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CHA4664-QGG
RoHS COMPLIANT
5.5-16GHz Variable Gain Amplifier
GaAs Monolithic Microwave IC in SMD package Description
The CHA4664-QGG is a variable gain broadband three-stage monolithic amplifier. It is designed for a wide range of applications, typically commercial communication systems. The circuit is manufactured with a Power pHEMT process, 0.15m gate length, via holes through the substrate and air bridges. It is available in lead-free SMD package.
Gc1 Vg12 Gc2 Gc3 Vg3
Vd
RF in
RF out
Main Features
Broadband performance 5.5-16GHz 23dB Gain @ 7dB Noise Figure 23dB Gain control range 28dBm Output IP3 @ gain max 23dBm Output Power @ 1dB compression DC power consumption, 220mA @ 4.5V 28LQFN5x5 ESD protected (see page 14)
26 24 22 20 18
Linear Gain for different gain control voltages (Gc= Gc1 = Gc2 = Gc3)
Gc=-2V
Linear Gain (dB)
16 14 12 10 8 6 4 2 0 -2 -4 5 6 7 8 9 10 11 12 13 14 15 16 17
Gc=0.6V
Frequency (GHz)
Main Characteristics
Tamb. = 25 Vd = 4.5V C, Symbol Fop G Gctrl OIP3 P1dB Parameter Operating frequency range Small signal Gain Gain control Range Output Intercept Point order 3 @ gain max Output power at 1dB compression@ gain max
Typical On board measurements
Min 5.5
Typ
Max 16
Unit GHz dB dB dBm dBm
23 23 28 23
ESD Protection: Electrostatic discharge sensitive device. Observe handling precautions!
Ref: DSCHA4664-QGG8073 - 13 Mar 08 1/16 Specifications subject to change without notice
United Monolithic Semiconductors S.A.S.
Route Departementale 128 - B.P.46 - 91401 Orsay Cedex France Tel. : +33 (0)1 69 33 03 08 - Fax : +33 (0)1 69 33 03 09
CHA4664-QGG
Electrical Characteristics
5.5-16GHz Variable Gain Amplifier
Tamb. = 25 Vd = 4.5V, Gc= Gc1 = Gc2 = Gc3, CW bi asing mode. C, These values are representative of onboard measurements as defined on page13. Symbol Fop G Parameter Operating frequency range Nominal Gain @ gain max. from 5.5 to 14GHz from 14 to 16GHz NF Noise Figure @ gain max. Noise Figure @ gain min. RLin RLout Input Return Loss Output Return Loss from 5.5 to 11GHz from 11 to 16GHz OIP3_Gmax Output Intercept Point order 3 @ gain max. with Pout SCL [14-17]dBm Output Intercept Point order 3 @ gain max. with Pout SCL < 14dBm from 5.5 to 11GHz Output Intercept Point order 3 @ gain max. with Pout SCL < 14dBm from 11 to 16GHz OIP3_Gmin Output Intercept Point order 3 @ gain max. from 5.5 to 7GHz Output Intercept Point order 3 @ gain max. from 7 to 11GHz Output Intercept Point order 3 @ gain max. from 11 to 16GHz P1dB Gctrl Vd Id Vg Gc Output power at 1dB gain comp. @ gain max. Gain control range from 7 to 16GHz Drain bias voltage Drain bias current (*) DC gate voltage DC gain control voltage -2 Min 5.5 23 22 7 20 8 6 8 30 28 26 26 22 18 23 23 4.5 220 -1.3 +0,6 Typ Max 16 Unit GHz dB dB dB dB dB dB dB dBm dBm dBm dBm dBm dBm dBm dB V mA V V
(*) Id not affected by Gc.
