Section I
f. 30 cps variable phase sine wave
The 30 cps variable phase signal is generated by a 30
cps RC oscillator. The phase of this signal may be
g. 9960 cps frequency modulated at 30 cps
h. 90 cps sine wave
varied in 45 degree steps by an RC phase switching
i. 150 cps sine wave
network. The same oscillator also supplies a 30 cps
reference voltage of constant phase to frequency
* This facility is no longer used in military aircraft
modulate a 9960 cps RC oscillator. A plus or minus
equipment.
one degree phase switching network shifts the phase
1-12. FREQUENCY STABILITY: R-f output 0.0065%.
of the 30 cps reference voltage for testing omni-range
1-13. INPUT VOLTAGE.
signals for tone localizer and glide slope testing are
Nominal: 21. volts dc
generated by distorting the output of the 30 cps oscil-
Range: 21 to 29 volts dc
lator and filtering out 3rd and 5th harmonics.
1-14. CURRENT REQUIREMENTS. 5.4 amperes.
1-7. LEADING PARTICULARS.
1-15. FUSE COMPLEMENT. One 10-ampere fuse in
each side of line.
329.3 to 335.0 mc in 100 kc steps.
1-16. COMPONENT WEIGHTS.
1-9. NUMBER OF CHANNELS.
Signal Generator SG-13/ARN (Case 1) -- 45 lbs.
Accessory Case CY-868/U (Case 2) -- 15 lbs.
108 to 135.9 mc -- 280 channels
329.3 to 335.0 mc -- 58 channels
1-17. DYNAMOTOR DATA.
1-10. OUTPUT RANGE. 4 to 200,000 microvolt.
Manufacturer's Type No: Continental Elec. DMF 306
Collins Part No: 231004300
1-11. OUTPUT SIGNALS
Input Voltage: 21 V DC
a. Omni-Range (VOR)
Input Current 3.3 amperes
b. Tone Localizer
Output Voltage: 260 V DC
c. Phase Localizer *
Output Current: 0.135 amperes
d. Glide Slope
Temperature Rise: Not to exceed 40C (106F.)
e. 1000 cps sine wave
above 55C. (131F. ).
2