T0781-6C

Features • • • • • • • Active Mixer with Conversion Gain No External LO Driver Necessary Low LO Drive Level Required RF and LO Ports May Be Driven Single-ended Single 5-V Supply Voltage High LO-RF Isolation Broadband Resistive 50-W Impedances on All Three Ports Applications • Infrastructure Digital Communication Systems • 1700 MHz to 2300 MHz Receivers for CDMA/PCS/DCS/UMTS Base Stations Electrostatic sensitive device. Observe precautions for handling. 1700 - 2300 MHz High Linearity SiGe Active Receiver Mixer T0781 Description The T0781 is a high linearity active mixer which is manufactured using Atmel’s advanced Silicon-Germanium technology. This mixer features a frequency range of 1700 MHz to 2300 MHz. It operates from a single 5-V supply and provides 12 dB of conversion gain while requiring only 0 dBm input to the integrated LO driver. An IF amplifier is also included. The T0781 incorporates internal matching on each RF, IF and LO ports to enhance ease of use and to reduce the external components required. The RF and LO inputs can be driven differentially or single-ended. Preliminary Figure 1. Block Diagram RFP RFN 4 5 1 16 13 IFP IFN LOP 12 LON Rev. 4534B–SIGE–01/03 1 Pin Configuration Figure 2. Pinning SSOP16 IFP VCC GND RFP RFN GND VCC L1 1 2 3 4 5 6 7 8 16 15 14 13 12 11 10 9 IFN VCC GND LOP LON GND VCC L2 Pin Description Pin 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 Symbol IFP VCC GND RFP RFN GND VCC L1 L2 VCC GND LON LOP GND VCC IFN Function IF positive output 5-V power supply Ground RF positive input RF negative input Ground 5-V power supply External inductor terminal External inductor terminal 5-V power supply Ground Local oscillator, negative input Local oscillator, positive input Ground 5-V power supply IF negative output 2 T0781 4534B–SIGE–01/03 T0781 Absolute Maximum Ratings (1) All voltages are referred to GND. Parameters Supply voltage LO input IF input Operating temperature Storage temperature Notes: Symbol VCC LOP, LON RFP, RFN TOP Tstg Value 5.5 10 15 -40 to +85 -65 to +150 Unit V dBm V °C °C 1. The device may not survive all maximum values applied simultaneously. Thermal Resistance Parameters Junction ambient Junction case Symbol RthJA RthJC Value TBD 46 Unit K/W °C/W Electrical Characteristics Test Conditions: VCC = 5 V, Tamb = 25°C, RF input: -40 dB at 1880 MHz, LO input: 0 dBm at 1680 MHz Test Conditions For RF = 2000 to 2300 MHz operation, single-ended RF + LO drive is recommended 1700 to 2000 MHz Operation Pin 4, 5 Symbol fRF Min. 1700 Typ. Max. 2000 2000 to 2300 MHz Operation Min. 2000 Typ. Max. 2300 Unit MHz Type* B, C No. 1 1.1 Parameters AC Performance RF frequency range 1.11 1.2 1.3 LO frequency range IF frequency range Input IP3 RF1 = RF2 = -15 dBm/tone, 1 MHz spacing 1, 16 4, 5 fLO FIF IIP3 1400 30 12 200 15 2000 300 1700 30 12 200 15 2300 300 MHz MHz dBm B, C B, C D 1.4 1.5 Input P1dB Conversion gain 4, 5 1, 16 P1dB G 1 9 2 12 3 6 5 9 dBm dB D A *) Type means: A = 100% tested, B = 100% correlation tested, C = Characterized on samples, D = Design parameter Note: 1. The return losses shown were measured with the T0781 mounted on Atmel’s FR4 evaluation boards using standard matching practices as indicated on the respective application schematic (see Figure 23 and Figure 24). Users following the RF, LO and IF matching guidelines will achieve similar performance. 