參數資料
型號: HA12170NT
廠商: Hitachi,Ltd.
英文描述: Dolby B- and C-Type Noise Reduction System
中文描述: 杜比B和C型降噪系統
文件頁數: 4/63頁
文件大?。?/td> 392K
代理商: HA12170NT
HA12141NT, HA12142NT, HA12170NT, HA12161FP, HA12162FP
Rev.3, Jun. 1999, page 4 of 63
Electrical Characteristics
(Ta = 25°C, V
CC
= Vopr-typ, unless otherwise specified)
(Dolby Level = 300 mVrms at TP (REC-mode: TP2, TP4 PB-mode: TP1, TP3)) (cont)
Test conditions
Item
Symbol
Min
Typ
Max
Unit R/P
NR
f (Hz)
Signal to noise ratio
S/N (REC) 60.0
64.0
dB
R
C
Rg = 5.1k
CCIR/ARM
Total harmonic distortion THD (OFF) —
0.03
0.15
%
R
OFF 1 k
Vin = 0dB
THD (C)
0.09
0.3
%
R
C
1 k
Vin = 0dB
NR OFF frequency
response
FR-OFF
–3.0
0.0
+3.0
dB
P
OFF 100 k
Vin = 0dB
Crosstalk between
CT (R
P) —
80.0
dB
P
OFF 1 k
Vin = 0dB
REC-PB
CT (P
R) —
80.0
dB
R
OFF 1 k
Crosstalk between
CT (L
R) —
85.0
dB
R
OFF 1 k
Vin = 0dB
channel
CT (R
L) —
85.0
dB
Control voltage for MPX
OFF/REC/PB
Vcont
(MPX)
V
CC
–1
V
CC
V
Vcont
(REC)
2.5
V
CC
2
+
0.5
V
Vcont (PB) 0.0
0.4
V
Control voltage for NR
C/B OFF
Vcont (C)
V
CC
2
V
CC
2
+
3
V
CC
V
Vcont (B)
–0.5—
V
CC
2
V
CC
2
+
0.5
V
Vcont
(OFF)
0.0
–3
V
PB-OUT
HA12141NT Vout
250
300
350
mVrms R
OFF 1 k
Vin = 0dB
level
HA12142NT
490
580
670
mVrms
HA12170NT
646
775
904
mVrms
REC-OUT offset
Voffset
–70
0.0
70
mV
R
OFF
C
V
CC
= 16V
No signal
Channel balance
Gv
–1.0
0.0
1.0
DB
R
OFF 1 k
Vin = 0dB
相關PDF資料
PDF描述
HA12141 Dolby B- and C-Type Noise Reduction System
HA12173 Audio Signal Processor for Car Deck and Cassette Deck (Dolby B/C-type NR with PB Amp)
HA12174 Audio Signal Processor for Car Deck and Cassette Deck (Dolby B/C-type NR with PB Amp)
HA12175 Audio Signal Processor for Car Deck and Cassette Deck (Dolby B/C-type NR with PB Amp)
HA12177 Audio Signal Processor for Car Deck and Cassette Deck (Dolby B/C-type NR with PB Amp)
相關代理商/技術參數
參數描述
HA12173 制造商:HITACHI 制造商全稱:Hitachi Semiconductor 功能描述:Audio Signal Processor for Car Deck and Cassette Deck (Dolby B/C-type NR with PB Amp)
HA12173SERIES 制造商:未知廠家 制造商全稱:未知廠家 功能描述:
HA12174 制造商:HITACHI 制造商全稱:Hitachi Semiconductor 功能描述:Audio Signal Processor for Car Deck and Cassette Deck (Dolby B/C-type NR with PB Amp)
HA12175 制造商:HITACHI 制造商全稱:Hitachi Semiconductor 功能描述:Audio Signal Processor for Car Deck and Cassette Deck (Dolby B/C-type NR with PB Amp)
HA12177 制造商:HITACHI 制造商全稱:Hitachi Semiconductor 功能描述:Audio Signal Processor for Car Deck and Cassette Deck (Dolby B/C-type NR with PB Amp)