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Siemens Semiconductor Group
Siemens Semiconductor Group


Q-62702-G66

GaAs MMIC (Variable gain amplifier MMIC-Amplifier for mobile communication Typical Gain Control range over 50dB)

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CGY 121 A

GaAs MMIC Preliminary Datasheet
l l l l l l l
RF-in; -Vg Vcontrol 6 RF-GND 5 4

Variable gain amplifier (MMIC-Amplifier) for mobile communication Typical Gain Control range over 50dB Positive Control Voltage 50Ω input and output matched Low power consumption Operating voltage range: 2.7 to 6 V Frequency range 800 MHz ... 2.5 GHz

3 2 1 Vd2; RF-out RF-GND Vd1

ESD: Electrostatic discharge sensitive device, observe handling precautions!

Type

Marking

Ordering code (taped)

Package

1)

CGY 121 A

Y9S

Q-62702-G66

MW-6

Maximum ratings Characteristics Drain voltage Neg. supply voltage Pos. control voltage Channel temperature Storage temperature range Total power dissipation (TS < 81°C) 2) Thermal resistance Characteristics Channel-soldering point (GND)
1) 2)

Symbol

max. Value 8 -8 4 150 -55...+150 550

Unit V V V °C °C mW

VD VG Vcon TCh Tstg Ptot

Symbol

max. Value 125

Unit K/W

RthChS

Dimensions see page 9. Please care for sufficient heat dissipation on the pcb! *) Pin-out changed compared to CGY120: 180° rotation

Siemens Aktiengesellschaft

1

Semiconductor Group

1

23.06.98 HL HF PE GaAs1 1998-11-01

CGY 121 A

Functional block diagram:

VD1 (3)

VD2 (1)

Pin / -VG(4) Pout (1) Vcon (6) Control Circuit

GND (2, 5)

Pin # 1 2 3 4 5 6

Name VD2 / Pout RF-Gnd VD1 VG / Pin RF-Gnd

Configuration Drain voltage 2nd stage / RF-0utput

Drain voltage 1st stage Negative voltage at current control circuit (-4V) / RF-Input

Vcontrol Positive voltage for gain control (0V....3V)

Siemens Aktiengesellschaft

2

Semiconductor Group

2

23.06.98 HL HF PE GaAs1 1998-11-01

CGY 121 A

Electrical characteristics (TA = 25°C, f = 900 MHz, Vg = -4V, RS = RL = 50 Ω unless otherwise specified) Characteristics Power Gain Vd=3V; I=45mA; Vcon=3V Input return loss Vd=3V; I=45mA; Vcon=3V Output return loss Vd=3V; I=45mA; Vcon=3V Gain Control Range Vcon=3 V ... 0V; Vd=3V; I=45mA 1dB gain compression Vd=3V; I=45mA; Vcon=3V Symbol min 17 48 typ 19 11 10 53 14 max Unit dB dB dB dB dBm

G RLin RLout dG P1dB

Electrical characteristics (TA = 25°C ,f = 1800 MHz, Vg=-4V, RS = RL = 50 Ω unless otherwise specified) Characteristics Power Gain Vd=3V; I=45mA; Vcon=3V Input return loss Vd=3V; I=45mA; Vcon=3V Output return loss Vd=3V; I=45mA; Vcon=3V Gain Control Range Vcon=3 V ... 0V; Vd=3V; I=45mA 1dB gain compression Vd=3V; I=45mA; Vcon=3V DC characteristics Characteristics Gate current (Pin 4) Vg=-4V Control current (Pin 6) Vg=-4V; Vcon=0V...3V Supply current Vg = 


























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