CXA3050M Просмотр технического описания (PDF) - Sony Semiconductor

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производитель

CXA3050M

NICAM and SMATV RF MODULATOR/PLL

Sony Semiconductor 

CXA3050M

Software Application Notes

The minimum requirement to drive the CXA3050 and I2C bus drive is a 386/486 with 4M bytes hard disk

space, 16MHz clock speed and running DOS5.00 or above. Insert the disc into the drive and type TESTS and

at the prompt type iic. At this there should appear a single list of user friendly functional tests that can be

changed by keyboard manipulation. As an aid the test list is written below. Note Page up increments the

status, page down decrements the status.

Function

RF Output Power

Delta Sound

Fsound

Frequency mode

Mod depth

FM Deviation

P/S Ratio

Nicam on/off

Over Mod on/off

Nominal Status

Comments

1/0

Turns RF Amp, OSC on/off

1

Fine tune audio carrier

Course adjust for

4.5MHz (0)

0

5.5MHz (1)

6.0MHz (2)

6.5MHz (3)

2 to 8191

Check listing on page 10 for

frequency to hex conversation

4

Ranges mod depth from

72% to 86%, 80% (4)

4

Sensitivity adjustable

4

Programmable in 8 steps of 1dB

1/0

Nicam Mixer on

1/0

Increase Video modulation ratio

–5–

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