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CHR3662-QDG
RoHS COMPLIANT
7-16GHz Integrated Down Converter
GaAs Monolithic Microwave IC in SMD package
Description
The CHR3662-QDG is a multifunction part, which integrates a balanced cold FET mixer, a LO buffer, and a RF LNA including gain control. It is designed for a wide range of applications, typically commercial communication systems. The circuit is manufactured with a pHEMT process 0.25m. It is available in lead-free SMD package.
UMS R3662 YYWW
Conversion gain (Sup. Mode) @FI=2GHz
20 18 16 14 12 10 8 6 4 2 0 -2 -4 -6 -8 -10 6 8
Broadband RF performance 7-16GHz 13dB gain 15dBc Image Frequency Rejection 0dBm Input IP3 15dB Gain control 24LQFN4x4 ESD protected MSL Level: 1
Conversion Gain (dB)
Main Features
Gain @ -1.5V Gain @ +0.5V
10
12
14
16
18
RF frequency (GHz)
Main Characteristics
Tamb = +25 Vd= 4.5V C, Symbol FRF FLO FIF Gc Parameter RF frequency range LO frequency range IF frequency range Conversion gain maximum Min 7 4.5 DC 11 14 Typ Max 16 19.5 3.5 Unit GHz GHz GHz dB
ESD Protections: Electrostatic discharge sensitive device observe handling precautions!
Ref. : DSCHR3662-QDG9169 - 18 Jun 09 1/16 Specifications subject to change without notice
United Monolithic Semiconductors S.A.S.
Route Departementale 128 - BP46 - 91401 Orsay Cedex France Tel.: +33 (0) 1 69 33 03 08 - Fax: +33 (0) 1 69 33 03 09
CHR3662-QDG
Electrical Characteristics
Tamb = +25 Vd= 4.5V C, Symbol FRF FLO FIF Gc G NF IFR PLO IIP3 Parameter RF frequency range LO frequency range IF frequency range
7-16GHz Down Converter
Min 7 4.5 DC 11
Typ
Max 16 19.5 3.5
Unit GHz GHz GHz dB
Conversion gain @ V2_V3=-1.5V (1) (gain max) Conversion gain @ V2_V3=+0.5V (1) (gain min) Gain control range Noise Figure @ V2_V3=-1.5V (gain max) Image Frequency Rejection (1) LO Input power Input IP3@ gain max. Input IP3 all attenuation
14 -4 -2
dB dB
13
15 3 3.5
dB dBc dBm dBm
13
15 0 0 -3 -7 -9 -5 -35 4.5 -6 -6 -4
LO RL RF RL LO/RF Vd Id VG V2_V3 B VGM
LO Return Loss RF Return Loss @ Gain max RF Return Loss @ Gain min LO leakage at RF port @ max. gain DC drain voltage Drain current DC gate voltage LNA DC gain control voltage DC gate control voltage LO buffer DC gate voltage mixer -1.5 210
dB dB dBm V
280 -0.3
350
mA V
0.5 -5 -1
V V V
(1) An external combiner 90 is necessary on I / Q. Note: Id is not affected by V2, V3.
These values are representative of onboard measurements as defined on the drawing given in the paragraph "Evaluation mother board".
Ref. : DSCHR3662-QDG9169 - 18 Jun 09
2/16
Specifications subject to change without notice
Route Departementale 128, BP46 - 91401 ORSAY Cedex - FRANCE Tel.: +33 (0) 1 69 33 03 08 - Fax: +33 (0) 1 69 33 03 09
7-16GHz Down Converter
Absolute Maximum Ratings (1)
Tamb = +25 C Symbol Vd Id VG, VGM V2,V3 P_RF PLO Tch Ta Tstg Parameter Maximum drain bias voltage Maximum drain bias current Gate bias voltage range Gain control voltage range Maximum peak input power overdrive Maximum LO input power Maximum channel temperature Operating temperature range Storage temperature range
CHR3662-QDG
Values 5 400 -2.0 to +0.6 -2.0 to +1 10 10 175 -40 to +85 -55 to +125
Unit V mA V V dBm dBm C C C
(1) Operation of this device above anyone of these parameters may cause permanent damage.