3 4534B–SIGE–01/03 Electrical Characteristics (Continued) Test Conditions: VCC = 5 V, Tamb = 25°C, RF input: -40 dB at 1880 MHz, LO input: 0 dBm at 1680 MHz Test Conditions 1700 to 2000 MHz Operation Pin 1, 16 Matched to 50 W (1) Matched to 50 W (1) Matched to 50 W (1) Matched to 50 W 4, 5 12, 13 1, 16 12, 13 12, 13 12, 13 Symbol NFSSB RLRF RLLO RLIF PLO -3 Min. Typ. 14 20 20 20 0 +3 -3 Max. 15 2000 to 2300 MHz Operation Min. Typ. 16 20 20 20 0 +3 Max. 19 Unit dB dB dB dB dBm Type* D D D D D No. 1.6 1.7 1.8 1.9 1.10 2 2.1 2.2 2.3 3 3.1 Parameters SSB noise figure RF return loss LO return loss IF return loss LO drive Isolation Performance Leakage (LO-RF) Leakage (LO-IF) Leakage (RF-IF) Miscellaneous Supply voltage 2, 7, 10, 15 2, 7, 10, 15 VCC 4.75 5.0 5.25 4.75 5.0 5.25 V A ALO-RF ALO-IF -60 -30 -53 -40 -20 -40 -30 -30 -35 -20 -20 -25 dBm dBm dBm D D D 3.2 Supply current ICC 160 180 160 180 mA A *) Type means: A = 100% tested, B = 100% correlation tested, C = Characterized on samples, D = Design parameter Note: 1. The return losses shown were measured with the T0781 mounted on Atmel’s FR4 evaluation boards using standard matching practices as indicated on the respective application schematic (see Figure 23 and Figure 24). Users following the RF, LO and IF matching guidelines will achieve similar performance. 4 T0781 4534B–SIGE–01/03 T0781 1700 MHz to 2000 MHz: Typical Device Performance Figure 3. Conversion Gain Versus Temperature, PLO = 0 dBm Conversion Gain vs Tem perature Plo = 0dBm 20.0 Conversion Gain (dB) 16.0 12.0 8.0 4.0 0.0 1400 -40ºC +25ºC +85ºC 1600 1800 2000 Frequency (MHz) 2200 Figure 4. Conversion Gain Versus LO Drive, Tamb = 25°C Conversion Gain vs LO Drive T=+25ºC 20.0 Conversion Gain (dB) 16.0 12.0 8.0 4.0 0.0 1400 -3 dBm 0 dBm +3 dBm 1600 1800 2000 Frequency (MHz) 2200 Figure 5. Leakages, PLO = 0 dBm at Pins, PRF = -20 dBm at Pins, Tamb = 25°C Leakages Plo=0 dBm at pins, Prf=-20 dBm at pins, T=+25ºC 0 Leakage (dBm) -20 -40 -60 -80 1400 LO-RF RF-IF LO-IF 1600 1800 2000 Frequency (MHz) 2200 5 4534B–SIGE–01/03 Figure 6. Input IP3 Versus Temperature PLO = 0 dBm Input IP3 vs Tem perature Plo = 0dBm 20.0 Input IP3 (dBm) 18.0 16.0 14.0 12.0 10.0 1700 -40ºC +25º C +85º C 1750 1800 1850 1900 1950 2000 Frequency (MHz) Figure 7. Input IP3 Versus LO Drive, Tamb = 25°C Input IP3 vs LO Drive T=+25ºC 20.0 Input IP3 (dBm) 18.0 16.0 14.0 12.0 10.0 1700 -3 dBm 0 dBm +3dBm 1750 1800 1850 1900 Frequency (MHz) 1950 2000 Figure 8. Noise Figure Versus Temperature, PLO = 0 dBm Noise Figure vs Tem perature Plo=0dBm 20 Noise Figure (dB) 18 16 14 12 10 1700 -40ºC +25ºC +85ºC 1750 1800 1850 1900 1950 2000 Frequency (MHz) 6 T0781 4534B–SIGE–01/03 T0781 Figure 9. RF & LO Return Loss, Tamb = 25°C RF & LO Return Loss (Note 1) T=+25ºC 0 Return Loss (dB) -5 -10 -15 -20 -25 -30 1400 1600 1800 2000 Frequency (MHz) 2200 RF RL LO RL Figure 10. IF Return Loss, Tamb = 25°C IF Return Loss (Note 1) T=+25ºC 0 -5 Reutrn Loss (dB) -10 -15 -20 -25 -30 30 60 90 120 150 180 210 240 270 300 Frequency (MHz) Figure 11. Input P1dB Versus Temperature, PLO = 0 dBm Input P1dB vs Tem perature Plo=0 dBm 5.0 Input P1dB (dBm) 3.0 