NTE NTE1419

NTE1419
Integrated Circuit
Head Amp Circuit for VCR
Features:
D Video Signal Pre−Amplifier Circuit
D Filter Amplifier Circuit
D Mixer Amplifier Circuit
D Head Switch Over Circuit
D Supply Voltage, either 9V or 12V
Absolute Maximum Ratings: (TA = +25°C, unless otherwise specified)
Supply Voltage, VCC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14.4V
Power Dissipation, PD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 530mW
Operating Temperature Range, Topg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −20° to +70°C
Storage Temperature Range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −40° to +150°C
Electrical Characteristics: (TA = +25°C, VCC = 12V unless otherwise specified)
Parameter
Supply Current
Symbol
Test Conditions
Typ Max
Unit
26
−
44
mA
50.5
−
62.5
mA
GV(1)
50.5
−
62.5
mA
Voltage Gain (Mix Amp)
GV(3)
10
−
14
dB
Second Harmonic Distortion
(H d Amp)
(Head
A )
D2(1)
−
−
−40
dB
D2(2)
−
−
−40
dB
Input Noise Voltage
Vni(1)
−
−
2
µVrms
Vni(2)
−
−
−2
µVrms
S
300
−
−
µA
Voltage Gain (Head Amp)
Sensitivity
I1
Min
GV(1)
f = 4MHz, ni = 1mVpp−pp
f = 1MHz, B.P.F
Pin Connection Diagram
1
14
To Amp No. 1
Peaking Circuit
1µF Bypass Cap
2
13
Output Switch 1
Input Head 1
3
12
Video Head Switch
Pulse Input
GND
4
11
Mixer Amp Input
Input Head 2
5
10
Mixer Amp Output
1µF Bypass Cap
6
9
Output Switch 2
Ripple Filter
7
8
To Amp No. 2
Peaking Circuit
VCC
14
8
1
7
.785 (19.95)
Max
.300
(7.62)
.200 (5.08)
Max
.100 (2.45)
.600 (15.24)
.099 (2.5) Min