Ref.: DSCHR3662-QDG9169 - 18 Jun 09
3/16
Specifications subject to change without notice
Route Departementale 128, BP46 - 91401 ORSAY Cedex - FRANCE Tel.: +33 (0) 1 69 33 03 08 - Fax: +33 (0) 1 69 33 03 09
CHR3662-QDG
Device thermal performances
7-16GHz Down Converter
All the figures given in this section are obtained assuming that the QFN device is cooled down only by conduction through the package thermal pad (no convection mode considered). The temperature is monitored at the package back-side interface (Tcase) as shown below. The system maximum temperature must be adjusted in order to guarantee that Tcase remains below than the maximum value specified in the next table. So, the system PCB must be designed to comply with this requirement. A derating must be applied on the dissipated power if the Tcase temperature can not be maintained below than the maximum temperature specified (see the curve Pdiss. Max) in order to guarantee the nominal device life time (MTTF).
DEVICE THERMAL SPECIFICATION : CHR3662-QDG Max. junction temperature (Tj max) : 154 C Max. continuous dissipated power @ Tcase= 85 C : 1,26 W (1) => Pdiss derating above Tcase = 85 C : 18 mW/ C (2) Junction-Case thermal resistance (Rth J-C) : <55 C/W (3) Min. package back side operating temperature : -40 C (3) Max. package back side operating temperature : 85 C Min. storage temperature : -55 C Max. storage temperature : 125 C
(1) Derating at junction temperature constant = Tj max. (2) Rth J-C is calculated for a worst case where the hotter junction of the MMIC is considered. (3) Tcase=Package back side temperature measured under the die-attach-pad (see the drawing below).
1,4 1,2 1 0,8 0,6 0,4 Pdiss. Max. (W) 0,2 0 -50 -25 0 25 50 75 100 125 Tcase (C) Pdiss. Max. (W)
Tcase
Example of QFN 16L 3x3 back-side view, temperature reference point (Tcase) location.
Ref. : DSCHR3662-QDG9169 - 18 Jun 09
4/16
Specifications subject to change without notice
Route Departementale 128, BP46 - 91401 ORSAY Cedex - FRANCE Tel.: +33 (0) 1 69 33 03 08 - Fax: +33 (0) 1 69 33 03 09
7-16GHz Down Converter
Typical Measured Performances
CHR3662-QDG
Tamb = +25 VD = 4.5V, Typical B = -5V & VG = -0. 3V & VGM = -1V, P_LO=0dBm C, These values are representative of onboard measurements (on connectors access planes) as defined on the drawing 97342 page 14. The board loss is estimated to 0.5 to 1.5dB in the frequency range.
Conversion Gain @ Freq_IF= 2GHz, F_RF= F_LO + F_IF versus gain control & temperature
20 18 16 14 12 Conversion Gain (dB) 10 8 6 4 2 0 -2 -4 -6 -8 -10 6,00 8,00 10,00 12,00 RF frequency (GHz) 14,00 16,00 18,00 Gc min @ -40 C Gc min @ +25C Gc min @ +85 C Gc max @ -40C Gc max @ +25C Gc max @ +85C
Conversion Gain @ Freq_IF= 2GHz, F_RF= F_LO - F_IF versus gain control & temperature
20 18 16 14 12 Conversion Gain (dB) 10 8 6 4 2 0 -2 -4 -6 -8 -10 6,00 8,00 10,00 12,00 RF frequency (GHz) 14,00 16,00 18,00 Gc min @ -40C Gc min @ +25 C Gc min @ +85C Gc max @ -40C Gc max @ +25C Gc max @ +85 C
Ref.: DSCHR3662-QDG9169 - 18 Jun 09
5/16
Specifications subject to change without notice
Route Departementale 128, BP46 - 91401 ORSAY Cedex - FRANCE Tel.: +33 (0) 1 69 33 03 08 - Fax: +33 (0) 1 69 33 03 09
CHR3662-QDG
7-16GHz Down Converter
Conversion Gain @ Freq_IF= 3.5GHz, F_RF= F_LO + F_IF versus gain control & temperature
20 18 16 14 12 Conversion Gain (dB) 10 8 6 4 2 0 -2 -4 -6 -8 -10 8,00 10,00 12,00 14,00 16,00 18,00 Gc min @ -40 C Gc min @ +25 C Gc min @ +85 C Gc max @ -40 C Gc max @ +25 C Gc max @ +85 C
RF frequency (GHz)
Conversion Gain @ Freq_IF= 3.5GHz, F_RF= F_LO - F_IF versus gain control & temperature
20 18 16 14 12 Conversion Gain (dB) 10 8 6 4 2 0 -2 -4 -6 -8 -10 6.00 8.00 10.00 12.00 RF frequency (GHz) 14.00 16.00 18.00 Gc min @ -40 C Gc min @ +25 C Gc min @ +85 C Gc max @ -40 C Gc max @ +25 C Gc max @ +85 C
Ref. : DSCHR3662-QDG9169 - 18 Jun 09
6/16
Specifications subject to change without notice
Route Departementale 128, BP46 - 91401 ORSAY Cedex - FRANCE Tel.: +33 (0) 1 69 33 03 08 - Fax: +33 (0) 1 69 33 03 09
7-16GHz Down Converter
CHR3662-QDG
Image rejection @ Freq_IF= 2GHz, V2=V3=-1.5V versus temperature
28 26 24 22 20 Image rejection (dB) 18 16 14 12 10 8 6 4 2 0 6 8 10 12 LO frequency (GHz) 14 16 18 -40C +25 C +85C
Noise figure @ Freq_IF= 2GHz versus gain & temperature
16 15 14 13 12 11 Noise figure (dB) 10 9 8 7 6 5 4 3 2 1 0 6,00 8,00 10,00 12,00 RF frequency (GHz) 14,00 16,00 18,00 -40 C +25 C +85 C -40 C +25 C +85 C
V2=V3=+0.5V
V2=V3=-1.5V
Rem: The losses due to board are removed for noise measurements.
