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-Ω Impedances on All Three Ports Small SSO16 Package 2200-2700 MHz High Linearity SiGe Active Receive Mixer Applications • Digital Communication Systems • 2200 MHz to 2700 MHz Transceivers for Base Stations Electrostatic sensitive device. Observe precautions for handling. T0782 Description The T0782 is a high-linearity active mixer which is manufactured using Atmel’s advanced Silicon-Germanium technology. This mixer features a frequency range of 2200 MHz to 2700 MHz. It operates from a single 5-V supply and provides 10 dB of conversion gain while requiring only 0 dBm input to the integrated LO driver. An IF amplifier is also included. Preliminary The T0782 incorporates internal matching on each RF, IF and LO port to enhance ease of use and to reduce the external components required. The RF and LO inputs can be driven differentially or single-ended. Figure 1. Block Diagram RFP RFN 4 5 1 16 13 IFP IFN LOP 12 LON Rev. 4526A–SIGE–03/02 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 Symbol Function 1 IFP IF positive output 2 VCC 5-V power supply 3 GND Ground 4 RFP RF positive input 5 RFN RF negative input 6 GND Ground 7 VCC 5-V power supply 8 L1 External inductor terminal 9 L2 External inductor terminal 10 VCC 5-V power supply 11 GND Ground 12 LON Local oscillator, negative input 13 LOP Local oscillator, positive input 14 GND Ground 15 VCC 5-V power supply 16 IFN IF negative output Absolute Maximum Ratings All voltages are referred to GND Parameters Symbol Value Unit VCC 5 to 6.0 V LO input LOP, LON 10 dBm IF input RFP, RFN 15 dBm Supply voltage Operating temperature TOP -40 to +85 °C Storage temperature Tstg -40 to +150 °C 2 T0782 4526A–SIGE–03/02 T0782 Thermal Resistance Parameter Symbol Value Unit RthJA TBD K/W Junction ambient Electrical Characteristics Test conditions: Vcc = +5 V, Tamb = +25°C RF input: –20 dBm at 2450 MHz LO output: 0 dBm at 2250 MHz No. Parameters Test Conditions / Pins Pin Symbol Min. f 2200 FIF 10 Typ. Max. Unit 2700 MHz 300 MHz Type * AC Performance Frequency range IF frequency range Output IP3 RF1 = RF2 = –17 dBm/tone 200 IP3 15.5 dBm Output P1dB 4.5 dBm Conversion gain 10.5 dB SSB noise figure 15.5 dB RF return loss 14 dB LO return loss 14 dB IF return loss 14 dB LO drive –3 0 +3 dBm Isolation Performance Leakage (LO-RF) –30 dBm Leakage (LO-IF) –30 dBm Miscellaneous Supply voltage VCC Supply current ICC 4.75 5 5.25 150 V mA *) Type means: A = 100% tested, B = 100% correlation tested, C = Characterized on samples, D = Design parameter Typical Device Performance Figure 3. Conversion Gain versus RF Frequency, VCC = 5.0 V, LO = 0 dBm, RFIN = –20 dBm, IF = 200 MHz 14 12 % G Q L D * 10 8 6 2300 2350 2400 2450 2500 2550 5) )UHTXHQF\ 0+] 3 4526A–SIGE–03/02 Figure 4. Return Loss versus RF Frequency, VCC = 5.0 V 0 -10 E G V V R / Q U X W H 5 -20 -30 -40 -50 2300 2350 2400 2450 2500 2550 2400 2500 5) )U HTXHQF\ 0+] Figure 5. Return Loss at LO Input, VCC = 5.0 V 0 -10 E G V V R / Q U X W H 5 -20 -30 -40 -50 2000 2100 2200 2300 /2 )U HTXHQF\ 0+] Figure 6. Return Loss versus IF Frequency, VCC = 5.0 V 0 5 E G V V R / Q U X W H 5 10 15 20 25 150 175 200 225 250 , ) )U HTXHQF\ 0+] 4 T0782 4526A–SIGE–03/02 T0782 Figure 7. Demo Test Board Schematic 5V IFout J5 Lfil C3 1 2 3 4 5 6 7 8 Vcc C4 RFin R1 J3 C5 R2 Vcc C20 L1 T0782 T2 C7 IC1 Vcc C9 16 15 14 13 12 11 10 9 C1 Vcc C11 R3 LOin L4 J4 R4 C12 Vcc C21 L2 Vcc Vcc C6 C10 Bill of Material Component Designator Vendor Part Number IC1 Value Atmel T0782 J3, J4, J5 Johnson Components 142-0701-851 Mini-circuits TC1-1 Description SiGe receiver mixer SMA connector, end launch with tab, for 0.062 inch thick board T2 1:1 Lfil 1 µH IF transformer L1, L2 100 nH C1, C3, C20, C21 5.6 pF Capacitor, 0603 footprint C6, C10 100 pF Capacitor, 0603 footprint C7, C9 120 pF Capacitor, 0603 footprint C4, C5 1.2 pF Capacitor, 0603 footprint C11, C12 1.5 pF Capacitor, 0603 footprint Inductor, 1210 footprint, minimum 200 mA rating TOKO LL1608-FSR10J Inductor, 0603 footprint, high Q series R1, R2, R3, R4 0Ω Resistor, 0603 footprint L4 27 nH Inductor, 0603 footprint 5 4526A–SIGE–03/02 Figure 8. Demo Test Board (Fully Assembled PCB) J5 47 mm T2 C9 C1 IC1 T0782 T9 C7 C3 C4 L3 T11 C12 C21 C5 C20 J3 C11 L4 C6 J4 L2 L1 C10 Lfil CON 2 1 47 mm Figure 9. Recommended Package Footprint 31.75 3.0 6.35 0.74 0.4 0.74 3.0 φ0.33 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. 6 T0782 4526A–SIGE–03/02 T0782 Ordering Information Extended Type Number Package T0782 SSOP16 Remarks Package Information 7 4526A–SIGE–03/02 Atmel Headquarters Atmel Operations Corporate Headquarters Memory 2325 Orchard Parkway San Jose, CA 95131 TEL 1(408) 441-0311 FAX 1(408) 487-2600 Europe Atmel Sarl Route des Arsenaux 41 Casa Postale 80 CH-1705 Fribourg Switzerland TEL (41) 26-426-5555 FAX (41) 26-426-5500 Asia Atmel Asia, Ltd. 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