CHT4660-QAG

CHT4660-QAG UMS | Alldatasheet

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Technical content

Ref: DSCHT4660QAG0211- 30 Jul 2010 1/18 Specificati ons subject to change without notice United Monolithic Semiconductors S.A.S. Route Départementale 128 - BP46 - 91401 Orsay Cedex France Tel.: +33 (0) 1 69 33 03 08 - Fax: +33 (0) 1 69 33 03 09 DC-16GHz Attenuator GaAs Monolithic Microwave IC in SMD leadless package

Description

The CHT4660-QAG is a DC-16GHz variable attenuator designed for a wide range of applications, from military to commercial communication systems. The circuit is manufactured with a MESFET process, 0.7µm gate length, via holes through the substrate and air bridges. It is supplied in lead-free package. Main Features ■ Broadband performance: DC-16GHz ■ 24dBm typical input 1dB compression point (any attenuation) ■ 30dB dynamic range ■ DC bias: -5V<V1<0V; -5V<V2<0V ■ Package type: 16L-QFN3x3 ■ MSL 1 Attenuation versus frequency & V1, V2 Main Characteristics Tamb = +25° C Symbol Parameter Min Typ Max Unit Fin Input frequency range DC 16 GHz Min Att. |S21| (V1=-5V;V2=-5V) 2 dB Max Att. |S21| (V1=0V;V2=0V) 32 dB Pin1dB Input 1dB compression point (any attenuation) 24 dBm ESD Protections: Electrostatic discharge sensitive device observe handling precautions! UMS T4660 YYWW /box3/box3 /box3/box3/box3/box3 /box3/box3

CHT4660-QAG DC-16GHz Attenuator Ref : DSCHT4660QAG0211- 30 Jul 2010 2/18 Specificat ions subject to change without notice Route Départementale 128, BP46 - 91401 ORSAY Cedex - FRANCE Tel.: +33 (0) 1 69 33 03 08 - Fax: +33 (0) 1 69 33 03 09

Electrical Characteristics

Tamb = +25° C Symbol Parameter Min Typ Max Unit Fin Input frequency range DC 16 GHz Min Att. |S21| (V1=-5V;V2=-5V) (DC to 4GHz) |S21| (V1=-5V;V2=-5V) (4 to 20GHz) dB dB Max Att. |S21| (V1=0V;V2=0V) (DC to 2GHz) |S21| (V1=0V;V2=0V) (2 to 4GHz) |S21| (V1=0V;V2=0V) (4 to 9GHz) |S21| (V1=0V;V2=0V) (9 to 16GHz) dB dB dB dB RLin Input return loss (any att.) (DC to 4GHz) Input return loss (any att.) (4 to 7GHz) Input return loss (any att.) (7 to 16GHz) dB dB dB RLout Output return loss (any att.) (DC to 4GHz) Output return loss (any att.) (4 to 7GHz) Output return loss (any att.) (7 to 16GHz) -10 dB dB dB Pin1dB Input 1dB compression (any att.) (DC to 4GHz) Input 1dB compression (any att.) (4 to 16GHz) dBm dBm C/I3 C/I3@ Pin/tone=0 dBm (any att.) (DC to 4GHz) C/I3@Pin/tone=0 dBm (any att.) (4 to 16GHz) dB dB IIP3 IIP3 (any att.) (DC to 4GHz) IIP3 (any att.) (4 to 16GHz) dB dB V1, V2 Voltage control range -5 0 V These values are representative of onboard measurements as defined on the drawing paragraph “Evaluation mother board”.

