NTE1806
Integrated Circuit
Head Amplifier Circuit for 4 Head VCR
Features:
D
Built鈥搃n Enveloped Comparing Circuit
D
Built鈥搃n Peaking Amplifier Circuit
D
Less Noise Voltage Referred to Input: 1碌V
rms
Absolute Maximum Ratings:
(T
A
= +25擄C unless otherwise specified)
Supply Voltage, V
C
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6V
Power Dissipation (T
A
= +70擄C), P
D
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 250mW
Operating Ambient Temperature, T
opr
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 鈥?0擄 to +70擄C
Storage Temperature Range, T
stg
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 鈥?5擄 to +150擄C
Electrical Characteristics:
(T
A
= +25擄C, V
CC
= 5V unless otherwise specified)
Parameter
Circuit Current
Channel I Gain
Channel II Gain
Channel III Gain
Channel IV Gain
AGC Output Amplitude
AGC Control Sensitivity
Head Switch Changeover Sensitivity
Head Amp Switch Changeover Sensitivity
Noise Voltage Referred to Input (I)
Noise Voltage Referred to Input (II)
Noise Voltage Referred to Input (III)
Noise Voltage Referred to Input (IV)
Envelope Comparative Output Amplitude
Envelope Comparative Output Stop Sensitivity
Symbol
I
16
G
3鈥?5
G
4鈥?5
G
8鈥?5
G
9鈥?5
蠀
20
蠀
20
S
1
S
11
V
ni3鈥?5
V
ni4鈥?5
V
ni8鈥?5
V
ni9鈥?5
蠀
14
S
17
1MHz BFP
1MHz BFP
1MHz BFP
1MHz BFP
f = 1MHz
f = 1MHz
f = 1MHz
f = 1MHz
f = 4MHz
f = 4MHz
Test Conditions
Min
16
50.5
50.5
50.5
50.5
100
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4.3
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Typ
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Max
40
60.5
60.5
60.5
60.5
190
3
1
1
1
1
1
1
鈥?/div>
1.2
Unit
mA
dB
dB
dB
dB
m蠀
P鈥揚(yáng)
dB
V
V
碌V
rms
碌V
rms
碌V
rms
碌V
rms
V
P鈥揚(yáng)
V
Note 1. Operating Supply Voltage Range: V
CC(opr)
= 4.5 to 5.5V
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