Using Standard Setups/Presets (Digital Demod)
The following table lists the standard presets supported by the VSA. Click on a link to view the default parameter settings for that standard:
Available "Preset to Standard" Formats | |||
---|---|---|---|
Cellular |
Wireless Networking |
Digital Video |
Other |
J.83A/DVB-C (EUR) | |||
J.83B/DOCSIS (NA) | APCO- 25 P2 (HCPM) | ||
J.83C/ISDB-C (JPN) | APC-25 P2 (HDQPSK) | ||
DVB-S2 16APSK | DECT | ||
DVB-S2 32APSK | TETRA | ||
ATSC | VDL Mode 3 | ||
ATSC-M/H | MIL-STD 188-181C:CPM(Opt 21) | ||
SOQPSK-TG (IRIG 106-04) | |||
|
SOQPSK-A | ||
SOQPSK-B |
In the following tables, to convert symbols to seconds, divide by the symbol rate.
Preset-To-Standard Format | |||
---|---|---|---|
Parameter |
PHP Personal Handy Phone: The mobile hand-set used with the Japanese Personal Handy Phone system. (PHS 1) Personal Handy Phone System, or 2) payload header suppression: The process of suppressing the repetitive portion of payload headers at the sender and restoring the headers at the receiver.) |
||
Demod Format |
pi/4 DQPSK |
pi/4 DQPSK |
|
Frequency Span |
75 kHz kiloHertz: A radio frequency measurement (one kilohertz = one thousand cycles per second). |
75 kHz |
625 kHz |
Symbol Rate |
24.3 kHz |
21 kHz |
192 kHz |
Filtering |
|
|
|
- Measured |
root cosine |
root cosine |
root cosine |
- Reference |
cosine |
cosine |
cosine |
Alpha / BT Bandwidth Time Product |
0.35 |
0.5 |
0.5 |
Points / Symbol |
5 |
5 |
5 |
Result Length |
157 symbols |
135 symbols |
111 symbols |
Search Length |
1175 symbols |
1000 symbols |
1100 symbols |
Pulse Search |
Selected |
Selected |
Selected |
Constellation Sync Search |
Cleared |
Cleared |
Cleared |
Normalize IQ Traces |
Selected |
Selected |
Selected |
Clock Adjust |
0.0 |
0.0 |
0.0 |
Back to Preset to Standard Table.
Preset-To-Standard Format | |||
---|---|---|---|
Parameter |
CDPD |
||
Demod Format |
MSK Minimum Shift Keying Type 1 |
MSK Type 2 |
|
Frequency Span |
1.0 MHz Megahertz: A unit of frequency equal to one million hertz or cycles per second. |
75 kHz |
5 MHz |
Symbol Rate |
270.83 kHz |
19.2 kHz |
1.152 MHz |
Filtering |
|
|
|
- Measured |
Cleared |
Cleared |
Cleared |
- Reference |
Gaussian |
Gaussian |
Gaussian |
Alpha / BT |
0.3 |
0.5 |
0.5 |
Points / Symbol |
5 |
5 |
4 |
Result Length |
148 symbols |
378 symbols |
480 symbols |
Search Length |
1434 symbols |
400 symbols |
11,200 symbols |
Pulse Search |
Selected |
Cleared |
Selected |
Constellation Sync Search |
Cleared |
Cleared |
Cleared |
Normalize IQ Traces |
Selected |
Selected |
Selected |
Clock Adjust |
0.0 |
0.0 |
0.0 |
Back to Preset to Standard Table.
