NTE NTE1807 Integrated circuit head amplifier circuit for 2 head vcr Datasheet

NTE1807
Integrated Circuit
Head Amplifier Circuit for 2 Head VCR
Features:
D Built–in Peaking Amplifier Circuit
D Less Noise Voltage Referred to Input: 1µVrms
Absolute Maximum Ratings: (TA = +25°C unless otherwise specified)
Supply Voltage, VC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6V
Power Dissipation (TA = +70°C), PD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 130mW
Operating Ambient Temperature, Topr . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –20° to +70°C
Storage Temperature Range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –55° to +150°C
Electrical Characteristics: (TA = +25°C, VCC = 5V unless otherwise specified)
Parameter
Symbol
Test Conditions
Min
Typ
Max
Unit
10
–
24
mA
Circuit Current
I1
Channel I Gain
G3–9
f = 1MHz, 0.5mVP–P 52.5
–
62.5
dB
Channel II Gain
G5–9
f = 1MHz, 0.5mVP–P 52.5
–
62.5
dB
AGC Output Amplitude
υ12
f = 4MHz, 0.3mVP–P
154
–
286
mυP–P
AGC Control Sensitivity
∆υ20
f = 4MHz, 0.3mVP–P
–
–
3
dB
PG Switch Changeover Sensitivity
S8
f = 1MHz, 0.5mVP–P
–
–
3.5
V
Noise Voltage Referred to Input (I)
Vni1
1MHz BFP
–
–
1
µVrms
Noise Voltage Referred to Input (II)
Vni2
1MHz BFP
–
–
1
µVrms
Note 1. Operating Supply Voltage Range: VCC(opr) = 4.5 to 5.5V
Pin Connection Diagram
VCC 1
14 Peaking
Ch 1 Damping Adjust 2
13 GND
Ch 1 Input 3
12 AGC Output A
GND 4
11 AGC Output B
Ch 2 Input 5
10 AGC Level Detect
Ch 2 Damping Adjust 6
9 Chroma Signal Output
PB ON Switch 7
14
8 PG Pulse Input
8
.250
(6.35)
1
7
.771 (19.06)
.185
(4.7)
.100 (2.54)
.600 (15.24)
.120 (3.05)
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