NTE748
Integrated Circuit
TV Sound Circuit
Description:
The NTE748 is an integrated circuit in a 14鈥揕ead DIP type pacjage designed for IF limiting, detection,
audio preamplifier and driver for the sound portion of a TV receiver.
Features:
D
Excellent Limiting with 80碌V(rms) Input Signal typ
D
Large Output鈥揤oltage Swing鈥搕o 3.5V(rms) typ
D
High IF Voltage Gain鈥?5dB typ
D
Zener Power鈥揝upply Regulation Built鈥搃n
D
Short鈥揅ircuit Protection
D
A Coincidence Discriminator that Requires Only One RLC Phase Shift Network
D
Preamplifier to Drive a Single External鈥揟ransistor Class鈥揂 Audio Output Stage
Absolute Maximum Ratings:
(T
A
= +25擄C unless otherwise specified)
Power Supply Voltage, V+ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +16V
Input Voltage, V
in
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.7V
(rms)
Power Dissipation (Package Limitation), P
D
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 625mW
Derate above +25擄C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5.0mW/擄C
Operating Temperature Range, T
A
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0擄 to +75擄C
Storage Temperature Range, T
stg
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 鈥?5擄 to +150擄C
Electrical Characteristics:
(V+ = 12V, T
A
= +25擄C, f = 4.5MHz, Deviation =
鹵25kHz
unless
otherwise specified)
Parameter
Input Voltage
AM Rejection
Symbol
V
L
AMR
鈥?dB Limiting
V
in
= 20mV
rms
,
AM = 30%,
AMR = 20 log,
Note 1
V
OFM
: f = 4.5MHz,
Deviation =
鹵25kHz,
Q
L
= 24
V
OAM
: f = 5.5MHz,
Deviation =
鹵50kHz,
Q
L
= 30
Test Conditions
Min
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
Typ
80
45
45
1.0
3.5
Max
160
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
Unit
碌V
rms
dB
dB
%
V
rms
Total Harmonic Distortion
Maximum Undistorted Audio
Output Voltage (Pin10)
THD
Q
L
= 24, 7.5kHz Deviation, Note 1
V
o(max)
Audio Gain Adjusted Externally, Q = 24, Note 1
NTE748 產(chǎn)品屬性
NTE
置換半導(dǎo)體
否
1
NTE748相關(guān)型號PDF文件下載
-
型號
版本
描述
廠商
下載
-
英文版
Silicon NPN Transistor High Voltage Power Amp, Switch
NTE
-
英文版
Silicon NPN Transistor High Current Amp, Fast Switch
NTE
-
英文版
Silicon NPN Transistor High Current Amp, Fast Switch
NTE
-
英文版
Silicon NPN Transistor High Power Amplifier, Switch (Stud Mo...
NTE
-
英文版
Silicon NPN Transistor Broadband CATV Driver
NTE
-
英文版
Silicon NPN Transistor RF Power Output
NTE
-
英文版
TRANSISTOR | BJT | NPN | 18V V(BR)CEO | 2A I(C) | TO-202VAR
ETC
-
英文版
Integrated Circuit TV Chroma System
NTE
-
英文版
Integrated Circuit Video Signal Processor
NTE
-
英文版
Integrated Circuit TV Sound, IF Amp
NTE
-
英文版
Integrated Circuit TV/FM Sound IF Amplifier
NTE
-
英文版
Integrated Circuit TV/FM Sound IF Amplifier
NTE
-
英文版
Integrated Circuit TV/FM Sound IF Detector
NTE
-
英文版
Integrated Circuit Chroma Demod
NTE
-
英文版
Integrated Circuit Chroma Subcarrier Regeneration
NTE
-
英文版
Integrated Circuit TV Chroma IF Amp
NTE
-
英文版
Integrated Circuit FM Stereo Multiplex Decoder
NTE
-
英文版
Integrated Circuit FM Sound System
NTE
-
英文版
Integrated Circuit Differential/Cascode Amplifier
NTE
-
英文版
Integrated Circuit Dual Low Noise Preamp/OP Amp
NTE
1
2