DC-16GHz Attenuator CHT4660-QAG Ref. : DSCHT4660QAG0211- 30 Jul 2010 3/18 Specifica tions subject to change without notice Route Départementale 128, BP46 - 91401 ORSAY Cedex - FRANCE Tel.: +33 (0) 1 69 33 03 08 - Fax: +33 (0) 1 69 33 03 09 Absolute Maximum Ratings (1) Tamb = +25° C Symbol Parameter Values Unit V1 V1 control voltage -6V to +0.6V V V2 V2 control voltage -6V to +0.6V V Pin RF input power 30 dBm Ta Operating temperature range (reference on ground paddle) -40 to +85 ° C Tstg Storage temperature range -55 to +155 ° C (1) Operation of this device above anyone of these parameters may cause permanent damage. Typical biasing conditions Tamb = +25° C Symbol Pin No. Parameter Values Unit V1 6 V1 control voltage -5 to 0 V V2 7 V2 control voltage -5 to 0 V

CHT4660-QAG DC-16GHz Attenuator Ref : DSCHT4660QAG0211- 30 Jul 2010 4/18 Specificat ions subject to change without notice Route Départementale 128, BP46 - 91401 ORSAY Cedex - FRANCE Tel.: +33 (0) 1 69 33 03 08 - Fax: +33 (0) 1 69 33 03 09 Typical Package Sij parameters Tamb = +25° C, V1 = -5V & V2= -5V – Minimum attenuation Freq dBS11 PhS11 dBS12 PhS12 dBS21 PhS21 dBS22 PhS22

DC-16GHz Attenuator CHT4660-QAG Ref. : DSCHT4660QAG0211- 30 Jul 2010 5/18 Specifica tions subject to change without notice Route Départementale 128, BP46 - 91401 ORSAY Cedex - FRANCE Tel.: +33 (0) 1 69 33 03 08 - Fax: +33 (0) 1 69 33 03 09 Tamb = +25° C, V1 = 0V & V2= 0V – Maximum attenuation Freq dBS11 PhS11 dBS12 PhS12 dBS21 PhS21 dBS22 PhS22 The Sij measurement calibration planes are defined in the paragraph “Definition of the Sij reference planes”.

CHT4660-QAG DC-16GHz Attenuator Ref : DSCHT4660QAG0211- 30 Jul 2010 6/18 Specificat ions subject to change without notice Route Départementale 128, BP46 - 91401 ORSAY Cedex - FRANCE Tel.: +33 (0) 1 69 33 03 08 - Fax: +33 (0) 1 69 33 03 09 Typical Measured Performances Tamb = +25° C, Measurements in the package access planes Attenuation versus frequency (down to 50MHz) V1 = -5V to 0V & V2= -5V and after V1= 0V & V2 = -5V to 0V A : V1 = -5V to 0V & V2= -5V B : V1= 0V & V2 = -5V to 0V A B

DC-16GHz Attenuator CHT4660-QAG Ref. : DSCHT4660QAG0211- 30 Jul 2010 7/18 Specifica tions subject to change without notice Route Départementale 128, BP46 - 91401 ORSAY Cedex - FRANCE Tel.: +33 (0) 1 69 33 03 08 - Fax: +33 (0) 1 69 33 03 09 Input Return loss versus frequency in total attenuation range Output Return loss versus frequency in total attenuation range Maximum attenuation Minimum attenuation Maximum attenuation Minimum attenuation

CHT4660-QAG DC-16GHz Attenuator Ref : DSCHT4660QAG0211- 30 Jul 2010 8/18 Specificat ions subject to change without notice Route Départementale 128, BP46 - 91401 ORSAY Cedex - FRANCE Tel.: +33 (0) 1 69 33 03 08 - Fax: +33 (0) 1 69 33 03 09 Attenuation control with V2=-5V Attenuation control with V1=0V 0.05GHz 4GHz 16GHz 0.05GHz 4GHz 16GHz

DC-16GHz Attenuator CHT4660-QAG Ref. : DSCHT4660QAG0211- 30 Jul 2010 9/18 Specifica tions subject to change without notice Route Départementale 128, BP46 - 91401 ORSAY Cedex - FRANCE Tel.: +33 (0) 1 69 33 03 08 - Fax: +33 (0) 1 69 33 03 09 Attenuation versus input power @ 0.7GHz V1 = -5V to 0V & V2= -5V and after V1= 0V & V2 = -5V to 0V Attenuation versus input power @ 4GHz V1 = -5V to 0V & V2= -5V and after V1= 0V & V2 = -5V to 0V