Preset-To-Standard Format | |||
---|---|---|---|
Parameter |
CDMA MOBILE |
W-CDMA |
|
Demod Format |
QPSK |
||
Frequency Span |
2.6 MHz |
2.6 MHz |
5 MHz |
Symbol Rate |
1.2288 MHz |
1.2288 MHz |
3.84 MHz |
Filtering |
|
|
|
- Measured |
IS-95 base |
Cleared |
Root Cosine |
|
base EQ |
|
|
- Reference |
IS-95 |
IS-95 |
Cosine |
|
baseband |
baseband |
|
Alpha / BT |
--- |
--- |
0.22 |
Points / Symbol |
4 |
4 |
5 |
Result Length |
200 symbols |
200 symbols |
200 symbols |
Search Length |
--- |
--- |
2560 Syms |
Pulse Search |
Cleared |
Cleared |
Cleared |
Constellation Sync Search |
Cleared |
Cleared |
Cleared |
Normalize IQ Traces |
Selected |
Selected |
Selected |
Clock Adjust |
0.0 |
0.0 |
0.0 |
Bit Definitions |
defined by IS-95 |
defined by IS-95 |
--- |
Back to Preset to Standard Table.
Other Preset-To-Standard Formats | |||
---|---|---|---|
Parameter |
APCO 25 |
APCO 25 P2 (HCPM) |
APCO 25 P2 (HDQPSK) |
Demod Format |
4 FSK |
CPM Continuous Phase Modulation (FM Frequency Modulation) | 4 FSK |
Frequency Span |
40 kHz |
25 kHz | 25 kHz |
Symbol Rate |
4.8 kHz |
6 kHz | 6 kHz |
Filtering |
|
||
- Measured |
rect |
None | rect |
- Reference |
raised cosine |
4RC | rect |
Alpha / BT |
0.2 |
0.75 | 1 |
Points / Symbol |
5 |
5 | 5 |
Result Length |
200 symbols |
168 symbols | 180 symbols |
Search Length |
400 symbols |
380 symbols | 380 symbols |
Pulse Search |
Cleared |
Selected | Cleared |
Constellation Sync Search |
Cleared |
Cleared | Cleared |
Normalize IQ Traces |
Selected |
Selected | Selected |
Clock Adjust |
0.0 |
0.0 | 0.0 |
CPM Auto {h1,h2} | --- |
Cleared, {1/3}[APCO-25 P2] |
--- |
Back to Preset to Standard Table.
Digital Video J.83A/DVB-C (EUR) | |||||||
---|---|---|---|---|---|---|---|
Parameter |
DVB 16 |
DVB 32 |
DVB 64 |
DVB 128 |
DVB 256 |
EU-DOCSIS 64QAM |
EU-DOCSIS 256QAM |
Demod Format |
32 DVB QAM |
64 DVB QAM |
128DVB QAM |
256 DVB QAM |
QAM 64 | QAM 256 | |
Frequency Span |
8 MHz |
8 MHz |
8 MHz |
8 MHz |
8 MHz |
8 MHz | 8 MHz |
Symbol Rate |
6.9 MHz |
6.9 MHz |
6.9 MHz |
6.9 MHz |
6.9 MHz |
6.952 MHz | 6.952 MHz |
Filtering |
|
|
|
|
|
||
- Measured |
root raised cosine | root raised cosine | root raised cosine | root raised cosine |
root raised cosine |
root raised cosine | root raised cosine |
- Reference |
raised cosine |
raised cosine |
raised cosine |
raised cosine |
raised cosine |
raised cosine | raised cosine |
Alpha / BT |
0.15 |
0.15 |
0.15 |
0.15 |
0.15 |
0.15 | 0.15 |
Points / Symbol |
2 |
2 |
2 |
2 |
2 |
2 | 2 |
Result Length |
800 |
800 |
800 |
800 |
800 |
800 | 800 |
Search Length |
--- |
--- |
--- |
--- |
--- |
--- | --- |
Pulse Search |
Cleared |
Cleared |
Cleared |
Cleared |
Cleared |
Cleared |
Cleared |
Constellation Sync Search |
Cleared |
Cleared |
Cleared |
Cleared |
Cleared |
Cleared |
Cleared |
Normalize IQ Traces |
Selected |
Selected |
Cleared |
Cleared |
Selected |
Selected |
Selected |
Clock Adjust |
0.0 |
0.0 |
0.0 |
0.0 |
0.0 |
0.0 |
0.0 |
Back to Preset to Standard Table.
