GaAs MMICs GN01038B GaAs IC (with built-in ferroelectric) For the preamplifier of the transmitting section in a cellular phone unit: mm +0.2 2.8 –0.3 +0.25 1.5 –0.05 0.65±0.15 0.5 –0.05 1 +0.2 2.9 –0.05 1.9±0.1 0.95 0.95 +0.1 +0.1 6 5 2 4 3 1.45±0.1 0.65±0.15 ● Low-noise amplifier with AGC ● Operated by a single positive power supply ● Low distortion characteristics 0.3 –0.05 ■ Features VDD 8 V Gate control voltage VAGC 0 to 2 V Circuit current IDD 40 mA Max input power Pin −5 dBm Allowable power dissipation PD 0.2 W Operating temperature Topr −30 to +90 °C Storage temperature Tstg −40 to +120 °C ■ Electrical Characteristics (VDD = 3V, Ta = 25 ± 2°C) Parameter Symbol Test method Circuit current Power gain 1: Source 4: VAGC 2: GND 5: GND 3: VDD 6: RF IN EIAJ: SC-74 Mini Type Package (6-pin) Marking Symbol: ID min VAGC = 1.5V 8 PG1 VAGC = 1.5V, f = 948MHz 10 PG2 VAGC = 0V, f = 948MHz (1), (2) PG4 VAGC = 1.5V, f = 1441MHz (1), (3) DR2 DM typ 7 max Unit 20 mA 12 −27 dB −20 11 −23 VAGC = 0V, f = 1441MHz DR1 Modulation distortion 0.1 to 0.3 0.4±0.2 ID PG3 Dynamic range Conditions +0.1 Power supply voltage 0.16–0.06 Unit 0 to 0.05 Ratings 0.8 Symbol 1.1–0.1 Parameter +0.2 ■ Absolute Maximum Ratings (Ta = 25°C) dB dB −15 dB PG1 − PG2 33 39 dB PG3 − PG4 28 34 dB (1), (2), (3) VAGC = 1.5V, f = 948MHz −68 −60 dBc Test method (1): The measurement circuit diagram is shown below. Input power (Pin) = −15dBm. (2): Items for sampling control. (AQL = 0.65%) (3): Design-guaranteed items. (4): 21kHz bandwidth at ±50kHz detuning. (5): The source pin (Pin No. 1) should be open or should be connected to the GND through a capacitor. ■ Measurement Circuit VAGC RF IN R C C 4 5 6 G N 0 1 0 3 8 B 3 RF OUT C 2 (Component values) C = 100pF R = 4.7kΩ L = 8.2nH 1 L C VDD 1 GaAs MMICs GN01038B Pout, DM VAGC, Pin Pout –20 f=948MHz VD=3V –40 DM –50 –48 –10 –52 Pin=–20dBm Pin=–15dBm Pin=–10dBm –30 0 –56 –60 –64 Pout (dBm) –10 –44 DM 50kHz (dBc) 0 Pout (dBm) 10 –40 –40 Ta=–25˚C Ta=25˚C Ta=75˚C –44 –48 Pout –20 –52 f=948MHz VD=3V Pin=–10dBm –30 –40 –56 –60 –50 –64 DM –60 –70 0 –68 –60 –72 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 –70 VAGC (V) 2 –68 0 –72 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 VAGC (V) DM 50kHz (dBc) 10 Pout, DM VAGC, Ta