Test Setup For Trf6900 Receiver Testing - Texas Instruments TRF6900 User Manual

Testing of the Receiver
3.6 Testing of the Receiver
Figure 3–15. Test Setup for TRF6900 Receiver Testing
10 kHz
PC With
TRF6900 Software
Installed
PC Printer Port
(LPT1 or LPT2)
3.6.1 Test Equipment Setup
Set the external signal generator and oscilloscope according to the following:
Signal Generator
Center frequency
FM frequency deviation from carrier
External modulation input
Pulse Generator Output Waveform
Power Supply Voltage = 8 V
Cable DB25M to DB25F
P1
DB25M
(Male)
AMP_OUT TP
Channel 1
915.000 MHz
50 kHz
10 kHz
Pulse
External Modulation Input
Generator
Signal Generator
Power
Supply
J4
RX_IN
TRF6900
Evaluation
Board
Ground
RXDATA TP
Channel 2
Oscilloscope
Oscilloscope
Channel Volts/Division
1 1
2 2
RSSI TP
+
Voltmeter
–
Ground TP
Time/Division
20 µs
20 µs