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VGA-P014458-QGG
RoHS COMPLIANT
17-27GHz Variable Gain Amplifier
GaAs Monolithic Microwave IC in SMD package Description
The P014458-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
UMS 14458 YYWWG
Vd1, Vd2
RFin
RFout
Main Features
24
On board measurements
20
Broadband performance 17-27GHz
20dB gain 28dBm output IP3 @ gain max 24dB gain control range 28L-QFN5x5 ESD protected (see page 13)
Linear Gain (dB)
16 12 8 4 0 -4 -8 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29
Frequency (GHz)
Main Characteristics
Tamb. = 25 Vd = 4.5V C, Symbol Fop G Gc OIP3 Parameter Operating frequency range Small signal gain Gain control range Output Intercept Point order 3 @ gain max. Min 17 20 24 28 Typ Max 27 Unit GHz dB dB dBm
ESD Protection : Electrostatic discharge sensitive device. Observe handling precautions !
Ref. : DSVGA-PO14458-QGG8028 - 28 Jan 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
VGA-P014458-QGG
Electrical Characteristics
17-27GHz Variable Gain Amplifier
Tamb. = 25 Vd 1,2 = 4.5V, GcX with X=1,2,3 C, Symbol Fop G NF Parameter Operating frequency range Nominal gain @ gain max. Noise Figure @ gain max. Noise Figure @ gain min. RLin Input Return Loss (Fop<21GHz) (any GcX) Input Return Loss (Fop>21GHz) (any GcX) RLout Output Return Loss (Fop<21GHz) (any GcX) Output Return Loss (Fop>21GHz) (any GcX) OIP3 Output Intercept Point order 3 @ gain max. Output Intercept Point order 3 @ gain min. P1dB Output Power at 1dB gain compression @ gain max. Gain control range (Fop<20GHz) Gain control range (Fop>20GHz) Vd1,2 Id Idc Vg12,3 GcX DC drain voltage Drain bias current (*) Drain current at 1dB gain compression Gate bias voltage DC gain control voltage -2 Min 17 20 7.5 24 -9 -12 -9 -12 28 19 22 22 24 4.5 250 300 -1.2 +0,6 Typ Max 27 Unit GHz dB dB dB dB dB dB dB dBm dBm dBm dB dB V mA mA V V
Gc
(*) Id not affected by GcX. These values are representative of on board measurements as defined on the drawing 97263 (see page 15).
Ref. : DSVGA-PO14458-QGG8028 - 28 Jan 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
17-27GHz Variable Gain Amplifier
Absolute Maximum Ratings (*)
Tamb = +25 C Symbol Vd1,2 Id Vg GcX Pin Top Tj Tstg Drain bias voltage Power supply quiescent current Gate bias voltage DC gain control voltage RF input power @ gain max. Operating temperature range Junction temperature Storage temperature range Parameter
VGA-P014458-QGG
Values 5 300 -2 to 0 -2.5 to +1 8 -40 to +85 175 -55 to +125
Unit V mA V V dBm C C C
(*) Operation of this device above anyone of these parameters may cause permanent damage.
DEVICE THERMAL SPECIFICATION : VGA-P014458-QGG Max. junction temperature (Tj max) : 170 C Max. continuous dissipated power @ Tcase= 85 : C 1,35 W => Pdiss derating above Tcase= 85 : C 16 mW/ C Device thermal resistance (Rth) : 62 C/W Min. package back side operating temperature : -40 C Max. package back side operating temperature : 85 C Min. storage temperature : -55 C Max. storage temperature : 125 C
1,6 1,4
Pdiss. Max. (W)
1,2 1 0,8 0,6 0,4 Pdiss. Max. (W) 0,2 50 75 100 125 0 150
-50
-25
0
25
Tcase ( C)
Ref: DSVGA-PO14458-QGG8028 - 28 Jan 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
VGA-P014458-QGG
17-27GHz Variable Gain Amplifier
Typical Measured Performance
Tamb. = +25 Vd 1,2 = +4.5V, Vg12,3 tuned for Id = 250mA C, Measurements in the package access planes, using the proposed land pattern & board 97263, as defined page 15.
