Marconi Optical Components P35-4750-1 Transmit/Receive Gain Blocks and Switches for 2.5GHz WLAN Applications Features · Low receive current consumption · Integrated RF routing switch · Requires no external matching, RF coupling or biasing components Description This Gallium Arsenide Monolithic Integrated Circuit (GaAs MMIC) contains a two stage receive amplifier and a two stage transmit amplifier between Tx/Rx switches. Typical Chip Performance @ 2.4GHz (25°C) Receive Gain (dB) SSB noise figure (dB) Current consumption (mA) +5V supply (VDD) -5V supply (Vgg) Input return loss (dB) Output return loss (dB) Transmit 21 3.7 11 <0.2 20 18 *Output power at which gain compresses by 1dB Functional Block Diagram Gain (dB) P-1dB*(dBm) Current consumption (mA) +5V supply (VDD) -5V supply (Vgg) Input return loss (dB) Output return loss (dB) 22 19 135 <0.5 17 17 P35-4750-1 Typical Performance P35-4755-P05 Pin Details P35-4750-1 Marconi Optical Components Pin Details Pin Function 1 2 3 4 5 6 7 8 9 10 11 12 13 14 GND GND Vdd Rx GND Amp Rx control GND LNA in Pa out Tx control GND Vdd Tx Amp GND Vgg GND LNA out PA/in Switching Truth Table Receive Control Transmit Control Input Output Function 0V -5V -5V 0V -5V Pin 7 Pin14 N/A Pin 14 Pin 7 N/A Receive Transmit Standby P35-4750-1 Ordering Information: P35-4750-1 SOIC Package 463/SM/00081/200 Issue 2/2 The data and product specifications are subject to change without notice. These devices should not be used for device qualification and production without prior notice. © Marconi Optical Components Ltd 2001 MOC, Caswell, Towcester, Northants, NN12 8EQ, Tel:+44 1327 356468 Fax +44 1327 356698 www.moc.marconi.com