PDF T0790 Data sheet ( Hoja de datos )

Número de pieza	T0790
Descripción	700 MHz - 2700 MHz Direct Quadrature Modulator
Fabricantes	ATMEL Corporation
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No Preview Available ! Features • 700 MHz to 2700 MHz Operating Frequency • Very Low Noise Floor Performance • Very Good Sideband and Carrier Suppression • Supports Wideband Baseband Input • Very High Linearity • Very Low LO Leakage • 50 Ω Impedance on RF and LO Port • Low LO Drive Requirements • No External IF Filter • Supply Voltage 5 V • Small SSOP16 Package www.DaAtaSphpeelt4icU.acotmions • Infrastructure Digital Communication Systems • GSM/TDMA/CDMA2000/W-CDMA/UMTS/ISM Band Transceivers • RF Radio Links • Wireless Modem Access Points • High Performance RF Instrumentation Electrostatic sensitive device. Observe precautions for handling. 700 MHz - 2700 MHz Direct Quadrature Modulator T0790 Description The T0790 is a direct quadrature modulator using Atmel’s Silicon-Germanium (SiGe) process. This modulator features a frequency range of 700 to 2700 MHz with excellent carrier and sideband suppression and a very low noise floor. It operates from a single 5 V supply and provides -11 dBm of power while requiring only 0 dBm input to the inte- grated LO driver. An RF and an LO amplifier are also included. The T0790 incorporates internal matching on each RF, IF and LO port to enhance ease of use and to reduce the external components required. The LO input can be driven differentially or single ended. Figure 1. Block Diagram Preliminary BBQ- 16 BBQ+ 1 LO+ LO- 4 5 BBI+ BBI- 8 9 0° 90° 13 RF+ 12 RF- Rev. 4555C–SIGE–11/03 1 page T0790 [Preliminary] RF Electrical Characteristics (1700 to 2000 MHz) (Continued) Test conditions: Unless otherwise noted, the following conditions apply to typical performance specification under static conditions: VCC = 5 V, Tamb = 25° C; baseband inputs: 1.9 V DC bias, 200 kHz frequency, 300 mVP-P, 600 mVP-P differential drive, I/Q signals in quadrature, LO = 1960 MHz; PLO = -5 dBm No. Parameters Test Conditions Pin Symbol Min. Typ. Max. Unit Type* Broadband noise floor 12, 13 PNOISE -155 -148 dBm/ Hz C Quadrature phase error 12, 13 -2 ±0.5 +2 ° B I/Q amplitude balance 12, 13 -0.2 ±0.5 +0.2 dB B ) Type means: A = 100% tested, B = 100% correlation tested, C = Characterized on samples, D = Design parameter www.DataSheet4U.com RF Electrical Characteristics (2300 to 2700 MHz) Test conditions: Unless otherwise noted, the following conditions apply to typical performance specification under static conditions: VCC = 5 V, Tamb = 25° C; baseband inputs: 1.9 V DC bias, 200 kHz frequency, 300 mVP-P, 600 mVP-P differential drive, I/Q signals in quadrature, LO = 2600 MHz; PLO = -5 dBm No. Parameters Test Conditions Pin Symbol Min. Typ. Max. Unit Type RF Output Port RF frequency Output power RF return loss 1-dB output compression point Matched to 50 Ω 12, 13 12, 13 12, 13 12, 13 fRF PRFout PLORL P1dB 2300 -18 -14.5 15 TBD 2700 -13 MHz dBm dB dBm B A D A LO-RF leakage Sideband suppression 12, 13 12, 13 PLORF ASB -40 -32 dBm D 34 40 dB D IM3 suppression Two tone baseband input at 600 mVP-P differential per tone 12, 13 AIM3 TBD dB D Broadband noise floor 12, 13 PNOISE TBD dBm/ Hz C Quadrature phase error 12, 13 -2 ±0.5 +2 ° B I/Q amplitude balance 12, 13 -0.2 ±0.5 +0.2 dB B *) Type means: A = 100% tested, B = 100% correlation tested, C = Characterized on samples, D = Design parameter 4555C–SIGE–11/03 5 5 Page T0790 [Preliminary] Bill of Materials (1700 MHz to 2500 MHz Evaluation Board) Component Reference Vendor Direc Quadrature Modulator D1 Atmel Inductor L1 Würth Elektronik Resistor R1, R2, R6, R7 Resistor R5 Capacitor C3,C16 www.DatCaSapheaecti4toUr.com C4,C15 Electrolytic capacitor C2 Capacitor C5, C6, C12, C13 Capacitor C8, C11 RF transformer 1200 MHz to 2200 MHz T1, T2 Panansonic RF connector P8, P9, P10, P11, P12, P13 Johnson Components Note: 1. May vary due to printed board layout and material. Part Number/ Remark T0790 74476401 EHF-FD1619 142-0711-841 Value(1) Size/Package SSOP16 1 µH 1210 180 Ω 1 kΩ 6.8 pF 1 nF 10 µF 2.7 pF n.c. 0402 0402 0402 0402 Size A 0402 0402 3216 SMA Bill of Materials (2500 MHz to 2700 MHz Evaluation Board) Component Reference Vendor Direc Quadrature Modulator D1 Atmel Inductor L1 Würth Elektronik Resistor R1, R2, R6, R7 Resistor R5 Capacitor C3,C16 Capacitor C4,C15 Electrolytic capacitor C2 Capacitor C5, C12 Capacitor C6, C13 Capacitor C8, C11 RF transformer 1200 MHz to 2200 MHz T1, T2 Panansonic RF connector P8, P9, P10, P11, P12, P13 Johnson Components Note: 1. May vary due to printed board layout and material. Part Number/ Remark T0790 74476401 EHF-FD1619 142-0711-841 Value(1) Size/Package SSOP16 1 µH 1210 180 Ω 1 kΩ 6.8 pF 1 nF 10 µF 1.5 pF 1.8 pF n.c. 0402 0402 0402 0402 Size A 0402 0402 0402 3216 SMA 4555C–SIGE–11/03 11 11 Page

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