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參數(shù)資料
| 型號(hào)： | SAA7384 |
| 廠商： | NXP Semiconductors N.V. |
| 英文描述： | Terrestrial digital sound decoder for conventional intercarrier PLL-IF systems |
| 中文描述： | 地面數(shù)字音頻解碼器為傳統(tǒng)載波鎖相環(huán)中頻系統(tǒng) |
| 文件頁(yè)數(shù)： | 11/40頁(yè) |
| 文件大?。?/td> | 182K |
| 代理商： | SAA7384 |
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1996 Oct 24
11
Philips Semiconductors
Preliminary specification
Terrestrial digital sound decoder for
conventional intercarrier PLL-IF systems
SAA7284
Fig.4 Flow diagram showing SAA7284 automatic muting function.
(1) Indicating that a mute may occur when user returns to NICAM source.
handbook, full pagewidth
MGB465
DUAL MONO MODE
LEFT = RIGHT = M1
SELECTED
SOUND APPLICATION
DUAL MONO
ERROR_COUNT
ERROR_MAX
EXT or FM INPUT
SWITCHED IN
C4ov BIT = 0
Output is
unchanged
AM bit = LOW
MUTEB pin = HIGH
Output is
unchanged
AM bit = HIGH
MUTEB pin = LOW
(1)
(1)
RSSF = 1
Output is switched
to FM input
AM bit = HIGH
MUTEB pin = LOW
Output is
unchanged
AM bit = LOW
MUTEB pin = HIGH
Output is
unchanged
AM bit = LOW
MUTEB pin = HIGH
NO
NO
NO
NO
YES
YES
YES
YES
YES
NO
NO
YES
When error_count is less
than error_min, the output
is switched back to NICAM
and AM bit = LOW,
MUTEB pin = HIGH
When error_count is
less than error_min,
AM bit = LOW,
MUTEB pin = HIGH
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