用户手册目录Abstract9Product Support10Block10Related Documentation11World Wide Web11Email11Introduction12Design Considerations13External Components13Board Design and Impedance Matching13TRF 1500 Dual-Band Receiver14Figure 1. TRF1500 Dual-Band Receiver Block Diagram14Pin Descriptions15TRF1500 Control State17Control State and the Corresponding Active Circuits17Buffer Amplifier18Figure 2. Cascaded Block Diagram of the Low-Band Receiver Section18Low-Band LNA19Low-Band LNA Turn on Time19Figure 3. Voltage Divider at Low-Band LNA Input19Low-Band LNA Input20Low-Band LNA Output20Figure 4. Low-Band LNA Input Configuration20Surface Acoustic Wave (SAW) Filter21Figure 5. Low-Band LNA Output Configuration21Figure 6. SAW Filter Insertion Loss21Low-Band Mixer22Low-Band Mixer RF Input22Figure 7. Low-Band Mixer RF Input Configuration22Low-Band Mixer LO Input23Low-Band IF Output23Figure 8. Low-Band Mixer LO Input Configuration23Low-Band LO Buffer Amplifier Output24Figure 9. Low-Band IF Output Configuration24Figure 10. Low-Band Buffer Amplifier Output Configuration25Low-Band Cascaded Test Guide26LOW-Band Cascaded: Power Conversion Gain26LB LNA, LB Mixer, SAW Filter, and LB IF Amp Parameters26Low-Band Cascaded: Power Conversion Gain Reduction27Low-Band Cascaded: Noise Figure28Low-Band Cascaded: RF Input Return Loss30Low-Band Cascaded: LO Input Return Loss30LOW BAND: LO Buffer Output Power31Low-Band: Power Leakage LO In to RF In31Low-Band Cascaded: Third Order Input Intercept Point (IIP3)32Low-Band Cascaded: 1dB RF Input Compression Point33Low-Band Cascaded: 1dB Blocking Point34High-Band Cascaded Receiver Section: LNA, Mixer, LO Buffer Amplifier35Cascaded High-Band Receiver Section: LNA, Mixer, and LO Amplifier35Figure 11. Block Diagram of the High-Band Receiver Section35High-Band RF Input36High-Band LO Input36Figure 12. High-Band RF Input Configuration36Figure 13. High-Band LO Frequency Doubler Driven Configuration37Figure 14. High-Band LO Directly Driven Configuration37High-Band IF Output38Figure 15. High-Band IF Output Configuration38High-Band LO Buffer Amplifier Output39Figure 16. High-Band LO Buffer Amplifier Output Configuration39High-Band Cascaded Test Guide40High-Band Cascaded: Power Conversion Gain40HB LNA, HB mixer, HB IF amp40High-Band Cascaded: Power Conversion Gain Reduction41High-Band Cascaded: Image Rejection42High-Band Cascaded: Noise Figure43High-Band Cascaded: RF Input Return Loss44High-Band: LO Buffer Output Power45High-Band Cascaded: Power Leakage LO In to RF In46High-Band Cascaded: Third Order Input Intercept Point (IIP3)46High-Band Cascaded: 1dB Input Compression Point47High-Band Cascaded: 2X2 Spur Performance48High Band: 3X3 Spur Performance49Low-Band and High-Band Transmit50Low- and High-Band Transmit Mixer50Low-Band and High-Band Transmit Mixer RF Input50Figure 17. Transmit Mixer Block Diagram50Low- and High-Band Transmit Mixer IF Output51Figure 18. Low- and High-Band Transmit Mixer RF Input Configuration51Figure 19. Low- and High-Band Transmit Mixer IF Output Configuration51Low-Band Transmit Mixer Test Guide52Low-Band Transmit Mixer: Power Conversion Gain52Low-Band Transmit Performance Parameters52Low-Band Transmit Mixer: Noise Figure53Low-Band Transmit Mixer: Input Return Loss54Low-Band Transmit Mixer: Power Leakage LO In to TX In55Low-Band Transmit Mixer: Power Leakage TX In to LO In55Low-Band Transmit Mixer: 1dB Input Compression Point56Low-Band Transmit Mixer: Second Order Input Intercept Point (IIP2)57Low-Band Transmit Mixer: Third Order Input Intercept Point (IIP3)58High-Band Transmit Mixer Test Guide59High-Band Transmit Mixer Performance Parameters59Low-Band LNA Stand-Alone Test Guide60Low-Band LNA: Gain60Low-Band LNA: Input Return Loss60Low-Band LNA Parameters60Low-Band LNA: Output Return Loss61Low-Band LNA: Isolation61Low-Band LNA: 1dB Input Compression Point61Low-Band LNA: Noise Figure62Low-Band LNA: Third Order Input Intercept Point (IIP3)63Low-Band Receiver Mixer Stand-Alone Test Guide65Low-Band Receiver Mixer: Power Conversion Gain65Low-Band Receiver Mixer Parameters65Low-Band Receiver Mixer: Input Return Loss66Low-Band Receiver Mixer: Power Leakage LO In to RF In67Low-Band Receiver Mixer: Noise Figure67Low-Band Receiver Mixer: 1dB RF Input Compression Point69Low-Band Receiver Mixer: Third Order Input Intercept Point (IIP3)70Appendix A: Test Bench Configuration72and LO Buffer Output Power72Point Measurements72Figure 22. Test Bench Setup: Noise Figure73Figure 23. Test Bench Setup: Power Leakage LO In to RF In73Figure 24. Test Bench Setup: Power Leakage RF In to LO In Measurements74Figure 25. Test Bench Setup: LNA Noise Figure Measurements74Figure 27. Test Bench Setup: LNA 1dB Input Compression Point75文件大小: 425.7 KB页数: 74Language: English打开用户手册