LT5518 - 1.5GHz–2.4GHz High Linearity Direct Quadrature Modulator

The LT5518 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 PHS, GSM, EDGE, TD-SCDMA, CDMA CDMA2000, W-CDMA and other systems. It may also be configured as an image reject up-converting mixer, by applying 90 phase-shifted signals to the I and Q inputs. The high impedance 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 an on-chip RF transformer, which converts the differential mixer signals to a 50 single-ended output. The balanced I and Q baseband input ports are intended for DC coupling from a source with a common mode voltage level of about 2.1V. The LO path consists of an LO Buffer with single-ended input, and precision quadrature generators that produce the LO drive for the mixers. The supply voltage range is 4.5V to 5.25V.
By Linear Technology Corporation
LT5518 's PackagesLT5518 's pdf datasheet

LT5518 Pinout, Pinouts
LT5518 pinout,Pin out
This is one package pinout of LT5518,If you need more pinouts please download LT5518's pdf datasheet.

LT5518 Application circuits
LT5518 circuits
This is one application circuit of LT5518,If you need more circuits,please download LT5518's pdf datasheet.

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