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CHE1260-QAG
RoHS COMPLIANT
12-27GHz Bidirectionnal Detector
GaAs Monolithic Microwave IC in SMD leadless package
Description
The CHE1260-QAG is a bidirectionnal detector that integrates a passive bidirectionnal coupler, two matched detector diodes and two reference diodes. It allows the measurement of transmitted and reflected power. It is designed for a wide range of applications where an accurate transmitted power control is required, typically commercial communication systems. The circuit is manufactured with a Schottky diode MMIC process, 1m gate length, via holes through the substrate and air bridges. It is supplied in leadless SMD package.
Vdet_I DC_I Vref_I Vref_R DC_R Vdet_R
RF_in
RF_out
Main Features
Wide frequency range 12-27GHz
Incident power detection (mV)
10000
Bidirectionnal detection 30dB dynamic range ESD protected 16L-QFN3x3 SMD package
Vref_I - Vdet_I (mV)
1000 12GHz 22GHz 100 17GHz 27GHz
10
Main Characteristics
Tamb = +25 VDC = +4.5V (on DC_I and DC_R) C, Symbol F IL Dr Parameter Frequency range Insertion Loss Dynamic Range
-20 -18 -16 -14 -12 -10 -8
-6
-4
-2
0
2
4
6
8
10 12 14 16 18 20
Incident power (dBm)
Min 12
Typ
Max 27
Unit GHz dB dB
1 30
ESD Protection: Electrostatic discharge sensitive device. Observe handling precautions!
Ref : DSCHE1260-QAG8057 - 22 Feb 08 1/10 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
CHE1260-QAG
Electrical Characteristics
Tamb = +25 VDC = +4.5V (on DC_I and DC_R) C, Symbol F IL Cd Dr Pr Parameter Frequency range Insertion Loss Coupler Directivity Dynamic Range Power Range: 12 - 17GHz 17 - 21GHz 21 - 24GHz 24 - 27GHz (for transmitted and/or reflected power) Vdetect_I Voltage detection from transmitted power Vref_I - Vdet_I From Pr_min to Pr_max Vdetect_R Voltage detection from reflected power Vref_R - Vdet_R From Pr_min to Pr_max RLin RLout VDC IDC Input return loss Output return loss Bias Voltage Bias Current (on ports DC_I or DC_R) -1 -3 -6 -8
12-27GHz Detector
Min 12
Typ
Max 27
Unit GHz dB dB dB
1 15 30
dBm
20 to 2200 20 to 2200 -12 -12 4.5 33 dB dB V A mV mV
These values are representative of on board measurements as defined page 8, with 100k resistor in parallel on pads Vdet_I, Vref_I, Vdet_R and Vref_R (see notes, page 9).
Absolute Maximum Ratings (1)
Tamb = +25 C Symbol VDC Top Tstg P_max Parameter Bias voltage (on ports DC_I and DC_R) Operating temperature range Storage temperature range Maximum power (for transmitted and/or reflected power) Values 6 -40 to +85 -55 to +125 30 Unit V C C dBm
(1) Operation of this device above anyone of these paramaters may cause permanent damage.
Ref. : DSCHE1260-QAG8057 - 22 Feb 08 2/10 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
12-27GHz Detector
Typical Package Sij parameters
CHE1260-QAG
Tamb = +25 Vdc = +4.5V (on DC_I and DC_R), 100k resistor in parallel on pads Vdet_I, C, Vref_I, Vdet_R and Vref_R (see notes, page 9).
