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參數(shù)資料
| 型號(hào)： | CXA1498M |
| 廠商： | Sony Corporation |
| 英文描述： | Recording/Playback Equalizer Amplifier for Stereo Tape Recorder(立體聲錄音機(jī)的錄音/回放均衡放大器) |
| 中文描述： | 錄制/播放均衡器，放大器的立體聲磁帶錄音機(jī)（立體聲錄音機(jī)的錄音/回放均衡放大器） |
| 文件頁數(shù)： | 10/13頁 |
| 文件大小： | 268K |
| 代理商： | CXA1498M |
– 10 –
CXA1498S/M
Notes on Operation
(1) Operation mode control (each mode of recording and playback equalizers)
1: Playback equalizer switching (120μs/70μs)
(Pins 9, 22 and 23)
2: Normal/double speed switching
(Pin 8)
Both playback and recording equalizers are switched in normal/double speed switching.
For double speed, both playback and
recording systems are switched to
double speed characteristics of each
setting mode:
(PB-EQ: 120μs, 70μs)
(REC-EQ: NORMAL, CrO
2
, METAL)
3: Recording equalizer switching (NORMAL, CrO
2
, METAL)
(Pins 9 and 10)
(2) Recording mute (REC MUTE: ON/OFF)
(Pin 21)
The recording mute function of the CXA1498S is controlled by a recording mute circuit to vary the electric
volume for recording equalizer amplifier gain by applying the DC voltage to REC MUTE (Pin 21).
DECK A-EQ (Pin 22)
DECK B-EQ (Pin 9)
L
H
120μs (A-DECK)
70μs (A-DECK)
Follows B-EQ control.
DECK A/B
(Pin 23)
L
H
L
H
Follows A-EQ control.
120μs (B-DECK)
70μs (B-DECK)
Recording mute ON
Attenuation –6dB
2.0V
REC MUTE
Control voltage
GND
≤
VCL
≤
0.5V
Recording mute OFF
3.5V
≤
VCH
≤
V
CC
METAL (Pin 10)
L
H
NORMAL (Type-
I
)
METAL (Type-
IV
)
CrO
2
(Type-
II
)
METAL (Type-
IV
)
DECK B-EQ
(Pin 9)
L
H
L
H
Normal speed
Double speed
Normal speed
Double speed
Playback EQ
Recording EQ
SPEED Pin 8
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| CXA1498S | 制造商:SONY 制造商全稱:Sony Corporation 功能描述:Recording/Playback Equalizer Amplifier for Stereo Tape Recorder |
| CXA1498S/M | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Recording/Playback Equalizer Amplifier for StereoTape Recorder |
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