A-A-50727 Generator, Signal 2 Ghz To 26 GhzThis Commercial Item Description CID, describes a laboratory standard quality bench piece of electronic test equipment which is a bench- mount with rack-mount option, solid-state, general purpose, 2 GHz to 26 GHz, signal generator. This CID is meant as a minimum requirement for the signal generator, in which only those manufacturers that meet or surpass the following requirements are to be supplied per this CID.

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A-A-50727A

2.7.3 Harmonics. Harmonics of the signal generator shall be no more than -25 dBc over the entire frequency range.

2.7.3.1 Sub - harmonics. Sub-harmonics of the signal generator shall be no more than -25 dBc to 18

GHz and no more than -20 dBc from 18 GHz to 26 GHz.

2.7.3.2 Spurious non-harmonics. The spurious non-harmonics of the signal generator shall be at least -55 dBc over the entire frequency range.

2.7.4 Absolute Single-Side Band (SSB) Phase Noise. The absolute SSB phase noise of the signal generator at 18 GHz with 100 KHz offset shall be no more than -90 dBc per Hz.

2.7.5 Output. The output level range of the signal generator into 50 O nominal shall be +3 dBm to

-95dBm.

2.7.5.1 Output Resolution. The output resolution of the signal generator shall be at least 1 dB.

2.7.6. Amplitude Modulation (AM). The AM sensitivity of the signal generator shall be 1 Volt (V)

peak-to-peak (P-P) for essentially 100% modulation.

2.7.7. AM Rate. The AM rate of the signal generator shall be at least 20 Hz to 10 KHz (3 dB

bandwidth).

2.7.8 Frequency Modulation Deviation. The deviation of the signal generator shall be 20 MHz with a 10 Hz to 100 KHz FM input, 10 MHz with a 100 KHz to 1 MHz FM input.

2.7.9 Pulse Modulation. The on/off ratio of the signal generator for pulse modulation shall be 30 dB

or greater.

2.7.9.1 Rise and Fall Time. The rise and fall time of the signal generator shall be between 10% and

90% of the pulse shall be 25 nanoseconds or less.

2.7.9.2 Repetition Rate. The minimum repetition rate of the signal generator for a carrier frequency of 2 GHz to 26 GHz shall be 10 Hz to 50 KHz.

2.7.9.3 Pulse Width. The minimum pulse width of the signal generator shall be at least 100 nano- seconds.

2.7.10 Sweep Modes. The signal generator shall have start/stop or delta F (span) sweep functions, and the following sweep modes: manual, automatic, and single sweep.

2.7.11 Ramp Output. The signal generator shall have a 1 V to 10 V ramp output proportional to frequency from start to stop.