Freq (GHz) dB(S11) Ph(S11) ( dB(S12) Ph(S12) ( dB(S2 1) Ph(S21) ( dB(S22) Ph(S22) ( ) ) ) )
2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 -27.2 -24.0 -21.7 -19.9 -18.4 -17.3 -16.1 -15.2 -14.5 -13.7 -13.0 -12.5 -12.3 -12.6 -13.3 -14.6 -17.5 -22.5 -34.9 -24.9 -18.8 -15.9 -15.1 -14.6 -15.3 -16.3 -17.6 -18.9 -21.0 -24.9 -30.0 -23.0 -16.4 -12.2 -9.4 -7.3 -5.8 -5.4 -5.3 -7.4 -9.2 -10.3 -7.6 -4.9 -2.9 -2.1 -1.9 -1.8 -2.0 43 33 18 3 -15 -33 -51 -70 -88 -107 -124 -141 -157 -172 172 157 142 131 161 -105 -116 -132 -149 -163 -178 165 153 138 125 121 140 -169 -179 163 147 129 114 101 91 73 68 84 96 90 79 68 56 48 40 -0.2 -0.2 -0.3 -0.3 -0.4 -0.4 -0.5 -0.5 -0.6 -0.7 -0.7 -0.8 -0.8 -0.8 -0.8 -0.7 -0.7 -0.7 -0.7 -0.7 -0.8 -0.9 -1.0 -1.1 -1.2 -1.2 -1.3 -1.4 -1.5 -1.5 -1.6 -1.7 -1.9 -2.3 -2.8 -3.4 -3.9 -4.2 -4.0 -4.5 -4.3 -4.7 -5.7 -7.1 -8.8 -11.0 -12.7 -14.4 -16.8 -35 -53 -70 -87 -105 -122 -140 -157 -174 168 151 134 117 100 82 65 47 29 11 -8 -26 -45 -63 -81 -99 -118 -137 -156 -175 165 145 125 103 82 61 41 23 7 -11 -34 -58 -85 -112 -136 -161 179 163 142 123 -0.2 -0.2 -0.3 -0.3 -0.4 -0.4 -0.5 -0.5 -0.6 -0.7 -0.7 -0.8 -0.8 -0.8 -0.8 -0.7 -0.7 -0.7 -0.7 -0.7 -0.8 -0.9 -1.0 -1.1 -1.2 -1.2 -1.3 -1.4 -1.4 -1.6 -1.6 -1.7 -1.9 -2.3 -2.8 -3.4 -3.9 -4.2 -4.0 -4.4 -4.4 -4.7 -5.7 -7.0 -8.7 -10.8 -12.7 -14.3 -16.8 -35 -53 -70 -88 -105 -122 -140 -157 -174 168 151 134 117 100 82 65 47 29 11 -8 -26 -45 -63 -81 -99 -118 -137 -156 -175 165 145 124 103 82 61 41 23 7 -11 -34 -58 -85 -112 -136 -160 178 162 141 123 -26.8 -23.8 -21.3 -19.6 -18.2 -16.9 -15.8 -14.9 -14.1 -13.3 -12.7 -12.3 -12.3 -12.7 -13.6 -15.2 -18.2 -23.6 -31.9 -25.1 -19.6 -17.3 -16.2 -15.9 -15.9 -16.2 -17.0 -17.1 -17.9 -18.7 -19.7 -18.1 -14.4 -11.1 -8.1 -6.5 -5.5 -5.3 -5.5 -7.2 -9.8 -11.6 -7.3 -4.4 -2.6 -1.5 -0.9 -0.9 -1.5 34 21 5 -11 -27 -43 -58 -74 -90 -105 -121 -138 -155 -172 170 150 127 100 23 -73 -105 -131 -154 -176 160 136 110 83 53 15 -32 -91 -139 -174 159 135 117 102 91 71 69 93 105 97 84 71 56 41 28
Refer to the "definition of the Sij reference planes" section below.
Ref. : DSCHE1260-QAG8057 - 22 Feb 08 3/10 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
CHE1260-QAG
Typical Measured Performance
12-27GHz Detector
Tamb = +25 Vdc = +4.5V (on DC_I and DC_R), 100k resistor in parallel on pads Vdet_I, C, Vref_I, Vdet_R and Vref_R (see notes, page 9). - Losses measurements in the package access plans (refer to the "definition of the Sij reference planes" section below).
