HFA3726

Features: • Integrates all IF Transmit and Receive Functions• Broad Frequency Range . . . . . . . . . . . 10MHz to 400MHz• 5th Order Low Pass Filter. . . . . . . . . . . . . . . . . . . .7.7MHz• 400MHz Limiting IF Gain Strip with RSSI. . . . . . . . . .84dB• Low LO Dr...

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HFA3726 Picture
SeekIC No. : 004361761 Detail

HFA3726: Features: • Integrates all IF Transmit and Receive Functions• Broad Frequency Range . . . . . . . . . . . 10MHz to 400MHz• 5th Order Low Pass Filter. . . . . . . . . . . . . . . . ...

floor Price/Ceiling Price

Part Number:
HFA3726
Supply Ability:
5000

Price Break

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

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268 Transactions

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Upload time: 2024/12/25

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Product Details

Description



Features:

• Integrates all IF Transmit and Receive Functions
• Broad Frequency Range . . . . . . . . . . . 10MHz to 400MHz
• 5th Order Low Pass Filter. . . . . . . . . . . . . . . . . . . .7.7MHz
• 400MHz Limiting IF Gain Strip with RSSI. . . . . . . . . .84dB
• Low LO Drive Level . . . . . . . . . . . . . . . . . . . . . . . -15dBm
• Fast Transmit-Receive Switching . . . . . . . . . . . . . . . . . 1µs
• Power Management/Standby Mode
• Single Supply 2.7V to 5.5V Operation



Application

• Systems Targeting IEEE 802.11 Standard
• TDD Quadrature-Modulated Communication Systems
• Wireless Local Area Networks
• PCMCIA Wireless Transceivers
• ISM Systems
• TDMA Packet Protocol Radios
• PCS/Wireless PBX
• Wireless Local Loop



Pinout

  Connection Diagram


Specifications

Supply Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .-0.3V to +6.0V
Voltage on Any Other Pin. . . . . . . . . . . . . . . . . . -0.3V to VCC +0.3V



Description

The HFA3726 is a highly integrated baseband converter for quadrature modulation applications. It features all the necessary functionality for baseband modulation and demodulation of I and Q signals. It has a two stage integrated limiting IF amplifier with 84dB of gain and a built in Receive Signal Strength Indicator (RSSI). "I" and "Q" Baseband antialiasing and shaping filters are integrated in this design.

In addition, these filters are continuously tunable over a ±10% frequency range via one external resistor. The modulator channel receives digital I and Q data for processing. To achieve broadband operation, the Local Oscillator frequency input is required to be twice the desired frequency of modulation/demodulation. A selectable buffered divide by 2 LO output and a stable reference voltage is provided for convenience of the user. The HFA3726 is housed in a thin 80 lead TQFP package well suited for PCMCIA board applications.


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