LTC5598
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LTC5598

5MHz to 1600MHz High Linearity Direct Quadrature Modulator

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Part Details
Part Models 2
1ku List Price Starting From $6.45
Features
  • Frequency Range: 5MHz to 1600MHz
  • High Output IP3:
    • +27.7dBm at 140MHz
    • +22.9dBm at 900MHz
  • Low Output Noise Floor at 6MHz Offset:
    • No Baseband AC Input: –161.2dBm/Hz
    • POUT = 5.5dBm: –160dBm/Hz
  • Low LO Feedthrough: –55dBm at 140MHz
  • High Image Rejection: –50.4dBc at 140MHz
  • Integrated LO Buffer and LO Quadrature Phase Generator
  • 50Ω Single-Ended LO and RF Ports
  • >400MHz Baseband Bandwidth
  • 24-Lead QFN 4mm × 4mm Package
  • Pin-Compatible with Industry Standard Pin-Out
  • Shut-down Mode
Additional Details
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The LTC5598 is a direct I/Q modulator designed for high performance wireless applications, including wireless infrastructure. It allows direct modulation of an RF signal using differential baseband I and Q signals. It supports point-to-point microwave link, GSM, EDGE, CDMA, 700MHz band LTE, CDMA2000, CATV applications and other systems. It may also be configured as an image reject upconverting mixer, by applying 90° phase-shifted signals to the I and Q inputs.

The I/Q baseband inputs consist of voltage-to-current converters that in turn drive double-balanced mixers. The outputs of these mixers are summed and applied to a buffer, which converts the differential mixer signals to a 50Ω single-ended buffered RF output. The four balanced I and Q baseband input ports are intended for DC coupling from a source with a common-mode voltage level of about 0.5V. The LO path consists of an LO buffer with single-ended or differential inputs, and precision quadrature generators that produce the LO drive for the mixers. The supply voltage range is 4.5V to 5.25V, with about 168mA current.

Applications

  • Point-to-Point Microwave Link
  • Military Radio
  • Basestation Transmitter GSM/EDGE/CDMA2K
  • 700MHz LTE Basestation Transmitter
  • Satellite Communication
  • CATV/Cable Broadband Modulators
  • 13.56MHz/UHF RFID Modulator
Part Models 2
1ku List Price Starting From $6.45

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Mar 20, 2024

- 23_0089

Obsolescence of Tower Fab3 (JAZZ-3) SBC35 Process

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PCN

Mar 20, 2024

- 23_0089

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Obsolescence of Tower Fab3 (JAZZ-3) SBC35 Process

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LAST TIME BUY

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