1.0 -1.0 -3.0 -5.0 1700 -40ºC +25º C +85º C 1750 1800 1850 1900 1950 2000 Frequency (MHz) 7 4534B–SIGE–01/03 Figure 12. Input P1dB Versus LO Drive, Tamb = 25°C Input P1dB vs LO Drive T=+25ºC 5.0 Input P1dB (dBm) 3.0 1.0 -1.0 -3.0 -5.0 1700 -3 dBm 0 dBm +3dBm 1750 1800 1850 1900 1950 2000 Frequency (MHz) 8 T0781 4534B–SIGE–01/03 T0781 2200 MHz to 2300 MHz: Typical Device Performance, Single-ended Drive Figure 13. Conversion Gain Versus Temperature, PLO = 0 dBm Conversion Gain vs Tem perature Plo=0 dBm 20 Conversion Gain (dB) 16 12 8 4 0 2000 -40ºC +25ºC +85ºC 2100 2200 2300 2400 2500 Frequency (MHz) Figure 14. Conversion Gain Versus LO Drive, Tamb = 25°C Conversion Gain vs LO Drive T=+25ºC 20 Conversion Gain (dB) 16 12 8 4 0 2000 -3 dBm 0 dBm +3 dBm 2100 2200 2300 2400 2500 Frequency (MHz) Figure 15. Leakages, PLO = 0 dBm at Pins, PRF = -20 dBm at Pins, Tamb = 25°C Leakages Plo=0 dBm at pins, Prf=-20 dBm at pins, T=+25ºC LO-RF RF-IF LO-IF -20 Leakage (dBm) -25 -30 -35 -40 -45 1800 1900 2000 2100 2200 2300 2400 2500 Frequency (MHz) 9 4534B–SIGE–01/03 Figure 16. Input IP3 Versus Temperature PLO = 0 dBm Input IP3 vs Tem perature Plo=0dBm 20.0 Input IP3 (dBm) 18.0 16.0 14.0 12.0 10.0 2000 -40ºC +25ºC +85ºC 2050 2100 2150 2200 Frequency (MHz) 2250 2300 Figure 17. Input IP3 Versus LO Drive, Tamb = 25°C Input IP3 vs LO Drive T=+25ºC 20.0 Input IP3 (dBm) 18.0 16.0 14.0 12.0 10.0 2000 -3 dBm 0 dBm +3 dBm 2050 2100 2150 2200 Frequency (MHz) 2250 2300 Figure 18. Input P1dB Versus Temperature, Tamb = 25°C Input P1dB vs Tem perature Plo=0dBm 10.0 Input P1dB (dBm) 8.0 6.0 4.0 2.0 0.0 2000 -40ºC +25ºC +85ºC 2050 2100 2150 2200 2250 2300 Frequency (MHz) 10 T0781 4534B–SIGE–01/03 T0781 Figure 19. RF & LO Return Loss, VCC = 5 V, Tamb = 25°C RF & LO Return Loss (Note 1) Vcc=5V, T=+25ºC 0 -5 Return Loss (dB) -10 -15 -20 -25 -30 -35 1800 1900 2000 2100 2200 2300 2400 RF RL LO RL Frequency (MHz) Figure 20. IF Return Loss, Tamb = 25°C IF Return Loss (Note 1) T=25C 0 Reutrn Loss (dB) -5 -10 -15 -20 -25 -30 30 75 120 165 210 255 300 Frequency (MHz) Figure 21. Input P1dB Versus Temperature, PLO = 0 dBm Input P1dB vs Tem perature Plo=0dBm 10.0 Input P1dB (dBm) 8.0 6.0 4.0 2.0 0.0 2000 -40ºC +25ºC +85ºC 2050 2100 2150 2200 2250 2300 Frequency (MHz) 11 4534B–SIGE–01/03 Figure 22. Input P1dB Versus LO Drive, Tamb = 25°C Input P1dB vs LO Drive T=25C 10.0 Input P1dB (dBm) 8.0 6.0 4.0 2.0 0.0 2000 -3 dBm 0 dBm +3 dBm 2050 2100 2150 2200 2250 2300 Frequency (MHz) Figure 23. 1700 MHz to 2000 MHz Application Schematic (Differential Drive) 5V IFout J5 Lfil Vcc Vcc RFin J3 C3 C7 1 2 3 4 5 6 7 8 L1 T2 IC1 16 15 14 13 12 11 10 9 C9 C1 Vcc L4 C11 C12 T11 J4 LOin T9 C4 L3 C5 Vcc C20 T0781 Vcc C21 L2 Vcc C6 Vcc C10 12 T0781 4534B–SIGE–01/03 T0781 Bill of Materials (for 1700 MHz to 2000 MHz Evaluation Board) Component Designator IC1 J3, J4, J5 T9, T11 T2 Lfil L1, L2 L3 L4 C1, C3, C20, C21 C6, C10 C7, C9 C4, C5 C11, C12 1:1 1:1 1 µH see Table 1 nc nc 6.8 pF 100 pF 120 pF 2.2 pF 3.3 pF Capacitor, 0603 footprint Capacitor, 0603 footprint Capacitor, 0603 footprint Capacitor, 0603 footprint Capacitor, 0603 footprint Value Vendor Atmel Johnson Components Panansonic Mini-Circuits Würth Elektronik TOKO Part Number T0781 142-0701-851 EHF-FD1619 TC1-1 