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TRF1500 Pic Telephone, Pic Fax, Hp Support Line, PIC email, Contact Information
Models:
TRF1500
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TRF1500 Dual-BandReceiver Block Diagram
Low-BandLNA Input Configuration
Wireless Communications Business Unit
Control state SEE APPENDIX A TEST BENCH SETUPS
Power Amp
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CONTACT INFORMATION
PIC TELEPHONE
(972)
644-5580
PIC FAX
(972)
480-7800
HP SUPPORT LINE
(972)
480-7872
PIC email
sc-infomaster@ti.com
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Contents
Wireless Communications Business Unit
Digital Signal Processing Solutions July
Evaluation Board Documentation
APPLICATION BRIEF SWRA004A
IMPORTANT NOTICE
TRADEMARKS
PIC TELEPHONE
PIC FAX
HP SUPPORT LINE
PIC email
Contents
Low-Bandand High-BandTransmit
Figures
Tables
Abstract
Product Support
Switches
Power Amp
SWRA004A
Related Documentation
World Wide Web
Introduction
External Components
Design Considerations
Board Design and Impedance Matching
TRF 1500 Dual-BandReceiver
Figure 1. TRF1500 Dual-BandReceiver Block Diagram
Table 1. Pin Descriptions
Pin Number
Name
Description
Page
Control Code
TRF1500 Control State
Active Circuits
Page
Low-BandLNA Turn on Time
Low-BandLNA
Figure 3. Voltage Divider at Low-BandLNA Input
Low-BandLNA Input
Figure 4. Low-BandLNA Input Configuration
Low-BandLNA Output
Surface Acoustic Wave SAW Filter
Figure 5. Low-BandLNA Output Configuration
Figure 6. SAW Filter Insertion Loss
Low-BandMixer
Figure 7. Low-BandMixer RF Input Configuration
Low-BandMixer RF Input
Low-BandMixer LO Input
Figure 8. Low-BandMixer LO Input Configuration
Low-BandIF Output
Figure 9. Low-BandIF Output Configuration
Low-BandLO Buffer Amplifier Output
SWRA004A
Low-BandCascaded Test Guide
LOW-BandCascaded Power Conversion Gain
Low-BandCascaded Power Conversion Gain Reduction
Low-BandCascaded Noise Figure
Transmission line, filter and circulator
Low-BandCascaded RF Input Return Loss
Low-BandCascaded LO Input Return Loss
LOW BAND LO Buffer Output Power
Low-Band Power Leakage LO In to RF In
Control state SEE APPENDIX A TEST BENCH SETUPS
Low-BandCascaded 1dB RF Input Compression Point
Low-BandCascaded 1dB Blocking Point
Page
High-BandRF Input
Figure 12. High-BandRF Input Configuration
High-BandLO Input
Note To use the high-bandLO input, remove C40 and
Figure 15. High-BandIF Output Configuration
High-BandIF Output
High-BandLO Buffer Amplifier Output
High-BandCascaded Test Guide
High-BandCascaded Power Conversion Gain
6Calculate the Cascaded Gain as
High-BandCascaded Image Rejection
High-BandCascaded Noise Figure
High-BandCascaded RF Input Return Loss
High-Band LO Buffer Output Power
High-BandCascaded Power Leakage LO In to RF In
High-BandCascaded 1dB Input Compression Point
High-BandCascaded 2X2 Spur Performance
High Band 3X3 Spur Performance
Low- and High-BandTransmit Mixer
Low-Bandand High-BandTransmit
Low-Bandand High-BandTransmit Mixer RF Input
Low- and High-BandTransmit Mixer IF Output
Low-BandTransmit Mixer Test Guide
Low-BandTransmit Mixer Power Conversion Gain
Low-BandTransmit Mixer Noise Figure
Low-BandTransmit Mixer Input Return Loss
4Set the network analyzer to measure S11
4Measure the TX leakage power
Control state SEE APPENDIX A TEST BENCH SETUPS
Control state SEE APPENDIX A TEST BENCH SETUPS
High-BandTransmit Mixer Test Guide
Low-BandLNA Gain
Low-BandLNA Stand-AloneTest Guide
Low-BandLNA Input Return Loss
Low-BandLNA Isolation
Low-BandLNA Output Return Loss
Low-BandLNA 1dB Input Compression Point
Low-BandLNA Noise Figure
5To calibrate the NF Meter
8Calculate the Intermodulation Suppression as
Low-BandReceiver Mixer Stand-AloneTest Guide
Low-BandReceiver Mixer Power Conversion Gain
Low-BandReceiver Mixer Input Return Loss
Low-BandReceiver Mixer Noise Figure
aOn the front panel, press the ENR button
10Measure the Noise Figure
Control state SEE APPENDIX A TEST BENCH SETUPS
Suppression/2 + RF Pin
Input Third-OrderIntercept = Intermodulation
SWRA004A
Appendix A Test Bench Configuration
Figure 22. Test Bench Setup Noise Figure
