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| v04.0701 MICROWAVE CORPORATION HMC276QS24 GaAs MMIC 4x2 SWITCH MATRIX, 0.7 - 3.0 GHz Features 4x2 Switch Matrix Using One IC 4x4 Switch Matrix Using Two ICs Integrated 4 Bit Decoder Single Positive Supply: Vdd = +5V Typical Applications 4x2 Switch Matrix for 0.7 - 3.0 GHz Applications: * Cable Modem * CATV * Cellular Systems * DBS Functional Diagram General Description The HMC276QS24 is a low-cost 4x2 switch matrix in a 24-lead QSOP package for use in RF multiplexing applications from 700 to 3000 MHz. A positive voltage controlled 4 bit decoder is integrated on the switch. The switch may be used in either 75 ohm or 50 ohm systems. 14 SWITCHES - SMT Both switch outputs (OP1 & OP2) can independently select any of the four inputs (HH, HL, VH, VL) or simultaneously select the same inputs. Note that the switch is bi-directional and input/output functionality may be interchanged. The recommended loading impedance is 62.5 ohms on each input (HH, HL, VH, VL) and 75 ohms on each output (OP1 & OP2). All data presented was measured in a 50 ohm (input/output) system. Electrical Specifications, TA = +25 C, Vdd= +5V, 50 Ohm System Parameter Insertion Loss Frequency 700 - 3000 MHz 700 - 950 MHz 950 - 1450 MHz 1450 - 2150 MHz 2150 - 3000 MHz 700 - 3000 MHz 700 - 3000 MHz 700 - 3000 MHz 700 - 3000 MHz Min. Typ. 6.0 Max. 7.0 Units dB dB dB dB dB dB dB dBm dBm Isolation 34 38 See OP1/2 Isolation Tables 29 33 25 30 10 9 31 22 15 14 37 26 Return Loss (Input; VL, HL, VH, HH) Return Loss (Output; OP1, OP2) Output IP3 Input Power for 1 dB Compression Switching Speed tRISE / tFALL (10/90% RF) tON / tOFF (50% CTL to 10/90% RF) 700 - 3000 MHz 140 350 ns ns 14 - 150 For price, delivery, and to place orders, please contact Hittite Microwave Corporation: 12 Elizabeth Drive, Chelmsford, MA 01824 Phone: 978-250-3343 Fax: 978-250-3373 Order Online at www.hittite.com v04.0701 MICROWAVE CORPORATION HMC276QS24 GaAs MMIC 4x2 SWITCH MATRIX, 0.7 - 3.0 GHz GaAs MMIC SUB-HARMONICALLY OP2 Isolation 950 -17 - 25 GHz PUMPED MIXER 1450 MHz OP1 Isolation 950 - 1450 MHz Input to Output State HL to OP1 Interfering Signal VL to OP1 VL to OP1 All Other States VH to OP1 All Other States VL to OP1 VL to OP1 All Other States VL to OP1 VL to OP1 HL to OP1 State 9 11 All Other States 2 All Other States 5 6 All Other States 13 16 15 Min. (dB) 34 36 40 37 40 35 37 40 35 36 39 Typ. (dB) 36 38 >43 40 >43 37 40 >42 37 38 41 Input to Output State HL to OP2 Interfering Signal HH to OP1 All Other States HL to OP2 HL to OP2 All Other States HL to OP2 HL to OP2 All Other States All Other States State 15 All Other States 10 6 All Other States 9 1 All Other States 12 16 All Other States Min. (dB) 38 40 34 36 37 34 36 40 35 38 40 Typ. (dB) 40 >43 37 38 >40 36 38 >42 37 40 >42 VL to OP1 VH to OP2 VH to OP1 VL to OP2 HH to OP1 HH to OP2 Insertion Loss on OP1 0 -1 -2 VL to OP1 (state 1) VL to OP1 (state 2) VH to OP1 (state 5) VH to OP1 (state 6) HL to OP1 (state 11) HL to OP1 (state 12) HH to OP1 (state 15) HH to OP1 (state 16) Insertion Loss on OP2 0 -1 -2 VL to OP2 (state 1) VL to OP2 (state 5) VH to OP2 (state 