Elmo Computer Hardware 1.1 用户手册
Figure A-1: Main Feedback - Encoder Phase Diagram
A.6.2.2 Digital Halls
Feature Details
Halls inputs
H
A
, H
B
, H
C
.
Single ended inputs
Built in hysteresis of 1V for noise immunity
Built in hysteresis of 1V for noise immunity
Input voltage
Nominal operating range: 0 V < V
In_Hall
< 5 V
Maximum absolute: -1 V < V
In_Hall
< 15 V
High level input voltage: V
InHigh
> 2.5 V
Low level input voltage: V
InLow
< 1 V
Input current
Sink current (when input pulled to the
common): 5 mA
common): 5 mA
Maximum frequency
f
MAX
: 2 kHz
A.6.2.3 Interpolated Analog Encoder (Sine/Cosine)
Feature Details
Analog encoder format
Sine and Cosine signals
Analog input signal level
Offset voltage: 2.2 V – 2.8 V
Differential, 1 V peak to peak
Differential, 1 V peak to peak
Input resistance
Differential 120
Ω
Maximum analog signal frequency
f
MAX
: 250 kHz
Interpolation multipliers
Programmable: x4 to x4096
Maximum “counts” frequency
80 mega-counts/sec “internally”
Automatic errors correction
Signal amplitudes mismatch
Signal phase shift
Signal offsets
Signal phase shift
Signal offsets
Guitar Installation Guide
Guitar Technical Specifications
MAN-GUIIG (Ver. 1.1)
A-8