NTE1179
Integrated Circuit
PreAmplifier with ALC Transistors
Features:
DLow Noise, Low Distortion
DIncludes ALC Transistor
Absolute Maximum Ratings: (TA = +25°C, VCC = 5.5V unless otherwise specified)
Maximum Supply Voltage, VCCMAX 9.5V. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Allowable Current Dissipation, ICCMAX 10mA. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Maximum Current of Transistor, ICCMAX 5mA. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Allowable Power Dissipation, PDMAX 200mW. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Operating Temperature Range, Topr 20 to +60°C. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Storage Temperature Range, Tstg 40 to +125°C. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Electrical Characteristics: (TA = +25°C, VCC = 5.5V, f = 1kHz, RL = 10k, unless otherwise specified)
Parameter Symbol Test Conditions Min Typ Max Unit
Quiescent Current ICCO 1.1 mA
Voltage Gain VGOpen Loop 56 58 dB
Closed Loop 42 45 48 dB
Output Voltage VOTHD = 5% 0.7 1.2 V
Total Harmonic Distortion THD VO = 200mV 1.0 %
Input Resistance Ri20 k
Noise Output Voltage VNO Input: Recording Head, VG = 75dB 10 mV
ALC Rejection 9dB
Pin Connection Diagram
(Front View)
VCC
GND1
2
3
4
AFC Output
Detector Resonant
Detector Resonant
Prime Video Output
8
7
6
5
Video IF Input
Invert Video Output
Circuit
Circuit
85
.256 (6.52) Max
.393 (10.0)
Max
14
.300 (7.62)
.300
(7.62)
.150
(3.81)
.070 (1.77) Min.100 (2.54)