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CHA5093TCF

CHA5093TCF

  • 厂商:

    UMS

  • 封装:

  • 描述:

    CHA5093TCF - 24-26GHz High Power Amplifier - United Monolithic Semiconductors

  • 数据手册
  • 价格&库存
CHA5093TCF 数据手册
CHA5093TCF 24-26GHz High Power Amplifier GaAs Monolithic Microwave IC in SMD leadless package Description The packaged monolithic microwave IC (MMIC) is a high gain three-stage monolithic high power amplifier. It is designed for a wide range of applications, from military to commercial communication systems. The circuit is manufactured with a PMHEMT process, 0.25µm gate length, via holes through the substrate, air bridges and electron beam gate lithography. It is supplied in a new SMD leadless chip carrier. Main Features ■ Performances: 24-26GHz ■ Gain = 19dB (typical) ■ Output power (P-1dB) 29dBm (typical) ■ SMD leadless package ■ Dimensions: 6.35 x 6.35 x 0.97 mm3 SMD Package Dimensions "Please note that PIN 1 is located in the lower left corner of the package (front-side view) for all SMD-type packages from United Monolithic Semiconductors. It is indicated by a triangle on the package lid. Starting with PIN 1 the other pads are numbered counter-clockwise (front-side view). ATTENTION: The dot on the backside of the package (i.e. side with metallic pads) is just for fabrication purposes and does NOT indicate the location of PIN Ref. : DSCHA50932035 - 04-Feb.-02 1/6 Specifications subject to change without notice United Monolithic Semiconductors S.A.S. Route Départementale 128 - B.P.46 - 91401 Orsay Cedex France Tel. : +33 (0)1 69 33 03 08 - Fax : +33 (0)1 69 33 03 09 CHA5093TCF Schematic CHA5093TCF 24-26GHz High Power Amplifier Vd1,2 Vd3 RF RF IN RF OUT Vg1,2,3 Vd3 Typical Bias Conditions for an ambient Temperature of +25°C Symbol Vd1,2,3 Vg1,2,3 Idd Pin No. 2, 4 & 8 10 2,4 & 8 Drain bias voltage First, second & third stages gate bias voltage Total drain current Parameter Values 6 -0.4 600 Unit V V mA All other pins are not used for this device. Absolute Maximum Ratings Tamb. = 25°C (1) Symbol Vds Ids Vgs Vdg Pin Ta Tstg (1) (2) (3) (4) Parameter Drain bias voltage_small signal Drain bias current_small signal Gate bias voltage Negative Drain Gate voltage (= Vds – Vgs) Maximum peak input power overdrive (3) Operating temperature range (4) Storage temperature range Values 6.0 1200 -2 to +0.4 +8 +12 -40 to +70 -55 to +155 Unit V mA V V dBm °C °C Operation of this device above anyone of these parameters may cause permanent damage. 6V recommended for up to a max of 1dB gain compression. Duration < 1s. Upper temperature limit strongly dependent on motherboard design; ratings given for ideal thermal coupling 2/6 Specifications subject to change without notice Ref. : DSCHA50932035 - 04-Feb.-02 Route Départementale 128 , B.P.46 - 91401 ORSAY Cedex - FRANCE Tel.: +33 (0)1 69 33 03 08 - Fax : +33 (0)1 69 33 03 09 24-26GHz High Power Amplifier Vd=6V, Id adjusted at 600mA Gain versus output power 23 22 21 20 19 18 Gain (dB) CHA5093TCF Typical results on PCB (recommended motherboard layout) 17 16 15 14 13 12 11 10 20 21 22 23 24 25 26 Pout (dBm) 27 28 29 30 31 32 23GHz 24GHz 25GHz 26GHz Footprint Ref. : DSCHA50932035 - 04-Feb.-02 3/6 Specifications subject to change without notice Route Départementale 128 , B.P.46 - 91401 ORSAY Cedex - FRANCE Tel.: +33 (0)1 69 33 03 08 - Fax : +33 (0)1 69 33 03 09 CHA5093TCF Application note 24-26GHz High Power Amplifier The design of the motherboard has a strong impact on the over all performance since the transition from the motherboard to the package is comparably large. In case of the SMD type packages of United Monolithic Semiconductors the motherboard should be designed according to the information given in the following to achieve good performance. Other configurations are also possible but can lead to different results. If you need advise please contact United Monolithic Semiconductors for further information. SMD type packages of UMS should allow design and fabrication of micro- and mmwave modules at low cost. Therefore, a suitable motherboard environment has been chosen. All tests and verifications have been performed on Rogers RO4003. This material exhibits a permittivity of 3.38 and has been used with a thickness of 200µm [8 mils] and a 1/2oz or less copper cladding. The corresponding 50 Ohm transmission line has a strip width of about 460µm [approx. 