Benutzerhandbuch für Texas Instruments TRF1500

Inhaltsverzeichnis

• Abstract

  9
• Product Support

  10
• Block

  10
• Related Documentation

  11
• World Wide Web

  11
• Email

  11
• Introduction

  12
• Design Considerations

  13
• External Components

  13
• Board Design and Impedance Matching

  13
• TRF 1500 Dual-Band Receiver

  14
• Figure 1. TRF1500 Dual-Band Receiver Block Diagram

  14
• Pin Descriptions

  15
• TRF1500 Control State

  17
• Control State and the Corresponding Active Circuits

  17
• Buffer Amplifier

  18
• Figure 2. Cascaded Block Diagram of the Low-Band Receiver Section

  18
• Low-Band LNA

  19
• Low-Band LNA Turn on Time

  19
• Figure 3. Voltage Divider at Low-Band LNA Input

  19
• Low-Band LNA Input

  20
• Low-Band LNA Output

  20
• Figure 4. Low-Band LNA Input Configuration

  20
• Surface Acoustic Wave (SAW) Filter

  21
• Figure 5. Low-Band LNA Output Configuration

  21
• Figure 6. SAW Filter Insertion Loss

  21
• Low-Band Mixer

  22
• Low-Band Mixer RF Input

  22
• Figure 7. Low-Band Mixer RF Input Configuration

  22
• Low-Band Mixer LO Input

  23
• Low-Band IF Output

  23
• Figure 8. Low-Band Mixer LO Input Configuration

  23
• Low-Band LO Buffer Amplifier Output

  24
• Figure 9. Low-Band IF Output Configuration

  24
• Figure 10. Low-Band Buffer Amplifier Output Configuration

  25
• Low-Band Cascaded Test Guide

  26
• LOW-Band Cascaded: Power Conversion Gain

  26
• LB LNA, LB Mixer, SAW Filter, and LB IF Amp Parameters

  26
• Low-Band Cascaded: Power Conversion Gain Reduction

  27
• Low-Band Cascaded: Noise Figure

  28
• Low-Band Cascaded: RF Input Return Loss

  30
• Low-Band Cascaded: LO Input Return Loss

  30
• LOW BAND: LO Buffer Output Power

  31
• Low-Band: Power Leakage LO In to RF In

  31
• Low-Band Cascaded: Third Order Input Intercept Point (IIP3)

  32
• Low-Band Cascaded: 1dB RF Input Compression Point

  33
• Low-Band Cascaded: 1dB Blocking Point

  34
• High-Band Cascaded Receiver Section: LNA, Mixer, LO Buffer Amplifier

  35
• Cascaded High-Band Receiver Section: LNA, Mixer, and LO Amplifier

  35
• Figure 11. Block Diagram of the High-Band Receiver Section

  35
• High-Band RF Input

  36
• High-Band LO Input

  36
• Figure 12. High-Band RF Input Configuration

  36
• Figure 13. High-Band LO Frequency Doubler Driven Configuration

  37
• Figure 14. High-Band LO Directly Driven Configuration

  37
• High-Band IF Output

  38
• Figure 15. High-Band IF Output Configuration

  38
• High-Band LO Buffer Amplifier Output

  39
• Figure 16. High-Band LO Buffer Amplifier Output Configuration

  39
• High-Band Cascaded Test Guide

  40
• High-Band Cascaded: Power Conversion Gain

  40
• HB LNA, HB mixer, HB IF amp

  40
• High-Band Cascaded: Power Conversion Gain Reduction

  41
• High-Band Cascaded: Image Rejection

  42
• High-Band Cascaded: Noise Figure

  43
• High-Band Cascaded: RF Input Return Loss

  44
• High-Band: LO Buffer Output Power

  45
• High-Band Cascaded: Power Leakage LO In to RF In

  46
• High-Band Cascaded: Third Order Input Intercept Point (IIP3)

  46
• High-Band Cascaded: 1dB Input Compression Point

  47
• High-Band Cascaded: 2X2 Spur Performance

  48
• High Band: 3X3 Spur Performance

  49
• Low-Band and High-Band Transmit

  50
• Low- and High-Band Transmit Mixer

  50
• Low-Band and High-Band Transmit Mixer RF Input

  50
• Figure 17. Transmit Mixer Block Diagram

  50
• Low- and High-Band Transmit Mixer IF Output

  51
• Figure 18. Low- and High-Band Transmit Mixer RF Input Configuration

  51
• Figure 19. Low- and High-Band Transmit Mixer IF Output Configuration

  51
• Low-Band Transmit Mixer Test Guide

  52
• Low-Band Transmit Mixer: Power Conversion Gain

  52
• Low-Band Transmit Performance Parameters

  52
• Low-Band Transmit Mixer: Noise Figure

  53
• Low-Band Transmit Mixer: Input Return Loss

  54
• Low-Band Transmit Mixer: Power Leakage LO In to TX In

  55
• Low-Band Transmit Mixer: Power Leakage TX In to LO In

  55
• Low-Band Transmit Mixer: 1dB Input Compression Point

  56
• Low-Band Transmit Mixer: Second Order Input Intercept Point (IIP2)

  57
• Low-Band Transmit Mixer: Third Order Input Intercept Point (IIP3)

  58
• High-Band Transmit Mixer Test Guide

  59
• High-Band Transmit Mixer Performance Parameters

  59
• Low-Band LNA Stand-Alone Test Guide

  60
• Low-Band LNA: Gain

  60
• Low-Band LNA: Input Return Loss

  60
• Low-Band LNA Parameters

  60
• Low-Band LNA: Output Return Loss

  61
• Low-Band LNA: Isolation

  61
• Low-Band LNA: 1dB Input Compression Point

  61
• Low-Band LNA: Noise Figure

  62
• Low-Band LNA: Third Order Input Intercept Point (IIP3)

  63
• Low-Band Receiver Mixer Stand-Alone Test Guide

  65
• Low-Band Receiver Mixer: Power Conversion Gain

  65
• Low-Band Receiver Mixer Parameters

  65
• Low-Band Receiver Mixer: Input Return Loss

  66
• Low-Band Receiver Mixer: Power Leakage LO In to RF In

  67
• Low-Band Receiver Mixer: Noise Figure

  67
• Low-Band Receiver Mixer: 1dB RF Input Compression Point

  69
• Low-Band Receiver Mixer: Third Order Input Intercept Point (IIP3)

  70
• Appendix A: Test Bench Configuration

  72
• and LO Buffer Output Power

  72
• Point Measurements

  72
• Figure 22. Test Bench Setup: Noise Figure

  73
• Figure 23. Test Bench Setup: Power Leakage LO In to RF In

  73
• Figure 24. Test Bench Setup: Power Leakage RF In to LO In Measurements

  74
• Figure 25. Test Bench Setup: LNA Noise Figure Measurements

  74
• Figure 27. Test Bench Setup: LNA 1dB Input Compression Point

  75