Ref: DSCHA4664-QGG8073 - 13 Mar 08
2/16
Specifications subject to change without notice
Route Departementale 128 , B.P.46 - 91401 ORSAY Cedex - FRANCE Tel.: +33 (0)1 69 33 03 08 - Fax : +33 (0)1 69 33 03 09
5.5-16GHz Variable Gain Amplifier
Absolute Maximum Ratings (1)
Tamb. = + 25 C Symbol Vd Id Vg Gc Pin Top
Tj
CHA4664-QGG
Parameter Maximum Drain bias voltage Power supply quiescent current Gate bias voltage DC gain controle voltage Maximum input power overdrive Operating temperature range Junction temperature (2) Storage temperature range
Values +5 250 -4 to +0.8 -2.5 to +0.8 +7 -40 to +80 175 -55 to +125
Unit V mA V V dBm C
C
Tstg
C
(1) Operation of this device above anyone of these parameters may cause permanent damage. (2) Thermal Resistance channel to ground paddle =91.4 C/W for Tamb. = +80 C.
DEVICE THERMAL SPECIFICATION : CHA4664-QGG Max. junction temperature (Tj max) : 171 C Max. continuous dissipated power @ Tcase= 80 : C 0.999 W => Pdiss derating above Tcase= 80 : C 11.03 mW/ C Device thermal resistance (Rth) : 90.64 C/W Min. package back side operating temperature : -40 C Max. package back side operating temperature : 80 C Min. storage temperature : -55 C Max. storage temperature : 125 C
1.2 1 0.8 0.6 Pdiss. Max. (W) 0.4 0.2 0 150
Pdiss. Max. (W)
-50
-25
0
25
50
75
100
125
Tcase ( C)
Ref: DSCHA4664-QGG8073 - 13 Mar 08
3/16
Specifications subject to change without notice
Route Departementale 128 , B.P.46 - 91401 ORSAY Cedex - FRANCE Tel.: +33 (0)1 69 33 03 08 - Fax : +33 (0)1 69 33 03 09
CHA4664-QGG
5.5-16GHz Variable Gain Amplifier
Typical Measured Performance
Tamb = + 25 Vd = +4.5V, Id = 220mA C, Measurements in the package access planes, using the proposed land pattern & board 97364, as defined page 15.
Linear Gain versus frequency
26 24 22 20 18 16 14 12 10 8 6 4 2 0 -2 -4 5 6 7 8 9 10 11 12 13 14 15 16 17
Gain @ different Gc (dB) (Gc = Gc1 = Gc2 = Gc3)
Gc=-2V Gc=-1V Gc=-0.9V Gc=-0.8V Gc=-0.7V Gc=-0.6V Gc=-0.4V Gc=0V Gc=0.6V
Frequency (GHz)
Linear Gain versus Gain control voltage (Gc = Gc1 = Gc2 = Gc3)
26 24 22 20 18 16 14 12 10 8 6 4 2 0 -2 -4 -2.0
Gain @ different frequencies (dB)
5.5GHz 7GHz 12GHz 16GHz
-1.8
-1.6
-1.4
-1.2
-1.0
-0.8
-0.6
-0.4
-0.2
0.0
0.2
0.4
0.6
DC Gain control voltage (V)
Ref: DSCHA4664-QGG8073 - 13 Mar 08
4/16
Specifications subject to change without notice
Route Departementale 128 , B.P.46 - 91401 ORSAY Cedex - FRANCE Tel.: +33 (0)1 69 33 03 08 - Fax : +33 (0)1 69 33 03 09
5.5-16GHz Variable Gain Amplifier
CHA4664-QGG
26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 5 6 7
Gain control range versus frequency
Gctrl for Gcmax=0.6V & Gcmax=0V (dB)