2) VH to OP2 (state 6) HL to OP2 (state 11) HL to OP2 (state 15) HH to OP2 (state 12) HH to OP2 (state 16) 14 SWITCHES - SMT 14 - 151 INSERTION LOSS (dB) -3 -4 -5 -6 -7 -8 -9 -10 0.5 1 1.5 2 2.5 INSERTION LOSS (dB) 4 -3 -4 -5 -6 -7 -8 -9 3 3.5 -10 0.5 1 1.5 2 2.5 3 3.5 4 FREQUENCY (GHz) FREQUENCY (GHz) Return Loss 0 Input RL, Input Selected Input RL, Input Deselected Output RL Typical Insertion Loss vs. Temperature 0 -1 -2 +25C +85C -40C -5 INSERTION LOSS (dB) 4 RETURN LOSS (dB) -3 -4 -5 -6 -7 -8 -9 -10 -15 -20 -25 0.5 1 1.5 2 2.5 3 3.5 -10 0.5 1 1.5 2 2.5 3 3.5 4 FREQUENCY (GHz) FREQUENCY (GHz) For price, delivery, and to place orders, please contact Hittite Microwave Corporation: 12 Elizabeth Drive, Chelmsford, MA 01824 Phone: 978-250-3343 Fax: 978-250-3373 Order Online at www.hittite.com MICROWAVE CORPORATION v04.0701 HMC276QS24 GaAs MMIC 4x2 SWITCH MATRIX, 0.7 - 3.0 GHz Isolation When HL is Connected to OP1* 0 HH to OP1 (state 11) Isolation When VH is Connected to OP1* 0 HH to OP1 (state 8) HL to OP1 (state 6) HL to OP1 (state 7) VL to OP1 (state 6) VL to OP1 (state 5) HH to OP1 (state 6) -10 HH to OP1 (state 12) VH to OP1 (state 10) VL to OP1 (state 9) VH to OP1 (state 11) -10 ISOLATION (dB) -30 -40 -50 -60 0.5 ISOLATION (dB) 3 3.5 4 -20 VL to OP1 (state 11) -20 -30 -40 -50 -60 0.5 1 1.5 2 2.5 1 1.5 2 2.5 3 3.5 4 FREQUENCY (GHz) FREQUENCY (GHz) Isolation When VL is Connected to OP1* Isolation When HH is Connected to OP1* 0 VL to OP1 (state 16) VH to OP1 (state 16) VL to OP1 (state 13) VH to OP1 (state 14) HL to OP1 (state 16) HL to OP1 (state 15) 14 ISOLATION (dB) 0 -10 -20 -30 -40 -50 -60 0.5 HL to OP1 (state 3) VH to OP1 (state 2) HH to OP1 (state 1) HH to OP1 (state 4) VH to OP1 (state 1) HL to OP1 (state 1) -10 SWITCHES - SMT ISOLATION (dB) 2.5 3 3.5 4 -20 -30 -40 -50 -60 0.5 1 1.5 2 1 1.5 2 2.5 3 3.5 4 FREQUENCY (GHz) FREQUENCY (GHz) Isolation When HL is Connected to OP2* 0 HH to OP2 (state 11) Isolation When VL is Connected to OP2* 0 VH to OP2 (state 1) -10 HH to OP2 (state 15) VH to OP2 (state7) VL to OP2 (state 11) VL to OP2 (state 3) -10 VH to OP2 (state 5) HH to OP2 (state 1) HH to OP2 (state 13) HL to OP2 (state 1) HL to OP2 (state 9) ISOLATION (dB) -30 -40 -50 -60 0.5 ISOLATION (dB) 3 3.5 4 -20 VH to OP2 (state 11) -20 -30 -40 -50 -60 0.5 1 1.5 2 2.5 1 1.5 2 2.5 3 3.5 4 FREQUENCY (GHz) FREQUENCY (GHz) * Isolation is recorded above insertion loss & measured at output of switch. For price, delivery, and to place orders, please contact Hittite Microwave Corporation: 12 Elizabeth Drive, Chelmsford, MA 01824 Phone: 978-250-3343 Fax: 978-250-3373 Order Online at www.hittite.com 14 - 152 MICROWAVE CORPORATION v04.0701 HMC276QS24 GaAs MMIC 4x2 SWITCH MATRIX, 0.7 - 3.0 GHz Isolation When VH is Connected to OP2* 0 -10 HH to OP2 (state 14) HL to OP2 (state 6) VL to OP2 (state 2) VL to OP2 (state 6) HH to OP2 (state 6) HL to OP2 (state 10) Isolation When HH is Connected to OP2* 0 -10 HL to OP2 (state 12) HL to OP2 (state 16) VH to OP2 (state 8) VH to OP2 (state 16) VL to OP2 (state 16) VL to OP2 (state 4) ISOLATION (dB) -30 -40 -50 -60 0.5 ISOLATION (dB) 2.5 3 3.5 4 -20 -20 -30 -40 -50 -60 