Linear Gain versus Frequency
24 20 16 Linear Gain (dB) 12 8 4 0 -4 -8 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 Frequency (GHz)
GcX=-2.0V GcX=-1.0V
GcX=-0.9V
GcX=-0.8V GcX=-0.7V GcX=-0.6V GcX=-0.4V GcX=+0.6V
Linear Gain versus Gain Control Voltage
24 20 16 Linear Gain (dB) 12 8 4 0 -4 -8 -2,0 -1,8 -1,6 -1,4 -1,2 -1,0 -0,8 -0,6 -0,4 -0,2 Gain Control Voltage (V)
Freq=17GHz Freq=27GHz Freq=22GHz
0,0 0,2 0,4 0,6
Ref. : DSVGA-PO14458-QGG8028 - 28 Jan 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
17-27GHz Variable Gain Amplifier
VGA-P014458-QGG
Gain Control Range versus Frequency
30 28 26 24 22 20 18 16 14 12 10 8 6 4 2 0 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 Frequency (GHz)
Gain Control Range (dB)
Return Losses versus Frequency and Gain Control Voltage
0 -2 -4 -6 -8 -10 -12 -14 -16 -18 -20 -22 -24 -26 -28 -30 14 15 16 17 18 19 20 21 22
Return Losses (dB)
S22
S11
23
24
25
26
27
28
29
Frequency (GHz)
Ref: DSVGA-PO14458-QGG8028 - 28 Jan 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
VGA-P014458-QGG
17-27GHz Variable Gain Amplifier
Typical Package Sij parameters for GcX = -2.0V
Tamb. = +25 Vd 1,2 = +4.5V, Id = 250mA C,
Freq (GHz) 2,0 3,0 4,0 5,0 6,0 7,0 8,0 9,0 10,0 11,0 12,0 13,0 14,0 15,0 16,0 17,0 17,5 18,0 18,5 19,0 19,5 20,0 20,5 21,0 21,5 22,0 22,5 23,0 23,5 24,0 24,5 25,0 25,5 26,0 26,5 27,0 28,0 29,0 30,0 31,0 32,0 33,0 34,0 35,0 36,0 37,0 38,0 39,0 40,0 dB(S11) -1,6 -3,2 -6,8 -11,6 -11,1 -9,6 -8,0 -7,6 -8,0 -7,4 -7,8 -7,1 -7,8 -9,0 -13,1 -13,3 -11,2 -9,6 -8,8 -8,4 -8,9 -9,7 -9,6 -10,6 -11,8 -13,3 -14,9 -17,2 -18,3 -18,5 -19,7 -20,3 -18,4 -17,3 -18,1 -23,1 -25,6 -24,7 -15,8 -9,0 -6,3 -3,7 -2,6 -1,4 -1,7 0,4 -0,1 -0,1 -1,1 Ph(S11) ( ) 105 55 -11 -104 173 125 93 58 23 -10 -47 -78 -109 -134 -152 -132 -128 -133 -146 -158 -169 179 174 161 150 137 134 139 134 130 132 119 102 81 52 32 23 36 15 -28 -90 -134 -169 164 138 127 109 95 82 dB(S12) -62,6 -64,1 -84,6 -75,6 -69,7 -62,7 -62,1 -63,1 -64,2 -64,7 -64,2 -70,6 -57,9 -50,7 -51,1 -52,8 -52,4 -53,6 -53,7 -53,0 -55,7 -54,9 -58,8 -60,3 -56,0 -54,6 -54,3 -55,6 -54,2 -52,0 -48,1 -46,1 -45,0 -43,5 -43,4 -43,1 -39,4 -40,6 -40,1 -38,5 -36,1 -36,4 -40,1 -42,7 -46,8 -55,8 -46,0 -48,7 -50,9 Ph(S12) ( ) -93 -151 64 162 66 56 5 -28 -90 -128 176 -173 163 110 57 36 28 19 12 0 -2 -9 -29 16 32 3 1 18 17 33 23 15 -7 -7 -21 -35 -54 -72 -91 -111 -131 -167 157 139 119 -165 143 135 90 dB(S2 1) -35,2 -26,3 -35,7 -29,5 -16,8 -11,8 -6,5 -3,1 -0,5 3,5 7,0 12,6 18,2 22,0 21,1 20,8 20,7 20,5 20,4 20,5 20,6 20,6 20,7 20,7 20,5 20,3 20,0 19,9 19,8 19,8 19,7 20,0 20,1 20,4 20,8 21,1 21,2 17,8 9,8 0,8 -10,4 -20,6 -29,4 -37,1 -43,1 -52,9 -43,0 -48,2 -50,0 Ph(S21) ( ) -166 -30 -141 51 -70 -167 121 50 -16 -72 -133 167 92 -5 -99 -173 152 118 84 49 13 -24 -58 -94 -131 -167 157 122 86 47 13 -25 -64 -104 -148 167 60 -61 -178 86 -5 -85 -161 