Ref.: DSCHR3662-QDG9169 - 18 Jun 09 7/16 Specifications subject to change without notice
Route Departementale 128, BP46 - 91401 ORSAY Cedex - FRANCE Tel.: +33 (0) 1 69 33 03 08 - Fax: +33 (0) 1 69 33 03 09
CHR3662-QDG
7-16GHz Down Converter
Noise figure @ Freq_IF= 2GHz versus V2,V3 at 25 C
16 15 14 13 12 11 Noise figure (dB) 10 9 8 7 6 5 4 3 2 1 0 6,00
-1.5V -0.5V -0.2V -0.1V +0.5V
8,00
10,00
12,00 RF frequency (GHz)
14,00
16,00
18,00
Rem: The losses due to board are removed for noise measurements.
Associated gain @ Freq_IF= 2GHz versus V2,V3 at 25 C
16 14 12 10 Associated gain (dB) 8 -1.5V 6 4 2 0 -2 -4 -6 -8 -10 6 8 10 12 RF frequency (GHz) 14 16 18 -0.5V -0.2V -0.1V +0.5V
Ref. : DSCHR3662-QDG9169 - 18 Jun 09
8/16
Specifications subject to change without notice
Route Departementale 128, BP46 - 91401 ORSAY Cedex - FRANCE Tel.: +33 (0) 1 69 33 03 08 - Fax: +33 (0) 1 69 33 03 09
7-16GHz Down Converter
CHR3662-QDG
Compression (Sup. mode) @ Freq_RF= 12GHz, Freq_IF= 2GHz versus V2, V3 & P_RF
16 14 12 10 8 6 4 2 0 -2 -4 -6 -8 -10 -12 -14 -16 -18 -20
Conversion Gain (dB)
Vx=-1,5V
Vx=-0,6V
Vx=-0,2V -6 -4 -2
Vx=0,5V 0 2 4 6
-30 -28 -26 -24 -22 -20 -18 -16 -14 -12 -10 -8 Input Power (dBm)
Input IP3 @Freq_IF= 3.5GHz, V2=V3=-1.5V & T=25 C versus FreqRF & P_RF (Double Carrier)
10 8 6 Input IP3 (dBm) 4 2 0 -2 -4 -6 -8 -10 -25 -20 -15 Input Power (dBm) -10 -5 F_RF=8GHz F_RF=12GHz F_RF=16GHz
Ref.: DSCHR3662-QDG9169 - 18 Jun 09
9/16
Specifications subject to change without notice
Route Departementale 128, BP46 - 91401 ORSAY Cedex - FRANCE Tel.: +33 (0) 1 69 33 03 08 - Fax: +33 (0) 1 69 33 03 09
CHR3662-QDG
7-16GHz Down Converter
Input IP3 @Freq_RF=12GHz, Freq_IF= 3.5GHz & V2=V3=-1.5V versus T & P_RF (Double Carrier)
10 8 6 Input IP3 (dBm) 4 2 0 -2 -4 -6 -8 -10 -25 -20 -15 Input Power (dBm) -10 -5 T=-40 C T=25 C T=85 C
Input IP3 @Freq_RF=12GHz, Freq_IF= 3.5GHz & T=25 C versus V2,V3 & P_RF (Double Carrier)
20 18 16 14 12 10 8 6 4 2 0 -2 -4 -6 -8 -10 -20
Input IP3 (dBm)
Vx=-1,5V
Vx=-0,6V -15 Input Power (dBm)
Vx=-0,2V -10
Ref. : DSCHR3662-QDG9169 - 18 Jun 09
10/16
Specifications subject to change without notice
Route Departementale 128, BP46 - 91401 ORSAY Cedex - FRANCE Tel.: +33 (0) 1 69 33 03 08 - Fax: +33 (0) 1 69 33 03 09
7-16GHz Down Converter
CHR3662-QDG
LO Return Loss versus frequency
RF Return Loss versus frequency
V2_V3 = -1.5V (gain max) V2_V3 = +0.5V (gain min)
Ref.: DSCHR3662-QDG9169 - 18 Jun 09
11/16
Specifications subject to change without notice
Route Departementale 128, BP46 - 91401 ORSAY Cedex - FRANCE Tel.: +33 (0) 1 69 33 03 08 - Fax: +33 (0) 1 69 33 03 09
CHR3662-QDG
7-16GHz Down Converter
Package outline (1)
R3662
Matt tin, Lead Free Units From the standard
(Green) mm JEDEC MO-220 (VGGD)
123456789101112-
Nc Gnd Gnd RF Gnd Gnd V2 V3 VG VGM VD B
131415161718192021222324-
Gnd Gnd LO Gnd Gnd Nc I Gnd Gnd Q Nc Nc
25- GND