0.5 1 1.5 2 1 1.5 2 2.5 3 3.5 4 FREQUENCY (GHz) FREQUENCY (GHz) Output Third Order Intercept Point Path VL to OP1 VL to OP2 HL to OP1 HL to OP2 VH to OP1 VH to OP2 HH to OP1 HH to OP2 State 1 1 11 11 6 6 16 16 F1 Pout (dBm) -12 -12 -12 -12 -12 -12 -12 -12 Pout Intermod (dBm) -106 -114 -108 -110 -115 -115 -116 -114 IMR (dBc) 94 102 96 98 103 103 104 102 Output IP3 (dBm) 35 39 36 37 39.5 39.5 40 39 14 SWITCHES - SMT 14 - 153 Test Conditions Temperature = +25 C F1 = 2150 (MHz): -12 dBm at the Output F2 = 2151 (MHz): -12 dBm at the Output Vdd = +5V VCTL Low = 0V, High = +5V * Isolation is recorded above insertion loss & measured at output of switch. For price, delivery, and to place orders, please contact Hittite Microwave Corporation: 12 Elizabeth Drive, Chelmsford, MA 01824 Phone: 978-250-3343 Fax: 978-250-3373 Order Online at www.hittite.com MICROWAVE CORPORATION v04.0701 HMC276QS24 GaAs MMIC 4x2 SWITCH MATRIX, 0.7 - 3.0 GHz Truth Table Control Input State 1 2 3 4 5 6 7 8 9 10 11 12 13 HV 1 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1 Tone 1 0 0 0 0 1 1 1 1 0 0 0 0 1 1 1 1 HV 2 0 0 1 1 0 0 1 1 0 0 1 1 0 0 1 1 Tone 2 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 Output to Input State OP1 VL VL VL VL VH VH VH VH HL HL HL HL HH HH HH HH OP2 VL VH HL HH VL VH HL HH VL VH HL HH VL VH HL HH VL to OP1 LOSS LOSS LOSS LOSS ISOL ISOL ISOL ISOL ISOL ISOL ISOL ISOL ISOL ISOL ISOL ISOL HL to OP1 ISOL ISOL ISOL ISOL ISOL ISOL ISOL ISOL LOSS LOSS LOSS LOSS ISOL ISOL ISOL ISOL VH to OP1 ISOL ISOL ISOL ISOL LOSS LOSS LOSS LOSS ISOL ISOL ISOL ISOL ISOL ISOL ISOL ISOL RF Path State HH to OP1 ISOL ISOL ISOL ISOL ISOL ISOL ISOL ISOL ISOL ISOL ISOL ISOL LOSS LOSS LOSS LOSS VL to OP2 LOSS ISOL ISOL ISOL LOSS ISOL ISOL ISOL LOSS ISOL ISOL ISOL LOSS ISOL ISOL ISOL HL to OP2 ISOL ISOL LOSS ISOL ISOL ISOL LOSS ISOL ISOL ISOL LOSS ISOL ISOL ISOL LOSS ISOL VH to OP2 ISOL LOSS ISOL ISOL ISOL LOSS ISOL ISOL ISOL LOSS ISOL ISOL ISOL LOSS ISOL ISOL HH to OP2 ISOL ISOL ISOL LOSS ISOL ISOL ISOL LOSS ISOL ISOL ISOL LOSS ISOL ISOL ISOL LOSS 14 SWITCHES - SMT 14 15 16 Control Voltages HV1, Tone1, HV2, Tone2 State Low (0) High (1) Bias Condition 0 to 0.8 Vdc @ 5 A Typical +2.0 to +5.0 Vdc @ 25 A Typical Bias Voltage Vdd Range = +5.0 Vdc 10 % Vdd (Vdc) +5.0 Idd (Typ.) (mA) 1 Idd (Max.) (mA) 2 DC Blocking And Decoupling Capacitors The HMC276QS24 requires DC blocks on all 6 RF ports (OP1, OP2, VL, HL, VH, HH). Characterization on the HMC276QS24 was done using 0603 size 330pF capacitors on all RF ports. A 0.01F DC decoupling capacitor (0603 size) is recommended for the Vdd pin. 14 - 154 For price, delivery, and to place orders, please contact Hittite Microwave Corporation: 12 Elizabeth Drive, Chelmsford, MA 01824 Phone: 978-250-3343 Fax: 978-250-3373 Order Online at www.hittite.com MICROWAVE CORPORATION v04.0701 HMC276QS24 GaAs MMIC 4x2 SWITCH MATRIX, 0.7 - 3.0 GHz Absolute Maximum Ratings Bias Voltage Range (Vdd) Control Voltage Range (All Logic Lines) Storage Temperature Operating Temperature Maximum Input Power +8.0 Vdc Vdd +0.5 to -0.2V Vdc -65 to +150 C -40 to +85 C +17 dBm (700 - 2150 MHz) Outline Drawing 14 SWITCHES - SMT NOTES: 1. PACKAGE BODY MATERIAL: LOW STRESS INJECTION MOLDED PLASTIC SILICA AND SILICON IMPREGNATED. 