NTE7148 View Datasheet(PDF) - NTE Electronics
Part Name
Description
Manufacturer
NTE7148 Datasheet PDF : 7 Pages
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Electrical Characteristics (Cont’d): (TA = +25°C, VCC = V11 = V14 = 9V, ICC = I30 = 13mA unless
otherwise specified)
Parameter
Symbol
Test Conditions
Min Typ Max Unit
VIF (Cont’d)
Maximum AFT Output Voltage
Minimum AFT Output Voltage
AFT Detection Sensibility
AFT Switch Operation Start
Voltage
V47H
V47L
Sf
VAFTSW
CW = 80dBµ, frequency change
CW = 80dBµ, frequency change
CW = 80dBµ, frequency change
Measuring with sweep signal
8.3 8.7 9.0
V
0.1 0.3 0.8
V
45 70 100 mV/kHz
0.5 1.0 1.5
V
Black Noise Threshold Level
APC Pull–In Range (U)2
APC Pull–In Range (L)2
VCO Maximum Variable Range
VCO Control Sensitivity
VBTH
fPU–2
fPL–2
∆fU
∆fL
β
Measuring with sweep signal
CW = 80dBµ, fP = 53MHz to 64MHz
CW = 80dBµ, fP = 53MHz to 64MHz
Quiescent
Quiescent
Quiescent
1.1 1.4 1.7
V
0.8 1.7 4.0 MHz
– –2 –1 MHz
0.9 1.7 4.0 MHz
–4 –2 –1 MHz
1.5 3.0 5.5 kHz/mV
Audio–Visual Switches
Video Output DC Voltage
Internal Video Input Voltage
External Video Input Voltage
External Audio Input Voltage
SIF AF
V38 Quiescent
V42 Quiescent
V40 Quiescent
V3 Quiescent
3.0 3.4 3.8
V
4.4 4.8 5.2
V
4.4 4.8 5.2
V
5.2 5.6 6.0
V
SIF Limiting Voltage
Vilim SIF output level for detection output
at –3dB
33 40 47 dBµ
FM Detection Output Voltage
FM Detection Output Distortion
Ratio
VO1
THD
Vi = 100dBµ, ∆f = ±25kHz
Vi = 100dBµ, ∆f = ±25kHz
440 550 670 mVrms
0 0.4 1.0
%
AM Rejection
AMR
Vi = 80dBµ,
FM: ∆f = ±25kHz
AM: 30%
40 60 80
dB
AF Amplifier Voltage Gain
AF Maximum Output Voltage
GAF Vi = 100mVrms, f = 400Hz
Vo6 max Output level for AF amplifier output
distortion at 10%
18 20 22
dB
2.0 2.8 3.6 Vrms
AF Electronic Attenuator Range
Video
ATT Vi = 200mVrms, f = 400Hz
70 80 100 dB
Black Enhancement Threshold
Maximum Black Enhancement
Gain
BSTH APL variable
BSmax APL variable
40 50 60 IRE
–35 –27 –20 IRE
Soft Video Tone Variable Range
∆Soft f = 2MHz, 100mVP–P,
video tone VR: 4V → 0V
–6 –4 –2
dB
Sharp Video Tone Variable
Range
∆Sharp f = 2MHz, 100mVP–P,
video tone VR: 4V → 9V,
contrast VR: 6V
7 10 13
dB
Video Voltage Gain Audio–Visual GV9V f = 100MHz, 100mVP–P
Switch 9V
contrast VR: 9V, video, tone VR: 4V
15 18 21
dB
Video Voltage Gain Audio–Visual GV0V f = 100MHz, 100mVP–P,
Switch 0V
contrast VR: 0V, video tone VR: 4V
15 18 21
dB
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