74476401 LL1608-FSR10J Description SiGe receiver mixer SMA connector, end launch with tab, for 0.062 inch board RF transformer IF transformer Inductor, 1210 footprint, minimum 200 mA rating Inductor, 0603 footprint, high Q series The T0781 utilizes an IF tank circuit to maximize performance across the entire IF bandwidth. the off-chip inductors L1 and L2 resonate with an on-chip capacitor (4 pF) to provide IF tunability. therefore, L1 and L2 must be selected such that the resonance occurs at the desired IF. The following table provides the inductor values required on the evaluation board for some common intermediate frequencies. By default, all evaluation board are shipped with L1 = L2 = 100 nH, resulting in a 200 MHz resonant IF. Table 1. IF Tank Circuit IF (MHz) Typical 70 150 200 300 L1, L2 (nH) 680 150 100 39 TOKO Part Number LL2012-FHR68J LL1608-FSR15J LL1608-FSR10J LL1608-FS39NJ 13 4534B–SIGE–01/03 Figure 24. Demo Test Board (Fully Asembled PCB) J5 47 mm T9 C4 C7 C3 L3 T2 C9 IC1 T0781 C1 L4 C11 T11 J3 C5 C20 L1 C6 C10 C12 C21 L2 J4 Lfil CON 2 1 47 mm 14 T0781 4534B–SIGE–01/03 T0781 Figure 25. 2000 MHz to 2300 MHz Application Schematic (Single-ended Drive) 5V IFout J5 Lfil Vcc C3 C2 RFin J3 L3 C5 C7 Vcc C4 Vcc C20 L1 IC 1 1 2 3 4 5 6 7 8 T2 C9 16 15 14 13 12 11 10 9 L2 C1 Vcc C11 LOin R2 L4 J4 T0781 C21 Vcc C12 Vcc C6 Vcc C10 Bill of Materials for (2000 MHz to 2300 MHz Evaluation Board) Component Designator IC1 J3, J4, J5 T2 Lfil L1, L2 L3 L4 C1, C3, C20, C21 C2 C4 C6, C10 C7, C9 C5 C11 C12 R1, R2 1:1 1 µH see Table 1 2.2 nH 3.3 nH 6.8 pF 2.7 pF 18 pF 100 pF 120 pF 2.2 pF 3.3 pF 2.7 pF 0µ Capacitor, 0603 footprint Capacitor, 0603 footprint Capacitor, 0603 footprint Capacitor, 0603 footprint Capacitor, 0603 footprint Resistor, 0603 footprint TOKO LL1608-FSR8NJ Inductor, 0603 footprint, high Q series Capacitor, 0603 footprint Value Vendor Atmel Johnson Components Mini-Circuits Würth Elektronik TOKO Part Number T0781 142-0701-851 TC1-1 74476401 LL1608-FSR10J Description SiGe receiver mixer SMA connector, end launch with tab, for 0.062 inch board IF transformer Inductor, 1210 footprint, minimum 200 mA rating Inductor, 0603 footprint, high Q series 15 4534B–SIGE–01/03 Figure 26. Demo Test Board (Fully Asembled PCB) J5 47 mm T2 C7 C3 C9 IC1 T0781 T0780 C4 R1 C1 R3 R4 C21 L2 C10 C11 C12 J3 C5 R2 C20 L1 C6 J4 Lfil CON 2 1 47 mm Figure 27. Recommended Package Footprint In order to avoid soldering problems, plugging of the ground vias under the heat slug is recommended! 31.75 6.35 0.74 0.4 3.0 0.74 3.0 f0.33 via 0.7 0.9 6.9 all units are in mm - Indicates metalization - vias connect pad to underlying ground plane Remark: Heatslug must be soldered to GND. 16 T0781 4534B–SIGE–01/03 T0781 Ordering Information Extended Type Number T0781-6C Package TSSOP16 Remarks – Package Information 17 4534B–SIGE–01/03 Atmel Headquarters Corporate Headquarters 2325 Orchard Parkway San Jose, CA 95131 TEL 1(408) 441-0311 FAX 1(408) 487-2600 Atmel Operations Memory 2325 Orchard Parkway San Jose, CA 95131 TEL 1(408) 441-0311 FAX 1(408) 436-4314 RF/Automotive Theresienstrasse 2 Postfach 3535 74025 Heilbronn, Germany TEL (49) 71-31-67-0 FAX (49) 71-31-67-2340 1150 East Cheyenne Mtn. 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