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參數(shù)資料
| 型號： | TZA1047HL/M2 |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | 消費(fèi)家電 |
| 英文描述： | SPECIALTY CONSUMER CIRCUIT, PQFP64 |
| 封裝： | 10 X 10 MM, 1.4 MM HEIGHT, PLASTIC, MS-026, SOT314-2, LQFP-64 |
| 文件頁數(shù)： | 29/69頁 |
| 文件大?。?/td> | 324K |
| 代理商： | TZA1047HL/M2 |
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9397 750 14664
Koninklijke Philips Electronics N.V. 2005. All rights reserved.
Product data sheet
Rev. 02 — 1 June 2005
35 of 69
Philips Semiconductors
TZA1047
Preprocessor IC for CD and DVD rewritable
Signal TLN (both positive and negative components) can be clamped to a maximum value
ICL in order to deal with media that have a high and low modulation depth of TLN on one
disc (e.g. written and blank regions). The clamp can be enabled or disabled by bit CLMP.
The signal should recover from the clamped state within 2
s. The polarity of TLN is
reversed by setting bit PTLN to logic 1. Signal TLN is sent as signal D2 to the output if
bit Q/NE is logic 0. The TLN signal is also routed to the MON block for test purposes. Note
that this version of the TLN signal routed to the MON block is not clamped. The
relationship between the TLN signal components is shown in Table 19, (note that
Q5 + Q6 = satsum):
When not used, the TLN circuit can be switched off by setting the DOC current to zero,
IN4[3:0] = 0000.
7.11.6 CA signal block (normalizer sub-block)
The CANORM block produces normalized error signal MIRN.
Table 19:
TLN signal (bit PTLN = 0)
CA/PP
RTLN
TLN
0
1
N[QSNORM, (Q5 + Q6)] × GDOC × IN4
1
N[QSNORM, (Q5 + Q6)] × 2 QS] × GDOC × IN4
X0
QSNORM/3
Fig 20. CANORM block.
001aab186
4.0
8.0
18.0
MIR1/2
RS
BWRS
srf
MIRN
IMIR
rf-norm
LPF2
MIR1/2
mir
satsum
IPR
LASP
r/w
VARP
ALF1/2
INA
0
r/w
SLASP
0
I01
CANtest
CAN
CANT
ALF1/2
I0
RS
BWRS
LPF2
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