0 -1 -2 -3
Insertion Loss versus frequency
IL (dB)
-4 -5 -6 -7 -8 -9 -10 2 4 6 8 10 12 14 16 18 20 22 24 26 28 30 32 34 36
Frequency (GHz)
0 -2 -4 -6 -8 -10 -12 -14 -16 -18 -20 -22 -24 -26 -28 -30 -32 2 4 6 8
Input and Output Return Losses versus frequency
RLin
RLout
Return Losses (dB)
10
12
14
16
18
20
22
24
26
28
30
32
34
36
Frequency (GHz)
Ref. : DSCHE1260-QAG8057 - 22 Feb 08
4/10
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
12-27GHz Detector
CHE1260-QAG
- Power measurements in the plan of the connectors, using the proposed land pattern & board 96272-B (see page 10).
10000
Incident power detection versus Incident power @ different frequencies (Vdetect_I)
Vref_I - Vdet_I (mV)
1000 12GHz 22GHz 100 17GHz 27GHz
10 -20 -18 -16 -14 -12 -10 -8 -6 -4 -2 0 2 4 6 8 10 12 14 16 18 20
Incident power (dBm)
The CHE1260-QAG is a bidirectionnal detector using a symmetrical bidirectionnal coupler. Therefore the incident power detection versus incident power is identical to the reflective power detection versus reflected power. The reflective power detection versus incident power depends on both the coupler directivity and the reflective environment of the package. The following typical measured performance are obtained for a packaged detector, assembled on a connectorized board.
Ref. : DSCHE1260-QAG8057 - 22 Feb 08
5/10
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
CHE1260-QAG
12-27GHz Detector
Incident and reflective power detection versus Incident power @ 12GHz (Vdetect_I & Vdetect_R)
10000
Vref_I - Vdet_I & Vref_R-Vdet_R (mV)
1000 Incident Reflective
100
10 -20 -18 -16 -14 -12 -10 -8 -6 -4 -2 0 2 4 6 8 10 12 14 16 18 20
Incident power (dBm)
Incident and reflective power detection versus Incident power @ 27GHz (Vdetect_I & Vdetect_R)
10000
Vref_I - Vdet_I & Vref_R-Vdet_R (mV)
1000 Incident Reflective
100
10 -20 -18 -16 -14 -12 -10 -8 -6 -4 -2 0 2 4 6 8 10 12 14 16 18 20
Incident power (dBm)
Ref. : DSCHE1260-QAG8057 - 22 Feb 08
6/10
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
12-27GHz Detector
Package outline:
CHE1260-QAG
Ref. : DSCHE1260-QAG8057 - 22 Feb 08
7/10
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
CHE1260-QAG
Definition of the Sij reference planes
The reference planes are defined from the footprint of the recommended characterization board shown here The reference is the symmetrical axis of the package. 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 incorporates this land pattern.
12-27GHz Detector
2.65
2.65
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.
Ref. : DSCHE1260-QAG8057 - 22 Feb 08
8/10
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
12-27GHz Detector
Notes
100k
CHE1260-QAG
Vref_R DC_R Vdet_R
100k
RF_in RF_in
RF_out RF_out
100k Vdet_I DC_I Vref_I
100k
Recommended external resistors assembly
100k resistors in parallel with Vdet_I, Vref_I, Vdet_R and Vref_R pads are recommended to provide the best behaviour in the whole operating temperature range. As the voltage detection is the difference between Vref_X and Vdet_X (X= I or R), the external resistor value should be identical on these ports. For information, a variation of 2% leads around 1mV variation of detected voltage.
ESD protections are implemented on Vdet_I, Vref_I, Vdet_R and Vref_R accesses.
The DC connections (DC_R & DC_I) 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: DSCHE1260-QAG8057 - 22 Feb 08
9/10
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
CHE1260-QAG
12-27GHz Detector
Proposed Assembly board "96272-B" for the 16L-QFN3x3 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.
REF_R DET_R DC_R
-
C a p a c ito r 1 0 n F R e s is to r 1 0 0 k
Ordering Information
QFN 3x3 RoHS compliant package: CHE1260-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.
Ref. : DSCHE1260-QAG8057 - 22 Feb 08 10/10 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
DET_I
REF_I
DC_I

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