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Product details

Parameters

Frequency (Min) (MHz) 300 Frequency (Max) (MHz) 4000 I/Q input common-mode voltage (Typ) 0.25 PLL/VCO No P1dB (Typ) (dBm) 13 Output IP3 (Typ) (dBm) 30 Noise floor (Typ) (dBm/Hz) -160 Unadjusted carrier suppression (Typ) (dBm) -45 Unadjusted sideband suppression (Typ) (dBc) -45 open-in-new Find other IQ modulators

Package | Pins | Size

VQFN (RGE) 24 16 mm² 4 x 4 open-in-new Find other IQ modulators

Features

  • High Linearity:
    • Output IP3: 30 dBm at 1850 MHz
  • Low Output Noise Floor: –160 dBm/Hz
  • 78-dBc Single-Carrier WCDMA ACPR
    at –10-dBm Channel Power
  • Unadjusted Carrier Suppression: –40 dBm
  • Unadjusted Sideband Suppression: –45 dBc
  • Single Supply: 3.3-V Operation
  • 1-bit Gain Step Control
  • Fast Power-Up/Power-Down
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Description

The TRF37T05 is a low-noise direct quadrature modulator with exceptional TDD performance. It is capable of converting complex modulated signals from baseband or IF directly up to RF. The TRF37T05 is a high-performance, superior-linearity device that is ideal to up-convert to RF frequencies of 300 MHz (Note: appropriate matching network is required for optimal performance at 300 MHz) through 4 GHz. The modulator is implemented as a double-balanced mixer.

The RF output block consists of a differential-to-single-ended converter that is capable of driving a single-ended 50-Ω load. The TRF37T05 requires a 0.25-V common-mode voltage for optimum linearity performance. The TRF37T05 also provides a fast power-down pin that can be used to reduce power dissipation while maintaining optimized adjusted carrier feed-through performance in TDD applications.

The TRF37T05 is available in an RGE-24 VQFN package.

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Technical documentation

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Type Title Date
* Datasheet TRF37T05 300-MHz to 4-GHz Quadrature Modulator datasheet (Rev. A) Nov. 18, 2015
Technical articles Can a clock generator act as a jitter cleaner? Mar. 23, 2017
Technical articles Don’t let bad reference signals destroy the phase noise in your PLL/synthesizer Jan. 10, 2017
Technical articles A survival guide to scaling your PLL loop filter design Nov. 22, 2016
Technical articles What to do when your PLL does not lock Jul. 12, 2016
Application notes Time Division Duplexing (TDD) Adjusted Carrier Feedthrough Evaluation Jun. 28, 2013
User guides TRF37T05 EVM Users Guide Jun. 26, 2013

Design & development

For additional terms or required resources, click any title below to view the detail page where available.

Hardware development

EVALUATION BOARDS Download
document-generic User guide
$199.00
Description

The TRF37T05EVM evaluation module is intended for the evaluation of the TRF37T05 direct-launch quadrature modulator for TDD (time-division duplex) applications in the transmit path of base stations and communication equipment.

Features
  • The TRF37T05EVM comes configured for differential I/Q input signals via four SMA connectors.
  • The RF output signal from the quadrature modulator can monitored via SMA connector
  • The LO signal is also provided through an SMA connector

CAD/CAE symbols

Package Pins Download
VQFN (RGE) 24 View options

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