SIGLENT STB3 User manual

User Manual
STB3 Demo Board
2018 SIGLENT Technologies

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II STB3 User Manual

Index
Features ............................................................................................................... 1
Common Waveforms......................................................................................................1
Sine Wave...............................................................................................................1
Square Wave...........................................................................................................2
AM Signal ...............................................................................................................4
Fast Edge Square Wave ...........................................................................................4
Burst Signal.............................................................................................................6
Special Signals ................................................................................................................7
PWM ......................................................................................................................7
BURST.....................................................................................................................7
GLITCH....................................................................................................................9
SLOPE ...................................................................................................................10
RUNT ....................................................................................................................11
Pseudo-Noise Sequence ........................................................................................13
Noisy PWM ...........................................................................................................13
Signal for Demonstrating SPO ................................................................................14
Serial Protocol..............................................................................................................15
I2C........................................................................................................................15
SPI ........................................................................................................................16
UART .................................................................................................................... 17
LIN........................................................................................................................ 17
CAN ......................................................................................................................18
PASS/FAIL Demonstration.............................................................................................19
MSO Demonstration.....................................................................................................19
Quick Start.......................................................................................................... 20
Connection Example ..................................................................................................... 20
3STB3 User Manual

Features
The STB3 is a multi-signal generator board which was designed to aid in
demonstrating SIGLENT oscilloscopes advanced features. Functions and
operations such as advanced triggering, serial decoding, digital-phosphor
display, and more can be demonstrated.
Common Waveforms
Sine Wave
1. Sine Wave #1
Frequency: 25 MHz

Amplitude: Approximately 1.3 Vpp

Output from jumper
2. Sine Wave #2
Frequency: 1.25 MH

Amplitude: Approximately 750 mVpp

Output from BNC connector
Figure 1 Sine Wave #1
1STB3 User Manual

Figure 2 Sine Wave #2
Square Wave
1. Square Wave #1
Frequency: 1 kHz

Amplitude: Approximately 3 Vpp

DC offset: 3.3 V
2. Square Wave #2
Frequency: 100 kHz

Amplitude: Approximately 3.3 Vpp

DC offset: 1.7 V
3. Square Wave #3
Frequency: 10 MHz

Amplitude: Approximately 3.3 Vpp

DC offset: 1.7 V
Attention
Use ground spring when probing square wave #3 to get the optimum signal fidelity
as shown below.
2STB3 User Manual

Figure 3 Square Wave #1
Figure 4 Square Wave #2
Figure 5 Square Wave #3
3STB3 User Manual

AM Signal
Modulation Signal Frequency: 2.5 MHz

Carrier Frequency: 25 MHz

Adjustable modulation depth
Figure 6 Square Wave #3
Fast Edge Square Wave
Frequency: 1 MHz, 10 Hz, manually triggered

LVPECL output (Low Voltage Positive Emitter Coupled Logic)
Figure 7 Fast Edge Square Wave - Using Ground Lead
4STB3 User Manual

Figure 8 Fast Edge Square Wave - Using Ground Lead
Figure 9 Fast Edge Square Wave –Using Ground Spring
Figure 10 Fast Edge Square Wave –Using Ground Spring
STB3 User Manual

Burst Signal
Pulse Width: 500 ns

NO. of Pulses: 1, 10, 100

Manually Triggered
Figure 11 Burst Signal –1 Pulse
Figure 12 Burst Signal - 10 Pulses
6STB3 User Manual

Figure 13 Burst Signal - 100 Pulses
Special Signals
PWM
Carrier Frequency: 24.4 kHz

Duty Cycle Variation: 25% to 50%
Figure 14 PWM
BURST
Period: Approximately 65 ms

Pulse Width: 500 ns

Interval between Pluses: 500ns
7STB3 User Manual