146 97 152 117 144 57 dB(S22) -10,7 -6,2 -1,8 -1,9 -2,7 -4,0 -6,5 -10,3 -14,5 -14,9 -14,5 -13,2 -11,3 -9,2 -9,8 -9,4 -9,5 -9,5 -9,6 -9,8 -10,3 -11,0 -11,2 -11,3 -11,4 -12,0 -12,5 -12,7 -12,9 -13,5 -13,9 -14,6 -16,1 -17,4 -18,9 -19,8 -23,3 -20,5 -18,3 -15,5 -13,1 -10,5 -7,8 -5,5 -4,1 -2,3 -1,1 -0,5 -0,6 Ph(S22) ( ) 74 152 109 74 40 7 -26 -50 -61 -57 -64 -71 -78 -100 -119 -132 -139 -144 -151 -159 -165 -172 -176 -179 174 168 162 154 145 132 121 102 86 75 53 23 -37 -44 -103 -122 -149 -167 178 160 142 128 112 99 87
Refer to the "definition of the Sij reference planes" section below.
Ref. : DSVGA-PO14458-QGG8028 - 28 Jan 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
17-27GHz Variable Gain Amplifier
Typical Measured Performance
Tamb. = +25 Vd 1,2 = +4.5V, Vg12,3 tuned for Id = 250mA C,
VGA-P014458-QGG
Measurements in the plan of the connectors (losses not deembeded), using the proposed land pattern & board 97263, as defined page 15.
Linear Gain versus Frequency and Temperature
24 20 16 Linear Gain (dB) 12 8 4 0
GcX=-2.0V +25C
-40C
GcX=-0.9V +75C
-4 -8 -12 -16 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 Frequency (GHz)
GcX=+0.6V
Gain Control Range per stage versus Frequency (with GcX=+0.6V)
16 14
Stage 3
Gain Control Range (dB) 12 10 8 6 4 2 0 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 Frequency (GHz)
Stage 1
Stage 2
Ref: DSVGA-PO14458-QGG8028 - 28 Jan 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
VGA-P014458-QGG
17-27GHz Variable Gain Amplifier
Noise Figure versus Gain Control Voltage @ 25 C
28 26 24 22 Noise Figure (dB) 20 18 16 14 12 10 8 6 4 2 0 -2,0 -1,8 -1,6 -1,4 -1,2 -1,0 -0,8 -0,6 -0,4 -0,2 Gain Control Voltage (V) 0,0 0,2 0,4 0,6
Freq=22GHz Freq=27GHz Freq=17GHz
Noise Figure versus Frequency and Temperature
30 28 26 24 22 20 18 16 14 12 10 8 6 4 2 0 14 15 16
+75C +25C -40C GcX=-0.9V GcX=+0.6V
Noise Figure (dB)
GcX=-2.0V
17
18
19
20
21
22
23
24
25
26
27
28
29
Frequency (GHz)
Ref. : DSVGA-PO14458-QGG8028 - 28 Jan 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
17-27GHz Variable Gain Amplifier
36 32
VGA-P014458-QGG
Output IP3 versus Dual Carrier Output Power and Temperature @ 17GHz
GcX=-2V
28 Output IP3 (dBm) 24
GcX=-0.9V
20 16 12 8 4 -6 -4 -2 0 2 4 6 8 10 12 14 16 18 20 22 Dual Carrier Output Power (dBm)
GcX=0V -40C +25C +75C
Output IP3 versus Dual Carrier Output Power and Temperature @ 21GHz
36 32 28 Output IP3 (dBm) 24 20 16 12 8 4 -6 -4 -2 0 2 4 6 8 10 12 14 16 18 20 22 Dual Carrier Output Power (dBm)
GcX=-2V
GcX=-0.9V
GcX=0V -40C +25C +75C
Output IP3 versus Dual Carrier Output Power and Temperature @ 27GHz
36 32 28 Output IP3 (dBm) 24 20 16 12 8 4 -6 -4 -2 0 2 4 6 8 10 12 14 16 18 20 22 Dual Carrier Output Power (dBm)
GcX=-2V
GcX=-0.9V
GcX=0V -40C +25C +75C
Ref: DSVGA-PO14458-QGG8028 - 28 Jan 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