CHT4660-QAG DC-16GHz Attenuator Ref : DSCHT4660QAG0211- 30 Jul 2010 10/18 Specifica tions subject to change without notice Route Départementale 128, BP46 - 91401 ORSAY Cedex - FRANCE Tel.: +33 (0) 1 69 33 03 08 - Fax: +33 (0) 1 69 33 03 09 Attenuation versus input power @ 16GHz V1 = -5V to 0V & V2= -5V and after V1= 0V & V2 = -5V to 0V Input IP3 versus input power V1 = -3.5V & V2= -5V (worst case area for the linearity) -5 -3 -1 1 3 5 7 9 Double Input power (dBm) Input IP3 (dBm) 0.5GHz 4GHz 8GHz 12GHz 16GHz

DC-16GHz Attenuator CHT4660-QAG Ref. : DSCHT4660QAG0211- 30 Jul 2010 11/18 Specifications subject to change without notice Route Départementale 128, BP46 - 91401 ORSAY Cedex - FRANCE Tel.: +33 (0) 1 69 33 03 08 - Fax: +33 (0) 1 69 33 03 09 C/I3 versus input power V1 = -3.5V & V2= -5V (worst case area for the linearity) -5 -3 -1 1 3 5 7 9 Double Input power (dBm) C/I3 (dB) 0.5GHz 4GHz 8GHz 12GHz 16GHz

CHT4660-QAG DC-16GHz Attenuator Ref : DSCHT4660QAG0211- 30 Jul 2010 12/18 Specifica tions subject to change without notice Route Départementale 128, BP46 - 91401 ORSAY Cedex - FRANCE Tel.: +33 (0) 1 69 33 03 08 - Fax: +33 (0) 1 69 33 03 09 Typical Measured Performances in temperature Measurements in the package access planes Attenuation versus input power @ 0.7GHz Attenuation versus input power @ 4GHz V1=V2=-5V V1=0V / V2=-5V V1=V2=0V V1=V2=-5V V1=V2=0V V1=0V / V2=-5V -40° C +25° C +85° C -40° C -40° C +25° C +85° C +25° C +85° C +85° C

DC-16GHz Attenuator CHT4660-QAG Ref. : DSCHT4660QAG0211- 30 Jul 2010 13/18 Specifications subject to change without notice Route Départementale 128, BP46 - 91401 ORSAY Cedex - FRANCE Tel.: +33 (0) 1 69 33 03 08 - Fax: +33 (0) 1 69 33 03 09 Attenuation versus input power @ 16GHz Input IP3 versus input power @ 0.5GHz -5 -3 -1 1 3 5 7 9 Double Input power (dBm) Input IP3 (dBm) V1=V2=-5V V1=V2=0V V1=0V / V2=-5V -40° C +25° C +85° C +85° C

CHT4660-QAG DC-16GHz Attenuator Ref : DSCHT4660QAG0211- 30 Jul 2010 14/18 Specifica tions subject to change without notice Route Départementale 128, BP46 - 91401 ORSAY Cedex - FRANCE Tel.: +33 (0) 1 69 33 03 08 - Fax: +33 (0) 1 69 33 03 09 Input IP3 versus input power @ 16GHz -5 -3 -1 1 3 5 7 9 Double Input power (dBm) Input IP3 (dBm)