Gcmax=+0.6V
Gcmax=0V
8
9
10
11
12
13
14
15
16
17
Frequency (GHz)
Gain & Return Losses @ Gcmin & Gcmax (Gc= Gc1 = Gc2 = Gc3)
30 S11 @ Gc=-2V 25 S11 @ Gc=0.6V
Gain & Return Losses (dB)
20 S22 @ Gc=-2V 15 10 5 0 -5 -10 -15 -20 -25 2 4 6 8 10 12 14 16 18 20 22 24 26 28 30 S22 @ Gc=0.6V S21 @ Gc=-2V S21 @ Gc=0.6V
Frequency (GHz)
Ref: DSCHA4664-QGG8073 - 13 Mar 08
5/16
Specifications subject to change without notice
Route Departementale 128 , B.P.46 - 91401 ORSAY Cedex - FRANCE Tel.: +33 (0)1 69 33 03 08 - Fax : +33 (0)1 69 33 03 09
CHA4664-QGG
5.5-16GHz Variable Gain Amplifier
Typical Package Sij parameters for minimum gain control voltage
Tamb = + 25 Vd = +4.5V, Id = 220 mA, Gc= Gc1 = G c2 = Gc3 = -2V C,
F (GHz) 2 2.5 3 3.5 4 4.5 5 5.5 6 6.5 7 7.5 8 8.5 9 9.5 10 10.5 11 11.5 12 12.5 13 13.5 14 14.5 15 15.5 16 16.5 17 17.5 18 18.5 19 19.5 20 20.5 21 21.5 22 22.5 23 23.5 24 24.5 25 25.5 26 26.5 27 27.5 28 28.5 29 29.5 30 dB(S11) Ph(S11) ( ) -4.5 33 -5.5 -3 -7.0 -41 -8.8 -80 -11.1 -125 -14.5 179 -17.4 93 -14.9 9 -12.1 -43 -10.1 -78 -9.2 -108 -8.7 -132 -8.6 -156 -8.2 -178 -8.5 161 -9.0 139 -10.3 117 -11.0 100 -12.2 79 -13.7 59 -15.8 40 -17.6 29 -18.5 13 -18.5 1 -18.8 -26 -17.0 -59 -16.5 -89 -15.7 -137 -13.3 -173 -11.1 152 -9.0 115 -8.8 80 -8.4 50 -8.2 29 -8.2 9 -7.8 -8 -8.0 -26 -6.9 -38 -6.3 -51 -6.3 -64 -6.6 -78 -6.4 -96 -5.8 -108 -6.3 -121 -7.1 -139 -7.1 -146 -8.3 -157 -9.5 -170 -11.1 180 -13.2 177 -14.6 -166 -14.6 -140 -11.1 -134 -7.3 -135 -5.3 -147 -4.0 -167 -4.0 175 dB(S12) Ph(S12) ( ) -71.6 -50 -64.2 -127 -77.0 154 -80.1 -41 -91.3 8 -76.0 107 -76.4 75 -66.8 96 -65.0 52 -64.7 38 -65.2 -6 -66.2 -31 -67.3 -67 -65.6 -136 -67.2 -178 -64.0 145 -65.4 114 -62.7 103 -67.0 70 -68.1 40 -75.3 59 -78.8 78 -65.8 114 -62.9 115 -60.2 120 -57.6 108 -54.4 103 -52.2 82 -50.0 54 -51.1 35 -51.2 21 -53.2 -3 -54.8 1 -54.5 11 -53.3 10 -53.3 0 -51.3 -21 -50.3 -43 -55.3 -54 -58.8 -80 -82.3 -89 -56.3 52 -50.9 31 -50.4 8 -51.1 -11 -48.2 5 -48.0 -20 -48.1 -26 -46.8 -34 -46.0 -31 -46.9 -43 -42.6 -46 -43.4 -63 -42.1 -73 -40.4 -81 -42.3 -115 -44.4 -120 dB(S21) -43.4 -28.0 -10.3 4.2 13.9 19.4 22.4 23.7 24.1 24.7 24.5 24.3 24.2 24.0 23.9 23.8 22.9 23.5 23.6 23.7 23.2 23.2 23.5 23.3 22.8 22.5 22.2 21.3 21.1 21.1 20.0 18.0 15.5 12.5 9.3 5.7 1.3 -2.8 -5.5 -8.1 -11.0 -14.4 -17.7 -20.9 -24.9 -27.5 -29.9 -33.5 -37.0 -36.6 -37.8 -38.0 -40.9 -44.7 -41.3 -44.0 -46.8 PhS21 ( ) 126 162 147 73 -12 -97 -174 118 57 6 -42 -86 -129 -170 151 112 72 38 2 -36 -77 -116 -153 168 129 90 51 7 -36 -80 -130 -179 134 89 46 6 -36 -63 -87 -119 -152 175 144 113 81 52 23 -6 -19 -30 -49 -73 -95 -87 -85 -125 -113 dB(S22) Ph(S22) ( ) -1.2 