Digital Video DVB-S2 Preset-To-Standard Formats | ||
---|---|---|
Parameter |
16APSK |
32APSK |
Demod Format |
16 APSK |
32 APSK |
Frequency Span |
50 MHz |
50 MHz |
Symbol Rate |
25 MHz |
25 MHz |
Filtering |
|
|
- Measured |
root raised cosine |
root raised cosine |
- Reference |
raised cosine |
raised cosine |
Alpha / BT |
.35 |
.35 |
Points / Symbol |
5 |
5 |
Result Length |
180 symbols |
180 symbols |
Search Length |
1175 symbols |
1175 symbols |
Pulse Search |
Cleared |
Cleared |
Constellation Sync Search |
Cleared |
Cleared |
Normalize IQ Traces |
Selected |
Selected |
Clock Adjust |
0.0 |
0.0 |
Ring Ratio |
See chart below |
See chart below |
Back to Preset to Standard Table.
DVB APSK Ring Ratios | |||
---|---|---|---|
16 APSK |
32 APSK |
||
Code Rate |
R2 / R1 |
R2 / R1 |
R3 / R1 |
Code Rate 2/3 |
3.15 |
-- |
-- |
Code Rate 3/4 |
2.85 |
2.84 |
5.27 |
Code Rate 4/5 |
2.75 |
2.72 |
4.87 |
Code Rate 5/6 |
2.7 |
2.64 |
4.64 |
Code Rate 8/9 |
2.6 |
2.54 |
4.33 |
Code Rate 9/10 |
2.57 |
2.53 |
4.30 |
Back to Preset to Standard Table.
Digital Video J.83B/DOCSIS (NA) | ||
---|---|---|
Parameter |
64QAM |
256QAM |
Demod Format |
64QAM | 256QAM |
Frequency Span |
8 MHz | 8 MHz |
Symbol Rate |
5.056941 MHz | 5.360537 MHz |
Filtering |
||
- Measured |
root raised cosine | root raised cosine |
- Reference |
raised cosine | raised cosine |
Alpha / BT |
0.18 | 0.12 |
Points / Symbol |
2 | 2 |
Result Length |
800 symbols | 800 symbols |
Search Length |
--- | --- |
Pulse Search |
Cleared | Cleared |
Constellation Sync Search |
Cleared | Cleared |
Normalize IQ Traces |
Selected | Selected |
Clock Adjust |
0.0 | 0.0 |
Back to Preset to Standard Table.
Digital Video J.83C/ISDB-C (JPN) | |
---|---|
Parameter |
64QAM |
Demod Format |
DVB QAM 64 |
Frequency Span |
8 MHz |
Symbol Rate |
5.274 MHz |
Filtering |
|
- Measured |
root raised cosine |
- Reference |
raised cosine |
Alpha / BT |
0.13 |
Points / Symbol |
2 |
Result Length |
800 symbols |
Search Length |
--- |
Pulse Search |
Cleared |
Constellation Sync Search |
Cleared |
Normalize IQ Traces |
Selected |
Clock Adjust |
0.0 |
Back to Preset to Standard Table.
Digital Video ATSC and ATSC-M/H Preset-To-Standard Formats | ||
---|---|---|
Parameter |
DTV 8 |
DTV 16 |
Demod Format |
VSB 8 |
VSB 16 |
Frequency Span |
7 MHz |
7 MHz |
Symbol Rate |
10.762 MHz |
10.762 MHz |
Filtering |
|
|
- Measured |
root cosine |
root cosine |
- Reference |
cosine |
cosine |
Alpha / BT |
0.1152 |
0.1152 |
Points / Symbol |
2 |
2 |
Result Length |
800 |
800 |
Search Length |
--- |
--- |
Pulse Search |
Cleared |
Cleared |
Constellation Sync Search |
Cleared |
Cleared |
Normalize IQ Traces |
Selected |
Selected |
Clock Adjust |
0.0 |
0.0 |
Back to Preset to Standard Table.
