Texas Instruments TRF1500 - Manual (Page 71)

SWRA004A
72 TRF1500 Integrated Dual-Band RF Receiver User’s Guide
Appendix A: Test Bench Configuration
Figure 20. Test Bench Setup: Power Conversion Gain, Power Conversion Gain
Reduction, 1dB RF Input Compression Point, Second Order Input
Intercept Point (IIP2), 2x2 Spur Performance, 3x3 Spur Performance,
Image rejection and LO Buffer Output Power
RF SIGNAL
SOURCE
DUT
SPECTRUM
ANALYZER
DC POWER
SUPPLY
DC POWER
METER
LO SIGNAL
SOURCE
RF IN
LO IN
IF OUT
Figure 21. Test Bench Setup: Third Order Input Intercept Point (IIP3), 1dB
Blocking Point Measurements
RF SIGNAL
SOURCE
RF SIGNAL
SOURCE
DUT
SPECTRUM
ANALYZER
LO SIGNAL
SOURCE
DC POWER
SUPPLY
DC POWER
METER
RF IN
LO IN
IF OUT