28 -1.2 -13 -1.4 -54 -2.5 -105 -6.4 -166 -15.0 116 -17.2 -1 -13.7 -51 -11.9 -78 -10.3 -96 -9.4 -113 -8.8 -129 -8.3 -144 -8.0 -161 -8.1 -179 -8.4 162 -9.2 143 -9.7 128 -10.6 113 -11.6 96 -13.2 76 -14.5 54 -15.5 32 -15.9 7 -16.8 -30 -15.8 -63 -14.9 -93 -14.0 -122 -13.4 -144 -12.3 -160 -11.4 -180 -10.9 164 -10.3 147 -9.8 127 -9.1 109 -8.9 90 -9.0 68 -8.7 53 -8.2 39 -7.5 21 -6.7 3 -6.2 -14 -5.8 -29 -5.4 -44 -5.3 -62 -4.6 -76 -4.9 -91 -5.1 -108 -5.4 -123 -6.8 -138 -9.9 -146 -13.6 -130 -9.4 -106 -5.5 -116 -3.8 -138 -3.4 -155 -3.7 -179
Refer to the "definition of the Sij reference planes" section below.
Ref: DSCHA4664-QGG8073 - 13 Mar 08 6/16 Specifications subject to change without notice
Route Departementale 128 , B.P.46 - 91401 ORSAY Cedex - FRANCE Tel.: +33 (0)1 69 33 03 08 - Fax : +33 (0)1 69 33 03 09
5.5-16GHz Variable Gain Amplifier
Typical Measured Performance:
Tamb = + 25 Vd = +4.5V, Id = 220mA C,
CHA4664-QGG
Measurements in the plan of the connectors, using the proposed land pattern & board 97364, as defined page 15.
Linear Gain versus Gain control voltage (Gcc = Gc1 = Gc2 = Gc3)
5.5GHz 7GHz 12GHz 16GHz
26 24
Gain @ different frequencies (dB)
22 20 18 16 14 12 10 8 6 4 2 0 -2 -4 -2.0 -1.8 -1.6 -1.4 -1.2 -1.0 -0.8 -0.6 -0.4 -0.2 0.0
0.2
0.4
0.6
DC Gain control voltage (V)
Noise Figure versus Gain control voltage (Gc = Gc1 = Gc2 = Gc3)
22 20 5.5GHz 18 16 14 12 10 8 6 4 2 -2.0 7GHz 12GHz 16GHz
NF @ different frequencies (dB)
-1.8
-1.6
-1.4
-1.2
-1.0
-0.8
-0.6
-0.4
-0.2
0.0
0.2
0.4
0.6
DC Gain control voltage (V)
Ref: DSCHA4664-QGG8073 - 13 Mar 08
7/16
Specifications subject to change without notice
Route Departementale 128 , B.P.46 - 91401 ORSAY Cedex - FRANCE Tel.: +33 (0)1 69 33 03 08 - Fax : +33 (0)1 69 33 03 09
CHA4664-QGG
5.5-16GHz Variable Gain Amplifier
26 24
Output power @ 1dB Gain compression versus Gain control voltage
Output P1dB (dBm)
22 20 18 16 14 12 10 -2.0 5.5GHz 7GHz 10GHz 13GHz 16GHz
-1.8
-1.6
-1.4
-1.2
-1.0
-0.8
-0.6
-0.4
-0.2
0.0
0.2
0.4
0.6
DC Gain control voltage (V)
Output IP3 versus Output power @ 5.5GHz
36 34 32 30 28
IP3 (dBm)
26 24 22 20 18 16 14 12 -6 -4 -2 0 2 4 6 8 10 12 14 16 18 20 22 Gc=-2V Gc=-1V Gc=0V Gc=0.6V
Single Carrier Output power (dBm)
Ref: DSCHA4664-QGG8073 - 13 Mar 08
8/16
Specifications subject to change without notice
Route Departementale 128 , B.P.46 - 91401 ORSAY Cedex - FRANCE Tel.: +33 (0)1 69 33 03 08 - Fax : +33 (0)1 69 33 03 09
5.5-16GHz Variable Gain Amplifier
Output IP3 versus Output power @ 7GHz
36 34 32 30 28
CHA4664-QGG
IP3 (dBm)
26 24 22 20 18 16 14 12 -6 -4 -2 0 2 4 6 8 10 12 14 16 18 20 22 Gc=-2V Gc=-1V Gc=0V Gc=0.6V