VGA-P014458-QGG
17-27GHz Variable Gain Amplifier
Output Power at 1dB Gain Compression versus Frequency and Temperature for GcX=-2V
26 24 Output Power at 1dB Gain Compression (dBm) 22 20 18 16 14 12 10 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 Frequency (GHz)
+75C +25C -40C
Ref. : DSVGA-PO14458-QGG8028 - 28 Jan 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
17-27GHz Variable Gain Amplifier
26 Gain (dB) and Output Power (dBm) 22 18 14 10 6 2 -2 -6 -10 -24 -20 -16 -12 -8 -4 0 4 8 12 16 20 Input Power (dBm)
VGA-P014458-QGG
Gain and Output Power versus Input Power and Temperature @ 17.5GHz
GcX=-2V
GcX=-0.9V
-40C +25C +75C
Gain and Output Power versus Input Power and Temperature @ 22GHz
26 Gain (dB) and Output Power (dBm) 22 18 14 10 6 2 -2 -6 -10 -24 -20 -16 -12 -8 -4 0 4 8 12 16 20 Input Power (dBm)
GcX=-2V
GcX=-0.9V
-40C +25C +75C
Gain and Output Power versus Input Power and Temperature @ 26.5GHz
26 Gain (dB) and Output Power (dBm) 22 18 14 10 6 2 -2 -6 -10 -24 -20 -16 -12 -8 -4 0 4 8 12 16 20 Input Power (dBm)
GcX=-2V
GcX=-0.9V
-40C +25C +75C
Ref: DSVGA-PO14458-QGG8028 - 28 Jan 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
VGA-P014458-QGG
Package outline
17-27GHz Variable Gain Amplifier
1- Gnd 2- RF IN 3- Gnd 4- Gnd 5- Nc 6- Gnd 7- Gnd 8- Gc1
9- Gc2 10- Nc 11- Nc 12- Vd1 13- Nc 14- Gc3 15- Gnd 16- Gnd
17- RF OUT 18- Gnd 19- Gnd 20- Nc 21- Gnd 22- Nc 23- Nc 24- Vd2
25- Nc 26- Vg3 27- Vg12 28- Nc 29- Gnd
Ref. : DSVGA-PO14458-QGG8028 - 28 Jan 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
17-27GHz Variable Gain Amplifier
Note
VGA-P014458-QGG
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.
12
24
Vd1, Vd2
RFin 2
RFout 17
Gc1 8
Vg12 27
Gc2 9
Gc3 14
Vg3 26
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.
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: DSVGA-PO14458-QGG8028 - 28 Jan 08
13/16
/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
VGA-P014458-QGG
17-27GHz Variable Gain Amplifier
Recommended footprint for 28L-QFN5X5
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 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.
Ref. : DSVGA-PO14458-QGG8028 - 28 Jan 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
17-27GHz Variable Gain Amplifier
VGA-P014458-QGG
Proposed Assembly board "97263" 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.
Decoupling capacitors of 10nF 10% are recommended for all DC accesses.
Ref. : DSVGA-PO14458-QGG8028 - 28 Jan 08
15/16
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
VGA-P014458-QGG
17-27GHz Variable Gain Amplifier
Ordering Information
QFN 5x5 RoHS compliant package: VGA-P014458-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. : DSVGA-PO14458-QGG8028 - 28 Jan 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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