DEMOBOARD-U2790B Atmel, DEMOBOARD-U2790B Datasheet
DEMOBOARD-U2790B
Specifications of DEMOBOARD-U2790B
Related parts for DEMOBOARD-U2790B
DEMOBOARD-U2790B Summary of contents
Page 1
... Electrostatic sensitive device. Observe precautions for handling. 1. Description The U2790B is a 1000-MHz quadrature modulator using Atmel cess. It features a frequency range from 100 MHz up to 1000 MHz, low current consumption, and single-ended RF and LO ports. Adjustment-free application makes the direct converter suitable for all digital radio systems up to 1000 MHz, e.g., GSM, ADC, JDC ...
Page 2
Pin Configuration Figure 2-1. Pinning SO16 Table 2-1. Pin Description Pin Symbol Function 1 PU Power-up input 2, 11, 13, 14 GND Ground output Supply voltage Settling time power-up ...
Page 3
Absolute Maximum Ratings Parameters Supply voltage Input voltage Junction temperature Storage temperature range 4. Operating Range Parameters Supply voltage range Ambient temperature range 5. Thermal Resistance Parameters Junction ambient SO16 6. Electrical Characteristics Test conditions (unless otherwise specified): V ...
Page 4
Electrical Characteristics (Continued) Test conditions (unless otherwise specified –10 dBm differential. LO BBi pp Parameters Test Conditions No Input 3.1 Frequency range (1) 3.2 Input level 3.3 Input impedance Voltage ...
Page 5
Diagrams Figure 7-1. Figure 7-2. 4583D–CELL–07/06 Typical Single Sideband Output Spectrum 900 MHz –10 dBm Typical GMSK Output Spectrum U2790B = 4.5V and V = 5.5V ...
Page 6
Figure 7-3. Figure 7-4. U2790B 6 Demo Board Layout OIP3 versus 150 MHz, Level –20 dBm amb 0.2 V BBI 0.4 V BBi -40 -20 ...
Page 7
Figure 7-5. Figure 7-6. Figure 7-7. 4583D–CELL–07/06 OIP3 versus 900 MHz, Level –10 dBm amb 0.4 V BBi 1.0 V BBi -40 ...
Page 8
Figure 7-8. Figure 7-9. U2790B 8 Typical S11 Frequency Response of the RF Output Typical VSWR Frequency Response of the RF Output 4583D–CELL–07/06 ...
Page 9
Figure 7-10. Typical S11 Frequency Response of the LO Input Figure 7-11. Typical VSWR Frequency Response of the LO input 4583D–CELL–07/ 100 LO Frequency (MHz) U2790B 1000 9 ...
Page 10
Figure 7-12. Typical Supply Current versus Temperature at V Figure 7-13. Typical Output Power versus LO-Frequency at T Figure 7-14. Typical required V U2790B -40 - Temperature (°C) VBBI = 230 ...
Page 11
Figure 7-15. Typical useful LO Power Range versus LO Frequency at T Figure 7-16. Application Circuit 220n 220n Baseband 100p LO LO 10k processing adj 220n BB Bi 220n ...
Page 12
Figure 7-17. Demo Board Layout U2790B 12 4583D–CELL–07/06 ...
Page 13
Application Notes 8.1 Noise Floor and Settling Time In order to reduce noise on the power-up control input and improve the wide-off noise floor of the 900-MHz RF output signal, capacitor C shortest possible way. The settling time has ...
Page 14
RF Output Circuitry LO Input Circuitry Figure 8-2. U2790B Input Circuitry 4583D–CELL–07/06 ...
Page 15
Ordering Information Extended Type Number U2790B-NFPH U2790B-NFPG3H 10. Package Information Package SO16 Dimensions 11. Revision History Please note that the following page numbers referred to in this section refer to the specific revision mentioned, not to ...
Page 16
... Disclaimer: The information in this document is provided in connection with Atmel products. No license, express or implied, by estoppel or otherwise, to any intellectual property right is granted by this document or in connection with the sale of Atmel products. EXCEPT AS SET FORTH IN ATMEL’S TERMS AND CONDI- TIONS OF SALE LOCATED ON ATMEL’S WEB SITE, ATMEL ASSUMES NO LIABILITY WHATSOEVER AND DISCLAIMS ANY EXPRESS, IMPLIED OR STATUTORY WARRANTY RELATING TO ITS PRODUCTS INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT ...