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PDF NTE744 Data sheet ( Hoja de datos )
| Número de pieza | NTE744 | |
| Descripción | Integrated Circuit RF/IF Amp | |
| Fabricantes | NTE Electronics | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de NTE744 (archivo pdf) en la parte inferior de esta página. Total 3 Páginas | ||
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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:
D Low–noise, low–Rb, rf stage in cascode connection–eliminates Miller–Effect regeneration and
allows controlled power rise by the choice of external components.
D Mixer–oscillator stage with internal feedback–eliminates need for tapped or multi–winding os-
cillator coils
D Cascode if amplifier with controlled output impedance and negligible Miller Effect–eliminates
regeneration and selectivity skewing
D Frequency–counter AGC circuit–allows control of AGC response by selection of the coupling
capacitor.
D Integral regulation with built–in surge protection
D Separately accessible amplifiers
Absolute Maximum Ratings:
DC Supply Voltage (Pin3), V+ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9V
DC Supply Voltage (IF Output, Pin6) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40V
DC Supply Voltage (RF Output, Pin13) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20V
DC Supply Voltage (Mixer Output, Pin14) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20V
DC Current (Pin3) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35mA
Power Dissipation (Up to TA = +55°C), PD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 750mW
Derate Above TA = 55°C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6.67mW/°C
Operating Ambient Temperature Range, Topr . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –55° to +125°C
Storage Temperatur Range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –65° to +150°C
Lead Temperature (During Soldering, 1/16” (1.59mm)from case, 10sec max), TL . . . . . . . . +265°C
1 page | ||
| Páginas | Total 3 Páginas | |
| PDF Descargar | [ Datasheet NTE744.PDF ] | |
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