NTE1842 Просмотр технического описания (PDF) - NTE Electronics
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NTE1842 Datasheet PDF : 3 Pages
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DC Characteristics (Cont’d): (VCC = 5V, Pin Voltage at No Signal)
Parameter
Typical
Symbol
AM
Unit
FM
Pin5 Voltage (AM IF Output)
V5
1.0
0.9
V
Pin6 Voltage (Meter Output)
V6
1.0
0.9
V
Pin7 Voltage (LED)
Pin8 Voltage (GND)
Pin9 Voltage (Detector Output)
V7
–
V8
0
V9
1.4
–
V
0
V
1.5
V
Pin10 Voltage (VCC)
V10
5.0
5.0
V
Pin11 Voltage (FM Detector)
Pin12 Voltage (AM IF Bypass)
Pin13 Voltage (AM IF Input)
Pin14 Voltage (FM IF Bypass)
V11
5.0
V12
1.5
V13
1.5
V14
1.5
5.0
V
1.5
V
1.5
V
1.5
V
Pin15 Voltage (FM IF Input)
Pin16 Voltage (AM Mix Output)
V15
1.5
V16
5.0
1.5
V
5.0
V
AC Characteristics: (VCC = 5V, TA = +25°C FM: f = 10.7MHz, ∆f = ±22.5kHz, fm = 400Hz
AM: f = 1MHz, MOD = 30%, fm = 400Hz)
Parameter
Symbol
Test Conditions
Min Typ Max Unit
Supply Current
Pin5 Output Resistance
ICC FM VIN = 0
AM VIN = 0
R09 f = 1kHz
– 10 15 mA
–
7 10 mA
– 3.0 –
kΩ
FM
Input Limiting Voltage
Recovered Output Voltage
Signal–to–Noise Ratio
Total Harmonic Distortion
AM Rejection Ratio
Meter Drive Voltage
Lamp ON Sensitivity
AM
VIN(lim)
VOD
S/N
THD
AMR
VM
VL
–3dB Limiting
VIN = 66dBµV
VIN = 80dBµV
VIN = 80dBµV
VIN = 80dBµV
VIN = 100dBµV
IL = 1mA
– 40 46 dBµ
57 85 114 mVrms
– 65 –
dB
– 0.05 –
%
– 38 – dBµ
– 1.8 –
V
– 46 52 dB
Gain
Recovered Output Voltage
Signal–to–Noise Ratio
Total Harmonic Distortion
Meter Drive Voltage
Lamp ON Sensitivity
Local OSC Stop Voltage
GV
VOD
S/N
THD
VM
VL
Vstop
VIN = 26dBµV
VIN = 60dBµV
VIN = 60dBµV
VIN = 60dBµV
VIN = 100dBµV
IL = 1mA
RDUMP = ∞
15 30 75 mVrms
65 95 125 mVrms
– 47 –
dB
– 1.0 –
%
– 1.8 –
V
– 28 – dBµ
– 1.5 –
V
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