18 mils]. The contact areas on the motherboard for the package connections should be designed according to the footprint given above. The proper via structure under the ground pad is very important in order to achieve a good RF and lifetime performance. All tests have been done by using a grid of plenty plated through vias with a diameter of less than 200µm [8 mils] and a spacing of less than 400µm [16 mils] from the centres of two adjacent vias. The via grid should cover the whole space under the ground pad and the vias closest to the RF ports should be located near the edge of the pad to allow a good RF ground connection. Since the vias are important for heat transfer, a proper via filling should be guaranteed during the mounting procedure to get a low thermal resistance between package and heat sink. For power devices the use of heat slugs in the motherboard instead of a via grid is recommended. For the mounting process the SMD type package can be handled as a standard surface mount component. The use of either solder or conductive epoxy is possible. The solder thickness after reflow should be typical 50µm [2 mils] and the lateral alignment between the package and the motherboard should be within 50µm [2 mils]. Caution should be taken to obtain a good and reliable contact over the whole pad areas. Voids or other improper connections, in particular, between the ground pads of motherboard and package will lead to a deterioration of the RF performance and the heat dissipation. The latter effect can reduce drastically reliability and lifetime of the product. Ref. : DSCHA50932035 - 04-Feb.-02 4/6 Specifications subject to change without notice Route Départementale 128 , B.P.46 - 91401 ORSAY Cedex - FRANCE Tel.: +33 (0)1 69 33 03 08 - Fax : +33 (0)1 69 33 03 09 24-26GHz High Power Amplifier CHA5093TCF The RF ports comprise a DC blocking capacitor on chip level. The DC connections include a first level of DC decoupling capacitors (typically 120pF) in the package. However, all DC bias ports should be additionally connected to ground with 10nF capacitors at board level to prevent the MMIC from oscillations. These parts should be placed close to the SMD leadless package. If the same bias is required at different DC ports, the lines should only be connected behind these block capacitors. Further information on the application of the SMD leadless packages for GaAs monolithic microwave ICs are given in the UMS Application Note AN0005. Ref. : DSCHA50932035 - 04-Feb.-02 5/6 Specifications subject to change without notice Route Départementale 128 , B.P.46 - 91401 ORSAY Cedex - FRANCE Tel.: +33 (0)1 69 33 03 08 - Fax : +33 (0)1 69 33 03 09 CHA5093TCF 24-26GHz High Power Amplifier Ordering Information SMD leadless package form : CHA5093TCF/24 Information furnished is believed to be accurate and reliable. However United Monolithic Semiconductors S.A.S. assumes no responsibility for the consequences of use of such information nor for any infringement of patents or other rights of third parties which may result from its use. No license is granted by implication or otherwise under any patent or patent rights of United Monolithic Semiconductors S.A.S.. Specifications mentioned in this publication are subject to change without notice. This publication supersedes and replaces all information previously supplied. United Monolithic Semiconductors S.A.S. products are not authorised for use as critical components in life support devices or systems without express written approval from United Monolithic Semiconductors S.A.S. Ref. : DSCHA50932035 - 04-Feb.-02 6/6 Specifications subject to change without notice Route Départementale 128 , B.P.46 - 91401 ORSAY Cedex - FRANCE Tel.: +33 (0)1 69 33 03 08 - Fax : +33 (0)1 69 33 03 09
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