RF210A CONEXANT | Alldatasheet
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2 Conexant 100775A
bands without using any post-LNA image reject filters. the pin is connected to GND and decrease if connected to VCC. For optimal performance, this pin should be left unconnected. between GSM900 and DCS1800 (or PCS1900) bands. maximizes handset standby time. device and Figure 5 provides the tape and reel dimensions. Table 1. RF210(A/B) Signal Description
1 NC No connect 11 ADJMIX Mixer bias adjust pin
2 LNA900GND 900 MHz LNA ground 12 LOGND LO input ground
3 BIASGND Bias ground 13 LOIN LO input
4 LNA900IN 900 MHz LNA input 14 BANDSEL Band selection pin
5 BIASVCC Bias supply 15 BYP1800 Bypass capacitor for 1800 MHz band
6 LNAVCC LNA supply 16 IFOUT– Mixer output (negative)
7 GAINSEL LNA gain select 17 IFOUT+ Mixer output (positive)
8 LNA1800IN 1800 MHz LNA input 18 BYP900 Bypass capacitor for 900 MHz band
9 LNA1800GND 1800 MHz LNA ground 19 MIXGND Mixer ground
10 ENA Device enable (active high) 20 MIXVCC Mixer supply
Table 2. Absolute Maximum Ratings
Table 3. RF210(A/B) Recommended Operating Conditions Table 4. RF210(A/B) Electrical Specifications (1 of 2)
4 Conexant 100775A
Table 4. RF210(A/B) Electrical Specifications (2 of 2) Note 1: Assumes 0 dBm @ 915 MHz blocker at the antenna input attenuated by 28 dB. Note 2: The rejection is specified with respect to the desired signal gain. Note 3: Assumes –12 dBm @ 1785 MHz blocker at the antenna input attenuated by 10 dB.
900 MHz GSM
1800 MHz DCS
400 MHz SAW Filter
Figure 3. Typical RF210(A/B) Application Circuit
6 Conexant 100775A
Figure 4. RF210(A/B) Package Dimensions – 20-Pin TSSOP
- Carrier tape material: black conductive polycarbonate
- Cover tape material: transparent conductive PSA
- Cover tape size: 9.3 mm width
- All measurements are in millimeters
Figure 5. RF210(A/B) Tape and Reel Dimensions
Image-Reject Downconverter RF210(A/B) 100775A Conexant 7 Proprietary Information and Specifications are Subject to Change October 20, 1999
Ordering Information
Model Name Manufacturing Part Number Product Revision Dual-Band, Image-Reject Downconverter: 10 dB switchable gain 20 dB switchable gain RF210A RF210B © 2000, Conexant Systems, Inc. All Rights Reserved. Information in this document is provided in connection with Conexant Systems, Inc. ("Conexant") products. These materials are provided by Conexant as a service to its customers and may be used for informational purposes only. Conexant assumes no responsibility for errors or omissions in these materials. Conexant may make changes to specifications and product descriptions at any time, without notice. Conexant makes no commitment to update the information and shall have no responsibility whatsoever for conflicts or incompatibilities arising from future changes to its specifications and product descriptions. No license, express or implied, by estoppel or otherwise, to any intellectual property rights is granted by this document. Except as provided in Conexant’s Terms and Conditions of Sale for such products, Conexant assumes no liability whatsoever. THESE MATERIALS ARE PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESS OR IMPLIED, RELATING TO SALE AND/OR USE OF CONEXANT PRODUCTS INCLUDING LIABILITY OR WARRANTIES RELATING TO FITNESS FOR A PARTICULAR PURPOSE, CONSEQUENTIAL OR INCIDENTAL DAMAGES, MERCHANTABILITY, OR INFRINGEMENT OF ANY PATENT, COPYRIGHT OR OTHER INTELLECTUAL PROPERTY RIGHT. CONEXANT FURTHER DOES NOT WARRANT THE ACCURACY OR COMPLETENESS OF THE INFORMATION, TEXT, GRAPHICS OR OTHER ITEMS CONTAINED WITHIN THESE MATERIALS. CONEXANT SHALL NOT BE LIABLE FOR ANY SPECIAL, INDIRECT, INCIDENTAL, OR CONSEQUENTIAL DAMAGES, INCLUDING WITHOUT LIMITATION, LOST REVENUES OR LOST PROFITS, WHICH MAY RESULT FROM THE USE OF THESE MATERIALS. Conexant products are not intended for use in medical, lifesaving or life sustaining applications. Conexant customers using or selling Conexant products for use in such applications do so at their own risk and agree to fully indemnify Conexant for any damages resulting from such improper use or sale. The following are trademarks of Conexant Systems, Inc.: Conexant™, the Conexant C symbol, and “What’s Next in Communications Technologies”™. Product names or services listed in this publication are for identification purposes only, and may be trademarks of third parties. Third-party brands and names are the property of their respective owners. Additional information, posted at www.conexant.com, is incorporated by reference. Reader Response: Conexant strives to produce quality documentation and welcomes your feedback. Please send comments and suggestions to tech.pubs@conexant.com. For technical questions, contact your local Conexant sales office or field applications engineer.
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