Preset-To-Standard Format | |||
---|---|---|---|
Parameter |
Bluetooth |
||
Demod Format |
EDGE (3p/8 8PSK) |
FSK 2 |
QPSK |
Frequency Span |
625 kHz |
2.5 MHz |
36 MHz‡ |
Symbol Rate |
270.83 kHz |
1 MHz |
11 MHz |
Filtering |
|
|
|
- Measured |
Cleared |
Cleared |
|
- Reference |
EDGE |
Gaussian |
Gaussian |
Alpha / BT |
0.25 |
0.5 |
0.5 |
Points / Symbol |
1 |
2 |
4 |
Result Length |
142 symbols |
320 symbols |
1000 Syms |
Search Length |
1434 Syms |
1650 Syms |
1434 Syms |
Pulse Search |
Selected |
Cleared |
Cleared |
Constellation Sync Search |
Cleared |
Cleared |
Cleared |
Normalize IQ Traces |
Selected |
Selected |
Selected |
Clock Adjust |
0.0 |
0.0 |
0.0 |
Equalization |
Cleared |
¾ |
¾ |
‡ If the acquisition hardware does not support the default frequency span, then the span will be set to the closest span that the acquisition hardware can support.
Back to Preset to Standard Table.
Preset-To-Standard Format | |||
---|---|---|---|
Parameter |
HIPERLAN/1 (LBR) |
HIPERLAN/1 (HBR) |
TETRA Trans-European Trunked Radio. A communications system standard. |
Demod Format |
FSK 2 |
MSK Type 1 |
pi/4 DQPSK |
Frequency Span |
18.7 MHz |
36 MHz |
40 kHz |
Symbol Rate |
1.4705875 MHz |
23.5294 MHz |
18 kHz |
Filtering |
|
|
|
- Measured |
Cleared |
Cleared |
root cosine |
- Reference |
Rect |
Gaussian |
cosine |
Alpha / BT |
-- |
0.3 |
0.35 |
Points / Symbol |
20 |
5 |
4 |
Result Length |
1000 symbols |
1000 symbols |
231 symbols |
Search Length |
1434 Syms |
1434 Syms |
1300 symbols |
Pulse Search |
Cleared |
Cleared |
Selected |
Constellation Sync Search |
Cleared |
Cleared |
Cleared |
Normalize IQ Traces |
Selected |
Selected |
Selected |
Clock Adjust |
0.0 |
0.0 |
0.0 |
Equalization |
-- |
-- |
- |
Back to Preset to Standard Table.
Preset-To-Standard Format | |
---|---|
Parameter |
VDL Mode 3 |
Demod Format |
D8PSK |
Frequency Span |
25 kHz |
Symbol Rate |
10.5 kHz |
Filtering |
|
- Measured |
Cleared |
- Reference |
raised cosine |
Alpha / BT |
0.6 |
Points / Symbol |
5 |
Result Length |
315 symbols |
Search Length |
120 msec |
Pulse Search |
Selected |
Constellation Sync Search |
Cleared |
Normalize IQ Traces |
Selected |
Clock Adjust |
0.0 |
Back to Preset to Standard Table.
