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HEF4750V

Features: The HEF4750V frequency synthesizer is one of a pair of LOCMOS devices, primarily intended for use in high-performance frequency synthesizers, e.g. in all communication, instrumentation, television and broadcast applications. A combination of analogue and digital techniques results in an ...

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SeekIC No. : 004361424 Detail

HEF4750V: Features: The HEF4750V frequency synthesizer is one of a pair of LOCMOS devices, primarily intended for use in high-performance frequency synthesizers, e.g. in all communication, instrumentation, te...

HEF4750V Data Sheet

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Part Number:
HEF4750V
Supply Ability:
5000

Price Break

  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Product Details

Description



Features:

The HEF4750V frequency synthesizer is one of a pair of LOCMOS devices, primarily intended for use in high-performance frequency synthesizers, e.g. in all communication, instrumentation, television and broadcast applications. A combination of analogue and digital techniques results in an integrated circuit that enables high performance. The complementary device is the universal divider type HEF4751V.

Together with a standard prescaler, the two LOCMOS integrated circuits offer low-cost single loop synthesizers with full professional performance. Salient features offered (in combination with HEF4751V) are:
* Wide choice of reference frequency using a single crystal.
* High-performance phase comparator - low phase noise - low spurii.
* System operation to > 1 GHz.
* Typical 15 MHz input at 10 V.
* Flexible programming:
-frequency offsets
-ROM compatible
-fractional channel capability.
* Programme range 6 1/2 decades, including up to 3 decades of prescaler control.
* Division range extension by cascading.
* Built-in phase modulator.
* Fast lock feature.
* Out-of-lock indication.
* Low power dissipation and high noise immunity.


Application

Some examples of applications for the HEF4750V in combination with the HEF4751V are:
* VHF/UHF mobile radios.
* HF s.s.b. transceivers.
* Airborne and marine communications and navaids.
* Broadcast transmitters.
* High quality radio and television receivers.
* High performance citizens band equipment.
* Signal generators.


Pinout

Connection Diagram


Specifications

Limiting values in accordance with the Absolute Maximum System (IEC 134)
Supply voltage                                                                          VDD                              -0,5 to + 15 V
Voltage on any input                                                                  VI                       -0,5 to VDD + 0,5 V
D.C. current into any input or output                                        ± I                        max.            10 mA
Power dissipation per package for Tamb = 0 to + 85 °C         Ptot                        max.         500 mW
Power dissipation per output for Tamb = 0 to 85 °C                   P                        max.         100 mW
Storage temperature                                                                Tstg                           -65 to + 150 °C
Operating ambient temperature                                             Tamb                             -40 to + 85 °C


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