGA is used for Display.

Lattice-LCMX0640C

Let us look at the different part numbers and corresponding features

Table : Siglent 1000 Series Oscilloscopes

Part Number Bandwidth Sampling rate Memory Depth
SDS1022DL 20 MHz 500 Mega Samples/sec 24K points
SDS1052DL 50 MHz 500 Mega Samples/sec 24K points
SDS1102DL 100 MHz 500 Mega Samples/sec 24K points
SDS1202DL 200 MHz 500 Mega Samples/sec 24K points
SDS1202CNL 200 MHz 2 Gs/sec ( 1 ch) 18K points
SDS1102CNL 100 MHz 1 Gs/sec 40K points
SDS1072CNL 70 MHz 1 Gs/sec 40K points
SDS1152CML 150 MHz 1Gs/s 2M points
SDS1102CML 200 MHz 1 Gs/sec ( 1 ch) 2M points
SDS1072CML 70 MHz 1 Gs/sec 2M Points
SDS1302CFL 300 MHz 2 Gs/sec 24K points
SDS1202CFL 200 MHz 2 Gs/sec 24K points
SDS1102CFL 100 MHz 2 Gs/sec 24K points
SDS1072CFL 70 MHz 2 Gs/sec 24K points

Besides that it also has 4 Channel variations of SDL000CFL Series

Table : 4 Channel SDL1000CPL Series

Part Number Bandwidth Sampling rate Memory Depth
SDS1304CFL 300 MHz 2 Gs/sec 24K points
SDS1204CFL 200 MHz 2 Gs/sec 24K points
SDS1104CFL 100 MHz 2 Gs/sec 24K points
SDS1074CFL 70 MHz 2 Gs/sec 24K points

The 1000X Series increases the memory depth to 14M. The Suffix S in part numbers add Waveform generation function to these Oscilloscopes ( and yes - an extra $200).

Table : SDS1000X Series

Part Number Bandwidth Sampling rate Memory Depth
SDS1202X-S 200 MHz 1 Gs/sec 2M points
SDS1202X 200 MHz 1 Gs/sec 2M points
SDS1102X-S 100 MHz 1 Gs/sec 2M points
SDS1102X 100 MHz 1 Gs/sec 2M points

The full video of the tear apart is posted by EEVblog - view it here

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