Built-in circuit elementsemg_electrodes
Skin electrodes + sEMG
Two Ag/AgCl gel electrodes (Rs + Rd‖Cd, offset) with synthetic surface EMG (20–450 Hz, chewing/clenching bursts), optional 50 Hz common mode
Key data
- Category
- Sources
- Simulation model
- Built-in circuit element
- Reference prefix
- E
- Pins
- 3
Simulation model
Dedicated model built into the simulator for this part (see the description).
- Primitive
- MODEL
Pins 3
| Pin | Name | Use |
|---|---|---|
| E+ | E+Analog pin | Measurement electrode + (to the amplifier input) |
| E- | E−Analog pin | Measurement electrode − (to the amplifier input) |
| REF | REFPassive pin | Reference electrode (to the bias / right-leg drive) |
Parameters 18
Signal
modeDefaultbursts
burstscontinuoussineoff
Amplitude (RMS, differential)
ampDefault200u V
Burst duration
durDefault1 s
Burst rate
rateDefault6 /min
0 = single burst only
First burst at
firstDefault200m s
Edge
riseDefault50m s
Random seed
seedDefault1
Test sine frequency
fsineDefault100 Hz
Noise floor (RMS)
baselineDefault0 V
Offset difference E+−E−
offsetDefault20m V
Rs (gel + tissue)
RsDefault100 Ω
Rd (skin/gel)
RdDefault51k Ω
Cd (skin/gel)
CdDefault47n F
Impedance mismatch E−
imbalanceDefault0 %
Mains common mode (amplitude)
VcmDefault0 V
Mains frequency
fmainsDefault50 Hz
Body–REF R
RisoDefault1G Ω
Body–REF C
CisoDefault100p F
PCB
No land pattern: the part is not placed on the board.