TECHNISONIC INDUSTRIES LIMITED
www.til.ca
TDFM-9100 Installation Instructions
TiL 13RE483A
2-13
B.
Determine if the image frequency for the VHF Comm falls within the range of the TDFM-9100. If
so, select a set of frequencies that will cause the TDFM-9100 to be set as close as possible to the
image frequency. Any one of the many possible sets will suffice. Record those values in the
spaces provided in the following chart. Modulate the TDFM-9100 transmitter on the following
frequencies for at least 20 seconds. Listen for any noise or detected audio signals on the VHF
comm.
Example - Bendix/King KY 196A:
The first IF frequency is 11.4 MHz. The L.O. is above the received frequency (high side injection),
therefore the image frequency is 22.8 MHz above the selected frequency. Set the KY 196A to
120.000 MHz and the TDFM-9000 to 142.8000 MHz.
FREQUENCIES
RESULTS
VHF #1
TDFM-9100
PASS
FAIL
135.975
136.0000
121.150
157.5000
131.250
157.5000
Image:
FREQUENCIES
RESULTS
VHF #2
TDFM-9100
PASS
FAIL
135.975
136.0000
121.150
157.5000
131.250
157.5000
Image:
NOTES:
Содержание TDFM-9100
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