IS 13409 : 1992 Specification for high frequency transreceivers

1 Scope

1.1 This standard applies to HF transreceivers in the frequencyrange 2-30 MHz using single side band amplitude modulation fortelecommunication link up to 600 kMs.

2 References

IS 8186 :1976Marking codes for values and tolerances ofresistors and capacitors

IS9000Basic environmental testingprocedures for electronic and electrical items

Part 2 : Sec 4 :1977 Part 2 Cold test,Section 4 Cold test for heat dissipating itemswith gradual change of temperature

Part 3 : Sec 5 :1977 Part 3 Dry heat test,Section 5 Dry heat test for heat dissipatingitems with gradual change of temperature

Part 4 :1977Part 4 Damp heat (steady state)

Part 7 : Sec 4 :1979 Part 7 Impact test, Section 1 Shock

Part 7 : Sec 2 :1979 Part 7 Impact test, Section 2 Bump

Part 7 : Sec 4 :1979 Part 7 Impact test, Section 4 Freefall

Part 8 :1981Part 8 Vibration (sinusoidal) test

Part 11 :1981Part 11 Salt mist test

Part 12 :1981Part 12 Dust test

Part 16 :1983Part 16 Driving rain test

IS 10437 :1986Safety requirements for radio transmittingequipment

IS 10820 : Part 1 :1984 Methods of measurement for radio equipmentusedin mobile services:Part 1 General definitions and conditionsmeasurement