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3 default values demodulator – Comtech EF Data DD2401 VME User Manual

Page 63

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DD2401 VME L-Band Demodulator Card Installation & Operational Manual

User Interfaces

MN-VME2401 – Rev. B

4-39

Opcode: <2C07h>

Command soft reset the modem to the power-up state (no parameters).

Opcode: <2C08h>

Commend Eb/No Threshold

<1>

Eb/No
Threshold

Unsigned Binary Value, 0-99, Implied Decimal Point
0.0 through 9.9 dB


Opcode: <2C30h>

Command Module Set Default Configuration (No Parameters)

4.4.12.3

Default Values Demodulator

Opcode: <2A00h> Command a Demodulator’s Configuration

<4>





<4>

<1>

<4>


<1>


<1>

<1>


<1>


<1>

<1>

<1>

<1>

<1>


<1>


<1>


<1>


<1>

<4>


Frequency





Data Rate

Sweep Boundary

External
Reference

Ext Reference
Source


Input Level Limit

Demodulation
Type

Convolutional
Decoder


Reed-Solomon

Reed-Solomon N

Reed-Solomon K

Reed-Solomon T

RS Interleaver
Depth

Differential
Decoder

Descrambler
Control

Descrambler
Type


Spectrum

Buffer Size

70,000,000 Hz
140,000,000 Hz (**)
950,000,000 Hz
(Hardware dependant)
**Legacy 100-180 MHz only

2,048,000 BPS

25 kHz

10,000,000 Hz


0 = Internal


-90 dBm

0 = QPSK


1 = Viterbi ½ Rate


0 = Disable

126

112

7

4


1 = On


1 = Enable


2 = V35_IESS

<04> <2C> <1D> <80>
<08> <58> <3B> <00>

<38> <9F> <80>


<00> <1F> <40> <00>

<19>

<00> <98> <96> <80>


<00>



<5A>

<00>


<01>


<00>

<7E>

<70>

<07>

<04>


<01>


<01>


<02>



<00>

<00> <01>