Single Carrier Output power (dBm)
Output IP3 versus Output power @ 12GHz
36 34 32 30 28
IP3 (dBm)
26 24 22 20 18 16 14 12 -6 -4 -2 0 2 4 6 8 10 12 14 16 18 20 22 Gc=-2V Gc=-1V Gc=0V Gc=0.6V
Single Carrier Output power (dBm)
Output IP3 versus Output power @ 16GHz
36 34 32 30 28
IP3 (dBm)
26 24 22 20 18 16 14 12 -6 -4 -2 0 2 4 6 8 10 12 14 16 18 20 22 Gc=-2V Gc=-1V Gc=0V Gc=0.6V
Single Carrier Output power (dBm)
Ref: DSCHA4664-QGG8073 - 13 Mar 08
9/16
Specifications subject to change without notice
Route Departementale 128 , B.P.46 - 91401 ORSAY Cedex - FRANCE Tel.: +33 (0)1 69 33 03 08 - Fax : +33 (0)1 69 33 03 09
CHA4664-QGG
5.5-16GHz Variable Gain Amplifier
Typical Measured Performance in Temperature:
T = -40 +25 & +75 Vd = +4.5V, Id = 220mA @ Tamb C, C C, Measurements in the plan of the connectors, using the proposed land pattern & board 97364, as defined page 15.
28 24
Linear Gain versus frequency and temperature
Gain @ Gcmin & Gcmax (dB)
20 (Gc= Gc1 = Gc2 = Gc3) 16 12 8 4 0 -4 -8 5 6 7 8 9 10 11 12 13 14 15 16 17 Gc=-2V @ -40 C Gc=0.6V @ -40 C Gc=-2V @ 25 C Gc=0.6V @ 25C Gc=-2V @ 75 C Gc=0.6V @ 75 C
Frequency (GHz)
22 20
Noise Figure versus frequency and temperature
NF @ Gcmin & Gcmax (dB)
18 (Gc = Gc1 = Gc2 = Gc3) 16 14 12 10 8 6 4 2 5 6 7 8 9 10 11 12 13 14 15 16 17 Gc=0.6V @ -40 C Gc=-2V @ -40 C Gc=0.6V @ 25 C Gc=-2V @ 25 C Gc=0.6V @ 75 C Gc=-2V @ 75 C
Frequency (GHz)
Ref: DSCHA4664-QGG8073 - 13 Mar 08
10/16
Specifications subject to change without notice
Route Departementale 128 , B.P.46 - 91401 ORSAY Cedex - FRANCE Tel.: +33 (0)1 69 33 03 08 - Fax : +33 (0)1 69 33 03 09
5.5-16GHz Variable Gain Amplifier
CHA4664-QGG
0
Return Losses versus frequency and temperature
Return Losses @ Gcmin & Gcmax (dB)
-2 -4 (Gc = Gc1 = Gc2 = Gc3) -6 -8 -10 -12 -14 -16 -18 -20 -22 -24 -26 -28 -30 5 6 7
S22 @ Gc=0.6V
S11 @ Gc=0.6V
S11 @ Gc=-2V
S22 @ Gc=-2V
8 9 10 11 12 13 14 15 16 17
Frequency (GHz)
Output P1dB versus frequency and temperature @ Gc=-2V
25 24 23
Output P1dB (dBm)
22 21 20 19 18 17 16 15 5 6 7 8 9 10 11 12 13 14 15 16 17 -40 C 25 C 75 C
Frequency (GHz)
Ref: DSCHA4664-QGG8073 - 13 Mar 08
11/16
Specifications subject to change without notice
Route Departementale 128 , B.P.46 - 91401 ORSAY Cedex - FRANCE Tel.: +33 (0)1 69 33 03 08 - Fax : +33 (0)1 69 33 03 09
CHA4664-QGG
Package outline:
5.5-16GHz Variable Gain Amplifier
Ref: DSCHA4664-QGG8073 - 13 Mar 08
12/16
Specifications subject to change without notice
Route Departementale 128 , B.P.46 - 91401 ORSAY Cedex - FRANCE Tel.: +33 (0)1 69 33 03 08 - Fax : +33 (0)1 69 33 03 09
5.5-16GHz Variable Gain Amplifier