Wi-SUN Preset-To-Standard Format | |||||||
---|---|---|---|---|---|---|---|
Parameter |
2-FSK 50/1 |
2-FSK 100/1 |
2-FSK 100/0.5 |
2-FSK 150/0.5 |
2-FSK 200/1 |
2-FSK 200/0.5 |
2-FSK 300/0.5 |
Demod Format |
2-FSK |
2-FSK |
2-FSK |
2-FSK |
2-FSK |
2-FSK |
2-FSK |
Frequency Span |
200 kHz |
400 kHz |
400 kHz |
600 kHz |
800 kHz |
800 kHz | 1.2 MHz |
Symbol Rate |
50 kHz |
100 kHz |
100 kHz |
150 kHz |
200 kHz |
200 kHz | 300 kHz |
FSK Deviation Reference (Manual) |
25 kHz |
50 kHz |
25 kHz |
37.5 kHz |
100 kHz |
50 kHz | 75 kHz |
Filtering |
|
|
|
|
|
||
- Measured |
None |
None |
None |
None |
None |
None |
None |
- Reference |
Gaussian |
Gaussian |
Gaussian |
Gaussian |
Gaussian |
Gaussian |
Gaussian |
Alpha / BT |
0.5 |
0.5 |
0.5 |
0.5 |
0.5 |
0.5 | 0.5 |
Points / Symbol |
20 |
20 |
20 |
20 |
20 |
20 | 20 |
Result Length |
2560 |
2560 |
2560 |
2560 |
2560 |
2560 | 2560 |
Search Length |
--- |
--- |
--- |
--- |
--- |
--- | --- |
Pulse Search |
Cleared |
Cleared |
Cleared |
Cleared |
Cleared |
Cleared |
Cleared |
Constellation Sync Search |
Cleared |
Cleared |
Cleared |
Cleared |
Cleared |
Cleared |
Cleared |
Normalize IQ Traces |
Selected |
Selected |
Cleared |
Cleared |
Selected |
Selected |
Selected |
Clock Adjust |
0.0 |
0.0 |
0.0 |
0.0 |
0.0 |
0.0 |
0.0 |
Back to Preset to Standard Table.
Preset-To-Standard Format | |||
---|---|---|---|
Parameter |
ZigBee 868 MHz |
ZigBee 915 MHz |
ZigBee 2450 MHz |
Demod Format |
BPSK |
O-QPSK |
|
Frequency Span |
1 MHz |
2 MHz |
10 MHz |
Symbol Rate |
300 kHz |
600 kHz |
1 MHz |
Filtering |
|
|
|
- Measured |
Cleared |
Cleared |
Cleared |
- Reference |
raised cosine |
raised cosine |
Half Sine |
Alpha / BT |
1 |
1 |
--- |
Points / Symbol |
4 |
4 |
10 |
Result Length |
1000 symbols |
1000 symbols |
1001 symbols |
Search Length |
10 ms |
5 ms |
3 ms |
Pulse Search |
Selected |
Selected |
Selected |
Constellation Sync Search |
Cleared |
Cleared |
Cleared |
Normalize IQ Traces |
Selected |
Selected |
Selected |
Clock Adjust |
0.0 |
0.0 |
0.0 |
Back to Preset to Standard Table.
Preset-To-Standard Format | ||||
---|---|---|---|---|
Parameter |
||||
Demod Format |
CPM (FM) | Shaped OQPSK | Shaped OQPSK | Shaped OQPSK |
Frequency Span |
25 kHz | 12.8 MHz | 12.8 MHz | 12.8 MHz |
Symbol Rate |
4.8 kHz | 5 MHz | 5 MHz | 5 MHz |
Filtering |
||||
- Measured |
None | None | None | None |
- Reference |
1REC | SOQPSK-TG (IRIG 106-04) | SOQPSK-A | SOQPSK-B |
Alpha / BT |
0.35 | 0.35 | 0.35 | 0.35 |
Points / Symbol |
5 | 10 | 10 | 10 |
Result Length |
500 symbols | 1000 symbols | 1000 symbols | 1000 symbols |
Search Length |
800 symbols | -- | -- | -- |
Pulse Search |
Cleared | Cleared | Cleared | Cleared |
Constellation Sync Search |
Cleared | Cleared | Cleared | Cleared |
Normalize IQ Traces |
Selected | Selected | Selected | Selected |
Clock Adjust |
0.0 | -- | -- | -- |
CPM Auto {h1,h2} |
Selected, {5/16,6/16} |
-- | -- | -- |
OQPSK Align I and Q | -- | Cleared | Cleared | Cleared |
See Also
Format tab (Digital Demod Properties)
Selecting Digital Demodulation