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| PRELIMINARY Wideband Linear Amplifier THM2004J SiGe HBT MMIC Wideband Linear Amplifier Descriptions THM2004J is a high performance cascadeable 50-ohm amplifier. This RFIC uses the latest Silicon Germanium Hetero Junction Bipolar Transistor (TAHB09) process of Tachyonics Co., which has 30GHz fT(Normal). THM2004J uses a multi feedback cascade amplifier topology with resistive feedback for broad band performance as well as stability over its entire temperature range. THM2004J also has internally matched 50 ohm impedance and wide bandwidth. Features - Wide band operation : f3dB = 2.2GHz - Single Voltage Supply - Internally Matched to 50 Ohm Input & Output - High Power Gain : 25dB at 1000MHz - Saturated Output Power : Po(sat) = +12dBm at 1000MHz Applications - DBS, LNB , Medium Output - Transmission Stage Buffer (Mobile Communication) - IF/RF Buffer Amplifier Function Block Diagram C L SOT363 cc V U 05 IN C 1 6 4 C U 05 T UO Amp 5 ,3 2 GND 60-8, Gasan-dong, Kumchun-Gu, Seoul, Korea. 153-023 May. 2004. Tel : 82-2-818-9832 Fax : 82-2-818-9635 http://www.tachyonics.co.kr Rev. 1.0 Page 1 of 8 PRELIMINARY Pin Configuration Wideband Linear Amplifier THM2004J Top View Bottom View 6 5 4 1 2 3 1 2 3 6 5 4 T04 Name IN GND GND OUT GND CC V Pin Description Pin No. Description 1 RF SIGNAL INPUT 2 GROUND 3 GROUND 4 RF SIGNAL OUTPUT 5 GROUND 6 POWER SUPPLY 60-8, Gasan-dong, Kumchun-Gu, Seoul, Korea. 153-023 May. 2004. Tel : 82-2-818-9832 Fax : 82-2-818-9635 http://www.tachyonics.co.kr Rev. 1.0 Page 2 of 8 PRELIMINARY Pin Explanation Applied Voltage [V] Pin Voltage [V] Wideband Linear Amplifier THM2004J Pin No Pin Name Function Internal equivalent circuit 1 IN - 0.98 Signal Input pin. A internal matching circuit, configured with resistors, enables 50 O impedance connection over a wide band. This pin must be coupled to signal source with capacitor for DC blocking. i e Signal output pin. The inductor must be connected between pin VCC and OUT for Output TR BIAS and output choke. A internal matching circuit, configured with resistors, enables 50 O impedance connection over a wide band. This pin must be coupled to next stage input with capacitor for DC blocking. 4 OUT 4.5~5.5 - c 6 VCC 4.5~5.5 - CD power supply pin. This pin should be externally connected to bypass capacitor to minimize ground impedance. Ground pins. This pins should be connected to system ground with minimum inductance. All the ground pins must be connected common with wide ground pattern to minimized impedance difference - e e 2 3 5 GND 0 Note : Pin voltage is measured at Vcc = 5.0 V 60-8, Gasan-dong, Kumchun-Gu, Seoul, Korea. 153-023 May. 2004. Tel : 82-2-818-9832 Fax : 82-2-818-9635 http://www.tachyonics.co.kr Rev. 1.0 Page 3 of 8 PRELIMINARY Wideband Linear Amplifier THM2004J Absolute Maximum Ratings Parameter Supply Voltage Supply Current RF Input Power Operation Temperature Range Maximum Junction Temperature Storage Temperature Range Rating 6 60 +10 -40 to +85 E E E +150 -55 to +150 Unit V mA dBm Electrical Characteristics (TA = 25E , VCC = 5V , L1 = 220nH, ZS = ZL = 50) Specification Symbol Parameter Condition Min. 2000 Typ. 2200 Max. Unit f3dB Gp Upper 3dB cut off frequency Power Gain Saturated output power Input Return Loss f = 1000MHz MHz 22 25 27 dB PO(sat) RLIN RLOUT NF f = 1000MHz +9 +12 - dBm f = 1000MHz 9 16 - dB Output Return Loss f = 1000MHz 7 13 - dB Noise Figure f = 1000MHz - 4.0 6.0 dB ISL ICC Isolation Bias Current f = 1000MHz No Input Signal 26 19 32 25 32 dB mA 60-8, Gasan-dong, Kumchun-Gu, Seoul, Korea. 153-023 May. 2004. Tel : 82-2-818-9832 Fax : 82-2-818-9635 http://www.tachyonics.co.kr Rev. 1.0 Page 4 of 8 PRELIMINARY Typical Characteristics Wideband Linear Amplifier THM2004J Input Reflection Coefficient Output Reflection Coefficient Fig1. Input/Output Impedance -10 -12 dB(S(1,1)) -10 -15 -14 -16 -18 dB(S(2,2)) -20 -25 -20 -22 0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 -30 0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 freq, GHz Fig2. Input/Output Return Loss -10 -15 freq, GHz 30 25 dB(S(2,1)) 20 dB(S(1,2)) 0.0 0.5 1.0 1.5 2.0 2.5 3.0 -20 -25 -30 -35 15 10 -40 0.0 0.5 1.0 1.5 2.0 2.5 3.0 freq, GHz freq, GHz Fig3. Small Signal Gain 60-8, Gasan-dong, Kumchun-Gu, Seoul, Korea. 153-023 May. 2004. Tel : 82-2-818-9832 Fax : 82-2-818-9635 Fig4. Isolation http://www.tachyonics.co.kr Rev. 1.0 Page 5 of 8 PRELIMINARY Typical Characteristics 15 10 5 Pout dBm] [ 0 5 10 15 20 35 30 - Wideband Linear Amplifier THM2004J 25 - 20 - 15 - 10 - 5 - 0 5 10 P in [dBm] Fig5. 1000MHz Power Sweep 15 10 5 Pout dBm [ ] 0 5 - 10 - 15 - 20 35 30 25 20 15 10 5 0 5 10 P in [dBm] Fig6. 2000MHz Power Sweep 60-8, Gasan-dong, Kumchun-Gu, Seoul, Korea. 153-023 May. 2004. Tel : 82-2-818-9832 Fax : 82-2-818-9635 http://www.tachyonics.co.kr Rev. 1.0 Page 6 of 8 PRELIMINARY Typical Characteristics Wideband Linear Amplifier THM2004J 01 9 8 7 ) 6 NF[dB] thick ( 5 4 3 2 1 0 0 .0 0 .1 Freq [GHz ] 0 .2 0 .3 Fig7. Noise Figure 60-8, Gasan-dong, Kumchun-Gu, Seoul, Korea. 153-023 May. 2004. Tel : 82-2-818-9832 Fax : 82-2-818-9635 http://www.tachyonics.co.kr Rev. 1.0 Page 7 of 8 PRELIMINARY Test Circuit Wideband Linear Amplifier THM2004J Evaluation Board Board Size 30 x 30 mm2 cc V C L 6 U05 IN C 1 4 Amp T UO 5, 3 2 GND C U05 NOTE Board Thickness 0.3mm Board Material FR4 Double Layer Component List Name C L Value 1000 pF 220 nH Remark 100MHz or higher frequency 100MHz or higher frequency 60-8, Gasan-dong, Kumchun-Gu, Seoul, Korea. 153-023 May. 2004. Tel : 82-2-818-9832 Fax : 82-2-818-9635 http://www.tachyonics.co.kr Rev. 1.0 Page 8 of 8 |
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