參數(shù)資料
型號: LA3160
元件分類: 音頻/視頻放大
英文描述: 2 CHANNEL, AUDIO PREAMPLIFIER, PSIP8
封裝: SIP-8
文件頁數(shù): 5/8頁
文件大?。?/td> 111K
代理商: LA3160
LA3160
No.494-5/8
(2) Examples of NAB Constants
(a) Tape speed : 9.5cm/s for an 8-track recorder (Z, AG : at f = 1kHz)
VG
30
35
40
dB
RNF
180
100
56
Ω
(b) Tape speed : 4.75cm/s for a cassette tape recorder
VG
30
35
40
dB
RNF
440
240
130
Ω
(c) Flat amplifier
VG
30
35
40
dB
RNF
3.2k
1.8k
1k
Ω
+
100k
Ω
0.033
μF
2.7k
Ω
47
μF
RNF
Z=5.9k
Ω
+
100k
Ω
0.015
μF
7.5k
Ω
47
μF
RNF
Z=13.4k
Ω
+
100k
Ω
47
μF
RNF
Z=100k
Ω
VO – VIN
THD – VO
5
1.0
0.1
10
2
3
5
3
2
5
3
90
2
50
60
70
80
20
30
40
10
35
100
23
5
1k
23
5
10k
23
5
2
100k
Frequency, f – Hz
10
100
35
23
5
2
100
35
2
100
35
2
100k
Frequency, f – Hz
5
2
3
5
2
3
5
0.1
1.0
3
2
24
10
0
4
8
12
16
20
– 8
– 4
3
0.1
1.0
52
5
10
32
5
32
5
3
100
Input voltage, VIN –mV
VG – f
0.1
33
57
1.0
22
5
Output voltage, VO –V
f Response
Output
voltage,
V
O
–V
T
otal
harmonic
distortion,
THD
%
V
oltage
gain,
VG
d
B
Response
d
B
f = 100Hz
f =
100Hz
1kHz
10kHz
VCC = 9V
RL = 10kΩ
Rg = 600
Ω
VG = 35dB/1kHz
VCC = 9V
RL = 10kΩ
Rg = 600
Ω
VCC = 9V
RL = 10kΩ
Rg = 600
Ω
VG = 35dB/1kHz
VCC = 9V
RL = 10kΩ
VG = 35dB/1kHz
Rg = 600
Ω
8-track : RNF = 100Ω
cassette : RNF = 240Ω
C NF
=100
μF
(100
Ω short)
VG
(NAB)
9.5cm/sec
VGo
C NF
=47
μF
(100
Ω short)
8-track
Cassette
8-track
For test circuit, see next page.
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