 |
|||
|
|
|||
| ||||||||||
|
|  MIL-N-81207A(AS)
clocks shall equal zero degrees and 3599 clocks shall equal 359.9
degrees. The clock shall effectively divide the total rectangular
wave period into 3600 equal parts. Clock pulse characteristics
when loaded with 91 ohms and 500 pf to ground shall be as follows:
Logical 1
5.0 Volts dc 1.0 Volts dc
Logical O
0.0 Volts dc 0.5 Volts dc
Rise Time
10% to 90% of amplitude - 2.0 microseconds maximum
Fall Time
90% to 10% of amplitude - 2.0 microseconds maximum
3.5.7.15.4
TACAN Bearing Validity - A signal shall be
provided to indicate when TACAN bearing is valid. Bearing
validity signal characteristics when loaded with 91 ohms and 500
pf to ground shall be as follows:
12.0 to 30.0 Volts dc continuous
Bearing Valid
0.0 Volts dc 0.5 Volts dc continuous
Bearing Not Valid
TACAN Range Validity - A signal shall be
3.5.7.15.5
provided to indicate when TACAN range is valid. Range validity
signal characteristics shall be as follows:
Range Valid
12.0 to 30.0 Volts dc continuous
0,0 Volts dc 0.5 Volts dc continuous
Range Not Valid
3.5.7.15.6
TACAN X/Y Select - A signal shall be provided
to indicate the selected channel type l The X/Y select signal
characteristics shall be as follows:
"X" Channel Selected - 12 to 30 Volts dc continuous
"Y" Channel Selected - 0.0 0.5 Volts dc continuous
The source impedance which the TACAN X/Y Select signal generator
shall exhibit are as follows:
"x" Channel Selected - greater than 1000 ohms
"Y" Channel Selected - less than 100 OhmS
TACAN Station Identity - TACAN channels 1-126
3.5.7.15.7
shall be Provided to Data Link encoded on 7 lines in natural
binary form. Provisions shall be included to set the binary TACAN
station lines to binary zero when the air-to-air mode is selected.
TACAN station signal characteristics shall be as follows:
0.0 Volts dc 0.5 Volts dc
Logical 1
12 to 30 volts dc
Logical O
48.
|
|
Privacy Statement - Press Release - Copyright Information. - Contact Us |
Click
here for thousands of PDF manuals