参数资料
型号: NTE712
厂商: NTE Electronics, Inc.
英文描述: Integrated Circuit TV/FM Sound IF Detector
中文描述: 集成电路电视/调频中频声音探测器
文件页数: 2/3页
文件大小: 25K
代理商: NTE712
Dynamic Characteristics (Cont’d):
(V+ = 24V, T
A
= +25
°
C unless otherwise specified)
Parameter
IF Amplifier and Detector
(f
o
= 5.5MHz,
f =
±
50kHz)
AM Rejection
V
in
= 10mV
rms
, Note 1
Input Limiting Threshold Voltage
Test Conditions
Min
Typ
Max
Unit
40
53
dB
200
400
μ
V
rms
V
rms
%
Recovered Audio Output Voltage
V
in
= 10mV
rms
V
in
= 10mV
rms
f = 4.5MHz, measurement between Pin1 and Pin2
0.5
0.91
Output Distortion
0.9
Input Impedance Components
Parallel Input Resistance
Parallel Input Capacitance
17
4
k
pF
Output Impedance Components
Parallel Output Resistance
f = 4.5MHz, measurement between Pin9 and GND
3.25
k
pF
Parallel Output Capacitance
3.6
Output Resistance
Pin7
Pin8
7.5
250
k
Attenuator
Volume Reduction Range
DC Volume Control =
DC Volume Control =
, Note 2
60
dB
Maximum Undesirable Signal
0.07
1.0
mV
Audio Amplifier
Voltage Gain
V
in
= 0.1V
rms
, f = 400Hz
V
O
= 2V
rms
, f = 400Hz
THD = 5%, f = 400Hz
17.5
20.0
dB
Total Harmonic Distortion
2.0
%
Output Voltage
2.0
3.0
V
rms
k
Input Resistance
f = 400Hz
70
Output Resistance
f = 400Hz
270
Note 1. 100% FM, 30% AM Modulation.
Note 2. Undesirable signal is measured at Pin8 when volume control is set for minimum output.
Pin Connection Diagram
V+
Tone Control
1
2
3
4
IF In Bias
IF In
GND
GND
5
6
DC Volume Control
7
De
Emphasis
14
13
12
11
Audio Input
Audio Output
N.C.
10
Quad Detector
9
Quad Detector
8
Detector Output
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