CGY92

GaAs MMIC CGY92 _____________________________________________________________________________________________________ Datasheet *Power amplifier for GSM or AMPS application *Fully integrated 2 stage amplifier *Operating voltage range: 2.7 to 6 V *Overall power added efficiency 45 % *Input matched to 50 ohms, simple output match ESD: Electrostatic discharge sensitive device, observe handling precautions! Type Marking Ordering code (taped) Package 1) CGY 92 CGY 92 Q68000-A8884 MW 12 Maximum ratings Characteristics Positive supply voltage Negative supply voltage Supply current Channel temperature Storage temperature RF input power Pulse peak power dissipation duty cycle 12.5%, ton=0.577ms Symbol VD VG max. Value 9 -6 2 150 -55...+150 25 9 5 Unit V V A °C °C dBm W W ID TCh Tstg Pin PPulse Ptot Total power dissipation (CW, Ts ≤ 81°C) Ts: Temperature at soldering point Thermal Resistance Channel-soldering point RthChS ≤14 K/W 1) Plastic body identical to SOT 223, dimensions see page 14 Siemens Aktiengesellschaft HL EH PD 21 pg. 1/14 17.10.95 GaAs MMIC CGY92 _____________________________________________________________________________________________________ Functional block diagramm: Control circuit: VG (1) VD1 (7) VD2 (12) VTR (2) Control Circuit Pin (8) Pout (12) The drain current ID of the CGY 92 is adjusted by the internal control circuit. Therefore a negativ voltage (-4V...-6V) has to be supplied at VG. For transmit operation VTR must be set to 0V. During receive operation VTR should be disconnected (shut off mode). GND1 (6, 9) GND2 (3, 4, 5, 10) GND3 (11) Pin # 1 2 3,4,5,10 6,9 7 8 11 12 VG VTR GND 2 GND 1 VD1 RFin GND 3 VD2, RFout Configuration Negative voltage at control circuit (-4V...-6V) Control voltage for transmit mode (0V) or receive mode (open) RF and DC ground of the 2nd stage RF and DC ground of the 1st stage Positive drain voltage of the 1st stage RF input power Ground for internal output matching Positive drain voltage of the 2nd stage, RF output power DC characteristics Characteristics Drain current Symbol Conditions VD=3V, VG=0V, VTR n.c. min 0.6 2.4 typ 0.9 3.5 1.0 0.32 1.3 -2.8 max 1.2 4.8 -1.8 Unit A A A S S V stage 1 IDSS1 stage 2 IDSS2 Drain current with active current control Transconductance (stage 1 and 2) Pinch off voltage ID gfs1 gfs2 Vp VD=3V, VG=-4V, VTR=0V VD=3V, ID=350mA VD=3V, ID=700mA VD=3V, ID