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. It is strongly recommended to ground all pins marked "Gnd" through the PCB board. Ensure that the PCB board is designed to provide the best possible ground to the package.
Ref. : DSCHR3662-QDG9169 - 18 Jun 09 12/16 Specifications subject to change without notice
(1)
Route Departementale 128, BP46 - 91401 ORSAY Cedex - FRANCE Tel.: +33 (0) 1 69 33 03 08 - Fax: +33 (0) 1 69 33 03 09
7-16GHz Down Converter
Definition of the Sij reference planes
CHR3662-QDG
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 3.18mm 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 16.
3.1 8
3.1 8
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 environmental management
Refer to the application note AN0019 available at http://www.ums-gaas.com for environmental data on UMS package products.
Ref.: DSCHR3662-QDG9169 - 18 Jun 09
13/16
Specifications subject to change without notice
Route Departementale 128, BP46 - 91401 ORSAY Cedex - FRANCE Tel.: +33 (0) 1 69 33 03 08 - Fax: +33 (0) 1 69 33 03 09
CHR3662-QDG
Notes
7-16GHz Down Converter
Due to ESD protection circuits on RF and LO inputs, an external capacitance might be requested to isolate the product from external voltage that could be present on these accesses. 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. Refer to the application note AN0020 available at http://www.ums-gaas.com for general ESD recommendations.
15 LO 19 I
B VD
12 11 10 9 8 7
22
Q
VGM VG V3
RF 4
V2
Ref. : DSCHR3662-QDG9169 - 18 Jun 09
14/16
Specifications subject to change without notice
Route Departementale 128, BP46 - 91401 ORSAY Cedex - FRANCE Tel.: +33 (0) 1 69 33 03 08 - Fax: +33 (0) 1 69 33 03 09
7-16GHz Down Converter
Notes
CHR3662-QDG
The biasing circuits of the stages of the circuit are given in the schemes below.
Vd=4.5V
1.5k 40 35 18 OUT IN
Stage 1 Stage 2 Stage 3
300
70 2.8k 100 2.8k
V3
100
LNA
V2
Vg=-0.3V
Vd=4.5V
25 8
LO
1.8k 1.5k 300 LO IN
Stage 1 Stage 2
1.5k 2k 780 300 LO OUT
B=-5V
Ref. : DSCHR3662-QDG9169 - 18 Jun 09
15/16
Specifications subject to change without notice
Route Departementale 128, BP46 - 91401 ORSAY Cedex - FRANCE Tel.: +33 (0) 1 69 33 03 08 - Fax: +33 (0) 1 69 33 03 09
CHR3662-QDG
Evaluation mother board
7-16GHz Down Converter
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. (See application note AN0017 for details).
Proposed Assembly board "97342" for the 24L-QFN4x4 products characterization
Decoupling capacitor: 10nF Hybrid coupler Anaren 90 2-4GHz
V2 V3 VG VGM VD B
Ordering Information
QFN 4x4 RoHS compliant package: CHR3662-QDG/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. : DSCHR3662-QDG9169 - 18 Jun 09
16/16
Specifications subject to change without notice
Route Departementale 128, BP46 - 91401 ORSAY Cedex - FRANCE Tel.: +33 (0) 1 69 33 03 08 - Fax: +33 (0) 1 69 33 03 09

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