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參數(shù)資料
| 型號(hào)： | NTE744 |
| 廠(chǎng)商： | NTE Electronics, Inc. |
| 英文描述： | Integrated Circuit RF/IF Amp |
| 中文描述： | 集成電路射頻/中頻放大器 |
| 文件頁(yè)數(shù)： | 1/3頁(yè) |
| 文件大?。?/td> | 23K |
| 代理商： | NTE744 |
NTE744
Integrated Circuit
RF/IF Amp
Description:
The NTE744 is a monolithic silicon integrated circuit that provides an rf amplifier, if amplifier, mixer,
oscillator, AGC detector, and voltage regulator on a single chip. It is intended for use in super–hetero-
dyne AM radio receiver applications particularly in automobiles. The NTE744 is supplied in a 14–lead
dual–in–line plastic package and operates over the temperature range of –55
°
to 125
°
C.
Features:
Low–noise, low–R
b
, rf stage in cascode connection–eliminates Miller–Effect regeneration and
allows controlled power rise by the choice of external components.
Mixer–oscillator stage with internal feedback–eliminates need for tapped or multi–winding os-
cillator coils
Cascode if amplifier with controlled output impedance and negligible Miller Effect–eliminates
regeneration and selectivity skewing
Frequency–counter AGC circuit–allows control of AGC response by selection of the coupling
capacitor.
Integral regulation with built–in surge protection
Separately accessible amplifiers
Absolute Maximum Ratings:
DC Supply Voltage (Pin3), V+
DC Supply Voltage (IF Output, Pin6)
DC Supply Voltage (RF Output, Pin13)
DC Supply Voltage (Mixer Output, Pin14)
DC Current (Pin3)
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Power Dissipation (Up to T
A
= +55
°
C), P
D
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Derate Above T
A
= 55
°
C
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Operating Ambient Temperature Range, T
opr
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Storage Temperatur Range, T
stg
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Lead Temperature (During Soldering, 1/16” (1.59mm)from case, 10sec max), T
L
9V
40V
20V
20V
35mA
750mW
6.67mW/
°
C
–55
°
to +125
°
C
–65
°
to +150
°
C
. . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
+265
°
C
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