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RF9678 - W-CDMA TRANSMIT MODULATOR AND IF AGC

Description

The RF9678 is an integrated complete quadrature modulator and IF AGC amplifier designed for the transmit section of W-CDMA applications.

It is designed to modulate baseband I and Q signals, and amplify the resulting IF signals while providing 55dB of gain control range.

Features

  • Digitally Controlled Power Down Modes.
  • 2.7V to 3.3V Operation.
  • Digital LO Quadrature Divider.
  • AGC Linearity/Current Consumption Var.
  • IF AGC Amp with 55dB Gain Control AGC DEC 14 16 VGC 1 VCC2 2 MOD+ 3 MOD- 4 5 I SIG+ 15 13 12 NC 11 BG OUT Gain Control S Quad /2 VCC1 10 LO+ 9 LO- ISET 6 I SIG- 7 Q SIG+ 8 Q SIG- Ordering Information RF9678 RF9678 PCBA W-CDMA Transmit Modulator and IF AGC Fully Assembled Evaluation Board Functional Block D.

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Datasheet Details

Part number RF9678
Manufacturer RF Micro Devices
File Size 200.60 KB
Description W-CDMA TRANSMIT MODULATOR AND IF AGC
Datasheet download datasheet RF9678 Datasheet

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

View original datasheet text
Preliminary RF9678 W-CDMA TRANSMIT MODULATOR AND IF AGC 5 Typical Applications • W-CDMA Systems • EDGE Systems • CDMA Systems • TDMA Systems Product Description The RF9678 is an integrated complete quadrature modulator and IF AGC amplifier designed for the transmit section of W-CDMA applications. It is designed to modulate baseband I and Q signals, and amplify the resulting IF signals while providing 55dB of gain control range. This circuit is designed as part of RFMD’s single mode W-CDMA Chipset, which also includes the RF2679 W-CDMA Receive IF AGC and Demodulator. The IC is manufactured on an advanced Silicon Bi-CMOS process, and is supplied in a16-pin leadless chip carrier. .80 .65 1.00 0.85 .60 .24 typ 4.00 sq. .65 .30 4 PLCS 5 MODULATORS AND UPCONVERTERS .35 2 .23 1.85 1.
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