2. LEADFRAME MATERIAL: COPPER ALLOY 3. LEADFRAME PLATING: Sn/Pb SOLDER 4. DIMENSIONS ARE IN INCHES [MILLIMETERS]. 5. DIMENSION DOES NOT INCLUDE MOLDFLASH OF 0.15mm PER SIDE. 6. DIMENSION DOES NOT INCLUDE MOLDFLASH OF 0.25mm PER SIDE. 7. ALL GROUND LEADS MUST BE SOLDERED TO PCB RF GROUND. For price, delivery, and to place orders, please contact Hittite Microwave Corporation: 12 Elizabeth Drive, Chelmsford, MA 01824 Phone: 978-250-3343 Fax: 978-250-3373 Order Online at www.hittite.com 14 - 155 MICROWAVE CORPORATION v04.0701 HMC276QS24 GaAs MMIC 4x2 SWITCH MATRIX, 0.7 - 3.0 GHz Switch Application Circuit for 4x4 Switch Matrix The HMC276QS24 switch can operate as a 4x4 switch by connecting the 4 inputs of two switches directly together. The VL, VH, HL, and HH inputs of the first switch should be connected to the second switch, as illustrated. Mirror image switch performance can be realized by inverting the HV1 & HV2 logic control signals of one of the HMC276QS24 switches. The input loading impedance of two switches in parallel should be 31.25 ohms. The output loading impedance on each output should be 75 ohms. The interconnect RF line between the switch's inputs should be an RF trace with a characteristic impedance of 62.5 ohms. This will allow the switch to remain matched in all possible switch states. The HMC276QS24 does not provide output to output (OP1 to OP2) isolation. For this reason,It is recommended that external amplifiers should be used at each output. The amplifier's reverse isolation will provide output to output isolation, if this is necessary. Each HMC276QS24 requires DC blocking capacitors on ALL RF input and output ports. 14 SWITCHES - SMT 14 - 156 For price, delivery, and to place orders, please contact Hittite Microwave Corporation: 12 Elizabeth Drive, Chelmsford, MA 01824 Phone: 978-250-3343 Fax: 978-250-3373 Order Online at www.hittite.com MICROWAVE CORPORATION v04.0701 HMC276QS24 GaAs MMIC 4x2 SWITCH MATRIX, 0.7 - 3.0 GHz Evaluation PCB 14 SWITCHES - SMT 14 - 157 J1 The circuit board used in the final application should be generated with proper RF circuit design techniques. Signal lines at the RF port should have 50 ohm impedance and the package ground leads should be connected directly to the ground plane similar to that shown above. A generous number of ground vias should be used to interconnect top/bottom ground planes. The evaluation circuit board shown above is available from Hittite Microwave Corporation upon request. List of Material Item J2 - J7 J1 C1 - C6 U1 PCB* Description PC Mount SMA RF Connector DC Pin 100 pF Capacitor, 0402 Pkg. HMC276QS24 4x2 Switch Matrix Multi Pin DC Interface (J1) Pin 1 2 3 4 5 Line Vdd HV1 GND HV2 GND Tone1 N/C N/C Tone2 102945 Eval Board 6 7 8 9 * Circuit Board Material: Rogers 4350 For price, delivery, and to place orders, please contact Hittite Microwave Corporation: 12 Elizabeth Drive, Chelmsford, MA 01824 Phone: 978-250-3343 Fax: 978-250-3373 Order Online at www.hittite.com |
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