Recommended footprint for 28L QFN5x5
CHA4664-QGG
Unit: mm
Definition of the Sij reference planes
The reference planes are defined from the footprint of the recommended characterization board shown to the right. The reference is the symmetrical axis of the package. The input and output reference planes are located at 3.66mm offset (input wise and output wise respectively) from this axis. Then, the given Sij incorporates this land pattern.
Ref: DSCHA4664-QGG8073 - 13 Mar 08
13/16
Specifications subject to change without notice
United Monolithic Semiconductors S.A.S.
Route Departementale 128 - B.P.46 - 91401 Orsay Cedex France Tel. : +33 (0)1 69 33 03 08 - Fax : +33 (0)1 69 33 03 09
CHA4664-QGG
SMD mounting procedure
5.5-16GHz Variable Gain Amplifier
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 drawing 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.
Note
Due to ESD protection circuits on RF input and output, an external capacitance might be requested to isolate the product from external voltage that could be present on the RF accesses.
Vd
RFin
RFout
Gc1
Vg12
Gc2
Gc3
Vg3
ESD protections are also implemented on gate accesses. The DC connections do not include any decoupling capacitor in package, therefore it is mandatory to provide a good external DC decoupling on the PC board, as close as possible to the package.
Ref: DSCHA4664-QGG8073 - 13 Mar 08
14/16
Specifications subject to change without notice
Route Departementale 128 , B.P.46 - 91401 ORSAY Cedex - FRANCE Tel.: +33 (0)1 69 33 03 08 - Fax : +33 (0)1 69 33 03 09
5.5-16GHz Variable Gain Amplifier
CHA4664-QGG
Proposed Assembly board "97364" for the 28L-QFN5x5 products characterization.
Compatible with the proposed footprint. Based on typically Ro4003 / 8mils or equivalent. Using a microstrip to coplanar transition to access the package. Recommended for the implementation of this product on a module board.
Vd
Gc1
Gc2
Gc3
Vg12 Vg3
Decoupling capacitors of 10nF 10% are recommended for all DC accesses.
Ref: DSCHA4664-QGG8073 - 13 Mar 08
15/16
Specifications subject to change without notice
United Monolithic Semiconductors S.A.S.
Route Departementale 128 - B.P.46 - 91401 Orsay Cedex France Tel. : +33 (0)1 69 33 03 08 - Fax : +33 (0)1 69 33 03 09
CHA4664-QGG
5.5-16GHz Variable Gain Amplifier
Ordering Information
QFN 5x5 RoHS compliant package: CHA4664-QGG/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.
Ref: DSCHA4664-QGG8073 - 13 Mar 08
16/16
Specifications subject to change without notice
Route Departementale 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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