General Information
The American Standard Code for Information Interchange (ASCII) is a set of
binary values to represent printable characters in electronic
communication.
In a
later version of the standard the character-length was extended to 8 bit.
Usage:
§ Processing, transfer and storage of textual information.
Mode Details
|
|
Item |
Value |
|
Standard |
Modulation |
FSK |
|
|
Number of tones |
2 |
|
|
Shift (Hz) |
492 |
|
|
Bandwidth (Hz) |
700 |
|
|
Symbol rate (Bd) |
150 |
|
|
Character |
1 Start-, 8 Data-, 2 Stop-Bit |
|
Demodulator Settings |
Demodulator |
FSK 2 matched |
|
|
Symbol rate (Bd) |
180 |
|
|
SR tolerance (Bd) |
90 |
|
|
Shift (Hz) |
500 |
|
|
Shift tolerance (Hz) |
10 |
|
|
Modem type |
Synchronous |
|
Features |
Demodulation |
yes |
|
|
Recognition |
yes |
|
|
Decoding |
yes |
|
|
Automatic Polarity Adjustment |
no |
|
|
Combination with other modems (modem list) |
yes |
|
Tuning |
The tuning frequency is the center of the signal | |
Table 40: ASCII 8 Bit
Figure 15: ASCII 8 Bit Spectrogram