NTE1827 View Datasheet(PDF) - NTE Electronics
Part Name
Description
Manufacturer
NTE1827 Datasheet PDF : 2 Pages
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Operating Characteristics (Cont’d): (TA = +25°C, VCC = 12V, fp = 58.75MHz, fs = 54.25MHz (VIF))
Parameter
Symbol
Test Conditions
Min Typ Max Unit
Minimum AFT Voltage
AFT Detection Sensitivity
VIIL Vi = 10mVrms SWEEP
SF Vi = 10mVrms SWEEP
– 0.4 1.0
V
50 88 – mV/kHz
White Noise Threshold Level
VWTH Vi = 10mVrms SWEEP
6.4 6.8 7.2
V
White Noise Clamp Level
Black Noise Threshold Level
Black Noise Clamp Level
SIF Output Signal Voltage
VWCL
VBTH
VBCL
VOS(16)
Vi = 10mVrms SWEEP
Vi = 10mVrms SWEEP
Vi = 10mVrms SWEEP
P/S = 20dB
4.2 4.6 5.0
V
1.9 2.2 2.5
V
3.8 4.2 4.6
V
70 130 210 mVrms
Frequency Characteristic
fc
–3dB
5
7
–
MHz
Differential Gain
Differential Phase
Input Resistance
DG Vi =10mVrsm 87.5% VIDEOMOD
–
–
4
DP Vi = 10mVrms 87.5% VIDEOMOD –
–
3
ri
– 1.5 –
%
deg
kohm
Input Capacitance
ci
– 3.5 –
pF
SIF Limiting Voltage
Vilim –3dB
– 200 400 µVrms
Detection Output Voltage
VO(3) Vi = 100mVrms, fm = 400Hz,
∆f = ±25kHz
450 650 850 mVrms
Total Harmonic Distortion
THD(3) Vi = 100mVrms, fm = 400Hz, ∆f =
– 0.5 1.0
%
±25kHz
AM Rejection
AMR Vi = 100mVrms, fm = 400Hz,
∆f = ± 25kHz, 30%AM
50 60 –
dB
Pin Connection Diagram
FM Coil or
Ceramic Discriminator
1
FM Coil or
Ceramic Discriminator
2
Audio Output 3
IF AGC Filter 4
Bypass 5
VIF Input 6
VIF Input 7
Bypass 8
RF AGC VR 9
RF AGC Output 10
20 Bypass
19 SIF Input
18 GND
17 VCC
16 Video Output
15 AFT Coil
14 LLD Coil
13 LLD Coil
12 AFT Coil
11 AFT Output
20
11
.280 (7.12) Max
1
10
.995 (25.3) Max
.280
(7.1)
.300
(7.62)
.100 (2.54) .125 (3.17) Min
.385 (9.8)
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