T0782

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 Applications • Digital Communication Systems • 2200 MHz to 2700 MHz Transceivers for Base Stations Electrostatic sensitive device. Observe precautions for handling. 2200-2700 MHz High Linearity SiGe Active Receive Mixer 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. 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. Preliminary 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 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 Absolute Maximum Ratings All voltages are referred to GND Parameters Supply voltage LO input IF input Operating temperature Storage temperature Symbol VCC LOP, LON RFP, RFN TOP Tstg Value 5 to 6.0 10 15 -40 to +85 -40 to +150 Unit V dBm dBm °C °C 2 T0782 4526A–SIGE–03/02 T0782 Thermal Resistance Parameter Junction ambient Symbol RthJA Value TBD Unit K/W 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 AC Performance Frequency range IF frequency range Output IP3 Output P1dB Conversion gain SSB noise figure RF return loss LO return loss IF return loss LO drive Isolation Performance Leakage (LO-RF) Leakage (LO-IF) Miscellaneous Supply voltage Supply current VCC ICC 4.75 5 150 5.25 V mA –30 –30 dBm dBm –3 RF1 = RF2 = –17 dBm/tone f FIF IP3 2200 10 200 15.5 4.5 10.5 15.5 14 14 14 0 +3 2700 300 MHz MHz dBm dBm dB dB dB dB dB dBm Test Conditions / Pins Pin Symbol Min. Typ. Max. Unit Type * *) 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  7 q  à  v h B 10 8 6 2300 2350 2400 2450 2500 2550 SAà A…r„ˆrp’ à  HC“ 3 4526A–SIGE–03/02 Figure 4. Return Loss versus RF Frequency, VCC = 5.0 V 0 -10  i q  à † † ‚ G à  … ˆ ‡ r S -20 -30 -40 -50 2300 2350 2400 2450 2500 2550 SAà A… r„ˆrp’ à  HC“ Figure 5. Return Loss at LO Input, VCC = 5.0 V 0 -10  i q  à † † ‚ G à  … ˆ ‡ r S -20 -30 -40 -50 2000 2100 2200 2300 2400 2500 GPà A… r„ˆrp’à HC“ Figure 6. Return Loss versus IF Frequency, VCC = 5.0 V 0 5  i q  à † † ‚ G à  … ˆ ‡ r S 10 15 20 25 150 175 200 D Aà A… r„ˆrp’ à  HC“ 225 250 4 T0782 4526A–SIGE–03/02 T0782 Figure 7. Demo Test Board Schematic 5V IFout J5 Lfil Vcc C3 T2 C7 IC1 1 2 3 4 5 6 7 8 L1 16 15 14 13 12 11 10 9 C9 C1 Vcc C4 RFin J3 C5 R2 C20 R1 Vcc R3 L4 R4 C21 L2 C12 C11 LOin J4 Vcc T0782 Vcc Vcc C6 Vcc C10 Bill of Material Component Designator IC1 J3, J4, J5 T2 Lfil L1, L2 C1, C3, C20, C21 C6, C10 C7, C9 C4, C5 C11, C12 R1, R2, R3, R4 L4 1:1 1 µH 100 nH 5.6 pF 100 pF 120 pF 1.2 pF 1.5 pF 0Ω 27 nH TOKO LL1608-FSR10J Value Vendor Atmel Johnson Components Mini-circuits Part Number T0782 142-0701-851 TC1-1 Description SiGe receiver mixer SMA connector, end launch with tab, for 0.062 inch thick board IF transformer Inductor, 1210 footprint, minimum 200 mA rating Inductor, 0603 footprint, high Q series Capacitor, 0603 footprint Capacitor, 0603 footprint Capacitor, 0603 footprint Capacitor, 0603 footprint Capacitor, 0603 footprint Resistor, 0603 footprint Inductor, 0603 footprint 5 4526A–SIGE–03/02 Figure 8. Demo Test Board (Fully Assembled PCB) J5 47 mm T2 C7 C3 C4 L3 C5 C20 L1 C6 C9 IC1 T0782 T9 C1 L4 C11 T11 J3 C12 C21 L2 C10 J4 Lfil CON 2 1 47 mm Figure 9. Recommended Package Footprint 31.75 6.35 0.74 0.4 0.74 3.0 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 T0782 Package SSOP16 Remarks Package Information 7 4526A–SIGE–03/02 Atmel Headquarters Corporate Headquarters 2325 Orchard Parkway San Jose, CA 95131 TEL 1(408) 441-0311 FAX 1(408) 487-2600 Atmel Operations Memory Atmel Corporate 2325 Orchard Parkway San Jose, CA 95131 TEL 1(408) 436-4270 FAX 1(408) 436-4314 RF/Automotive Atmel Heilbronn Theresienstrasse 2 Postfach 3535 74025 Heilbronn, Germany TEL (49) 71-31-67-0 FAX (49) 71-31-67-2340 Atmel Colorado Springs 1150 East Cheyenne Mtn. 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