NTE1488 查看數據表（PDF） - NTE Electronics
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NTE1488 Datasheet PDF : 3 Pages
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Electrical Characteristics (Cont’d): (TA = +25°C unless otherwise specified)
Parameter
Symbol
Test Conditions
Min Typ
AC Characteristics (VCC = 13V, fc = 10.7MHz, fm = 400Hz, ∆f = 75kHz)
Supply Current
ICC
Vin = 0dBµ, Pin16 to GND Open
Limiting Sensitivity
Vin(lim)
Vin = 100dBµ Input,
Input Level = 3dB from VO(AF)
Reversed AF Voltage
VO(AF) Vin = 100dBµ
Total Harmonic Distortion
THD Vin = 100dBµ
Signal–to–Noise Ratio
S/N
Vin = 100dBµ
AM Rejection Ratio
AMR
Vin = 100dBµ, AM: fin = 1kHz, Mod.
30%
16 25
– 31
265 380
– 0.03
78 84
45 54
Muting Attenuation
Mute(Att) Vin = 100dBµ, Output standard with Pin5 70 85
Open, Attenuation with 2V impressed to
Pin5
Muting Bandwidth
Muting Sensitivity
Muting Sensitivity Adjustment
Range
BW (Mute) Vin = 100dBµ, Sum of + and ∆f for
V12 = 1.4V
55 105
Vin (Mute) No muting level adjustment (Pin16 36 44
Open) input level for V12 = 1.4V
AVin (Mute) Max. input level with possible muting
level adjustment, Note 1
75 –
Meter Drive Voltage
AGC Control Voltage
V13–0
V13–70
V13–100
V15
Vin = 0dBµ, Pin13 Voltage
Vin = 70dBµ, Pin13 Voltage
Vin = 100dBµ, Pin13 Voltage
Vin = 80dBµ, Pin15 Voltage
–
0
0.9 1.45
4.7 5.2
– 4.3
Max
33
37
510
0.10
–
–
–
145
60
–
–
–
–
–
Unit
mA
dBµ
mVrms
%
dB
dB
dB
kHz
dBµ
dBµ
V
V
V
V
Note 1. Muting level can be adjusted up to 75dBµ and should be set within this range.
Pin Connection Diagram
Input 1
AM/FM Switch 2
Bypass 3
GND 4
Mute Input 5
Audio Output 6
AFC Output 7
Quad Det 8
16 Mute Adjust
15 RF AGC
14 GND
13 Meter Driver
12 Mute Output
11 VCC
10 Det Tank
9 Det Tank
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