DC-16GHz Attenuator CHT4660-QAG Ref. : DSCHT4660QAG0211- 30 Jul 2010 15/18 Specifications subject to change without notice Route Départementale 128, BP46 - 91401 ORSAY Cedex - FRANCE Tel.: +33 (0) 1 69 33 03 08 - Fax: +33 (0) 1 69 33 03 09 Package outline (1) Matt tin, Lead Free (Green) 1- Gnd (2) 9- Gnd (2) Units mm 2- Gnd (2) 10- RF Out From the standard JEDEC MO-220 3- RF In 11- Gnd (2) (VEED) 4- Gnd (2) 12- Gnd (2) 17- GND 5- NC 13- NC 6- V1 14- NC 7- V2 15- NC 8- NC 16- NC (1) The package outline drawing included to this data-sheet is given for indication. Refer to the application note AN0017 available at http://www.ums-gaas.com for exact package dimensions. (2) It is strongly recommended to ground the Gnd pins on the PCB board. T4660

CHT4660-QAG DC-16GHz Attenuator Ref : DSCHT4660QAG0211- 30 Jul 2010 16/18 Specifica tions subject to change without notice Route Départementale 128, BP46 - 91401 ORSAY Cedex - FRANCE Tel.: +33 (0) 1 69 33 03 08 - Fax: +33 (0) 1 69 33 03 09 Definition of the Sij reference planes The reference planes used for Sij measurements given above are symmetrical from the symmetrical axis of the package (see drawing beside). The input and output reference planes are located at 2.65mm offset (input wise and output wise respectively) from this axis. Then, the given Sij parameters incorporate the land pattern of the evaluation motherboard recommended at the page 18. Recommended package footprint Refer to the application note AN0017 available at http://www.ums-gaas.com for package foot print recommendations. SMD mounting procedure The SMD leadless package has been designed for high volume surface mount PCB assembly process. The dimensions and footprint required for the PCB (motherboard) are given in the drawings above. For the mounting process standard techniques involving solder paste and a suitable reflow process can be used. For further details, see application note AN0017. Recommended ESD management Refer to the application note AN0020 available at http://www.ums-gaas.com for ESD sensitivity and handling recommendations for the UMS package products. Recommended environmental management Refer to the application note AN0019 available at http://www.ums-gaas.com for environmental data on UMS package products.

DC-16GHz Attenuator CHT4660-QAG Ref. : DSCHT4660QAG0211- 30 Jul 2010 17/18 Specifications subject to change without notice Route Départementale 128, BP46 - 91401 ORSAY Cedex - FRANCE Tel.: +33 (0) 1 69 33 03 08 - Fax: +33 (0) 1 69 33 03 09 Packaged part biasing options To obtain good performances in linearity, biasing voltage should be applied as following: - Control of 1 st stage attenuation with V1 from –5V to 0V, with V2 fixed at -5V - Control of 2 nd stage with V2 from –5V to 0V, with V1 fixed at 0V … … V1 V1 V1 V1 V2 V2 V2 V2 … … V1 V1 V1 V1 V2 V2 V2 V2 -5V Attenuation Min. Max. Voltage -5V Attenuation Min. Max. Voltage The RF ports are not DC blocked. There are no DC capacitors in the package. Note This part could be also driven in Single Voltage Control, applying the same voltage from -5V to 0V on V1 and V2, leading to lower linearity performances. RF IN RF OUT

CHT4660-QAG DC-16GHz Attenuator Ref : DSCHT4660QAG0211- 30 Jul 2010 18/18 Specifica tions subject to change without notice Route Départementale 128, BP46 - 91401 ORSAY Cedex - FRANCE Tel.: +33 (0) 1 69 33 03 08 - Fax: +33 (0) 1 69 33 03 09 Evaluation mother board /head2right Compatible with the proposed footprint /head2right Based on typically Ro4003 / 8mils or equivalent /head2right Using a microstrip to coplanar transition to access the package /head2right Recommended for the implementation of this product on a module board /head2right Decoupling capacitors of 10nF ±10% are recommended for all DC accesses /head2right (See application note AN0017 for details)

Ordering Information

QFN 3x3 RoHS compliant package: CHT4660-QAG/XY Stick: XY = 20 Tape & reel: XY = 21 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. V1 V2 10nF ±10% capacitors