RF9678PCBA - W-CDMA TRANSMIT MODULATOR AND IF AGC
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 p
RF9678PCBA 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 Cont
