Texas Instruments TRF1500 Control State, Control State and the Corresponding Active Circuits

Page 16

SWRA004A

TRF1500 Control State

The TRF1500 operates in 18 different states: The control code and active circuits are given in Table 2.

Table 2. Control State and the Corresponding Active Circuits

Control Code		Active Circuits
(HI/LO, SYN ON, RX ON, TX ON, STRONG SIGNAL, X2)
000000	Sleep Mode
010000	Low-Band LO Input Buffer On	LB LO Buffer
011000	Low-Band Receive Normal	LB LO Buffer, LB LNA, LB Mixer
011010	Low-Band Receive Strong Signal	LB LO Buffer, LB Mixer
010100	Low-Band Transmit Mixer	LB LO Buffer, LB TX Mixer

011100	Low-Band Receive and Transmit Mixer	LB LO Buffer, LB LNA (On High), LB Mixer, LB TX
		Mixer
011110	Low-Band Transmit Mixer	LB LO Buffer, LB LNA (On High), LB Mixer

010001	Doubler On	LB LO Buffer, Frequency Doubler, HB LO Buffer
011001	Low-Band Receive Normal, Doubler On	LB LO Buffer, LB LNA, LB Mixer, Frequency
		Doubler
011011	Low-Band Receive Strong Signal, Doubler	LB LO Buffer, LB Mixer, Frequency Doubler
	On
011111	Low-Band Transmit, Doubler On	LB LO Buffer, LB LNA (On High), LB Mixer, LB TX
		Mixer
111011	High-Band Receive Strong Signal, Doubler	HB LO Buffer, HB Mixer, Frequency Doubler
	On
110000	High-Band LO Input Buffer On	HB LO Buffer
111000	High-Band Receive Normal	HB LO Buffer, HB LNA, HB Mixer
111010	High-Band Receive Strong Signal	HB LO Buffer, HB Mixer

111001	High-Band Receive Frequency, Doubler On	LB LO Buffer, HB LO Buffer, HB LNA, HB Mixer,
		Frequency Doubler
110100	High-Band Transmit Normal	HB LO Buffer, HB TX Mixer

110101	High-Band Transmit Frequency, Doubler	HB LO Buffer, HB TX Mixer, Frequency Doubler,
	On	LB LO Buffer

TRF1500 Integrated Dual-Band RF Receiver User’s Guide

17

Image 16

Contents TRF1500 Integrated Dual-Band RF Receiver User’s Guide Important Notice Trademarks PIC Telephone Contents Appendix a Test Bench Configuration Figures TablesTRF1500 Integrated Dual-Band RF Receiver User’s Guide AbstractProduct Support Ingl E Chip Anal OG AS E BRelated Documentation World Wide WebIntroduction External Components Design ConsiderationsBoard Design and Impedance Matching TRF1500 Dual-Band Receiver Block Diagram TRF 1500 Dual-Band ReceiverPin Descriptions Pin Number Name DescriptionStrong Signal TRF1500 Control State Control State and the Corresponding Active CircuitsCascaded Block Diagram of the Low-Band Receiver Section Low-Band LNA Low-Band LNA Turn on TimeLow-Band LNA Input Low-Band LNA OutputLow-Band LNA Output Configuration Surface Acoustic Wave SAW FilterLow-Band Mixer Low-Band Mixer RF InputLow-Band Mixer LO Input Low-Band if OutputLow-Band if Output Configuration Low-Band LO Buffer Amplifier OutputLow-Band Buffer Amplifier Output Configuration Low-Band Cascaded Test Guide LOW-Band Cascaded Power Conversion GainLB LNA, LB Mixer, SAW Filter, and LB if Amp Parameters Low-Band Cascaded Power Conversion Gain Reduction Low-Band Cascaded Noise Figure TRF1500 Integrated Dual-Band RF Receiver User’s Guide Low-Band Cascaded RF Input Return Loss Low-Band Cascaded LO Input Return LossLOW Band LO Buffer Output Power Low-Band Power Leakage LO In to RFLow-Band Cascaded Third Order Input Intercept Point IIP3 Low-Band Cascaded 1dB RF Input Compression Point Low-Band Cascaded 1dB Blocking Point Block Diagram of the High-Band Receiver Section High-Band RF Input High-Band LO InputHigh-Band LO Frequency Doubler Driven Configuration High-Band if Output Configuration High-Band if OutputHigh-Band LO Buffer Amplifier Output Configuration High-Band LO Buffer Amplifier OutputHigh-Band Cascaded Test Guide High-Band Cascaded Power Conversion GainHB LNA, HB mixer, HB if amp High-Band Cascaded Power Conversion Gain Reduction High-Band Cascaded Image Rejection High-Band Cascaded Noise Figure High-Band Cascaded RF Input Return Loss High-Band LO Buffer Output Power High-Band Cascaded Power Leakage LO In to RF High-Band Cascaded Third Order Input Intercept Point IIP3High-Band Cascaded 1dB Input Compression Point High-Band Cascaded 2X2 Spur Performance High Band 3X3 Spur Performance Low- and High-Band Transmit Mixer Low-Band and High-Band TransmitLow-Band and High-Band Transmit Mixer RF Input Low- and High-Band Transmit Mixer RF Input Configuration Low- and High-Band Transmit Mixer if Output ConfigurationLow-Band Transmit Mixer Test Guide Low-Band Transmit Mixer Power Conversion GainLow-Band Transmit Performance Parameters Low-Band Transmit Mixer Noise Figure Low-Band Transmit Mixer Input Return Loss Low-Band Transmit Mixer Power Leakage LO In to TX Low-Band Transmit Mixer Power Leakage TX In to LOLow-Band Transmit Mixer 1dB Input Compression Point See Appendix a Test Bench Setups See Appendix a Test Bench Setups High-Band Transmit Mixer Test Guide High-Band Transmit Mixer Performance ParametersLow-Band LNA Stand-Alone Test Guide Low-Band LNA GainLow-Band LNA Input Return Loss Low-Band LNA ParametersLow-Band LNA Isolation Low-Band LNA Output Return LossLow-Band LNA 1dB Input Compression Point Low-Band LNA Noise Figure Low-Band LNA Third Order Input Intercept Point IIP3 TRF1500 Integrated Dual-Band RF Receiver User’s Guide Low-Band Receiver Mixer Stand-Alone Test Guide Low-Band Receiver Mixer Power Conversion GainLow-Band Receiver Mixer Parameters Low-Band Receiver Mixer Input Return Loss Low-Band Receiver Mixer Power Leakage LO In to RF Low-Band Receiver Mixer Noise FigureTRF1500 Integrated Dual-Band RF Receiver User’s Guide Low-Band Receiver Mixer 1dB RF Input Compression Point 12.2 11.4 10.4 ←1dB Compression Point TRF1500 Integrated Dual-Band RF Receiver User’s Guide Appendix a Test Bench Configuration Test Bench Setup Noise Figure Test Bench Setup Power Leakage RF In to LO In Measurements Test Bench Setup LNA 1dB Input Compression Point