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

2.3 Electrical Power Sources. The equipment shall operate from nominal commercial, military, and shipboard  single-phase  power  sources  of  100,  110,  120,  220,  and  240  volts  ac  (±  10%)  at  line frequencies of 48 Hz to 66 Hz.

2.4 Power Consumption. The maximum power consumption of the equipment shall not exceed 450

VA.

2.5 Dimensions and Weight. The size and weight of the equipment shall be consistent with current commercial capabilities.

2.6 Signal Input and Output Connectors. The RF output connector type shall be 2.92-mm female, and all other signal input and output connectors shall be type BNC female.

2.7 Performance characteristics

2.7.1 Digital Input/Output. The Measuring Receiver and Synthesizer/Local Oscillator shall incorporate an IEEE 488.1 standard I/O capability.  The Interface Function subset implemented shall have or exceed the following capabilities:

INTERFACE FUNCTION      MINIMUM ACCEPTABLE SUBSET Source Handshake                                                       SH1

Acceptor Handshake                                                    AH1

Talker                                                                           T1 or TE1

Listener                                                                        L1 or LE1

Remote Local                                                               RL1

Parallel Poll                                                                 PP0

Device Clear                                                                DC1

Device Trigger                                                             DT1

Service Request                                                           SR1

The signal generator shall use bi-directional data transmission in ASCII coded format.

2.7.2 Frequency. The minimum frequency range of the signal generator shall be 2 GHz to 26 GHz.

2.7.2.1  Resolution.  The  frequency  resolution  of  the  signal  generator  shall  be  at  least  4  KHz throughout the entire frequency range.

2.7.2.2 Accuracy. The frequency accuracy shall be based on the aging rate of the internal reference oscillator.  The  aging  rate  shall  be  no  more  than  1  X  10-9   per  day  after  10  days  of  continuous operation.

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