Jackson Labs FireFox, User Manual

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FireFox Synthesizer User Manual
iv © 2006 Jackson-Labs
3.5 GPS Receiver FAQs . . . . . . . . . . . . . . . . . . . . . . . . . . 47
3.5.1 Why did you include a GPS receiver in the FireFox synthesizers? . . . . . . 47
3.5.2 How does the FireFox handle GPS hold-over mode? . . . . . . . . . . . 48
3.5.3 Can the internal GPS receiver be connected to a PC? . . . . . . . . . . . 48
3.5.4 I can connect to the GPS receiver from my PC, but cannot change any settings? 48
3.5.5 What is the GPS Auto-Survey Mode? . . . . . . . . . . . . . . . . . 48
3.5.6 What is the T-RAIM mode in the GPS receiver? . . . . . . . . . . . . . 49
3.5.7 Why did you not use a cheap, standard GPS receiver? . . . . . . . . . . 49
3.5.8 What types of GPS antennae are supported? . . . . . . . . . . . . . . 49
3.5.9 What do the SAT and STAT items in the LCD display indicate? . . . . . . . 49
3.6 Performance FAQs . . . . . . . . . . . . . . . . . . . . . . . . . . . 50
3.6.1 How does the FireFox Synthesizer offer such wide bandwidth? . . . . . . . 50
3.6.2 How can spur performance be increased even further? . . . . . . . . . . 50
3.6.3 Does the FireFox need calibration? . . . . . . . . . . . . . . . . . . 50
3.6.4 There is a Frequency Estimate display in the menus. What is this number? . . 50
3.6.5 There is a Resolution number displayed in the menus. What is this number? . . 51
3.6.6 There is an option to turn Fractional-N mode on/off. What is this used for? . . . 51
4 Auto Calibration
. . . . . . . . . . . . . . . . . . . . . . . . . . 53
4.1 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53
4.2 Power Meter Setup . . . . . . . . . . . . . . . . . . . . . . . . . . . 53
4.2.1 Updating the Agilent Sensor Cal Table . . . . . . . . . . . . . . . . . 53
4.2.2 Using alternate Power Sensors, Power Meters. . . . . . . . . . . . . . 53
4.2.3 Calibrating the Power Sensor . . . . . . . . . . . . . . . . . . . . 54
4.3 Calibration Setup. . . . . . . . . . . . . . . . . . . . . . . . . . . . 54
4.3.1 Sensor Connection . . . . . . . . . . . . . . . . . . . . . . . . 55
4.3.2 Serial Cable Connection . . . . . . . . . . . . . . . . . . . . . . 56
4.4 Initiating Calibration. . . . . . . . . . . . . . . . . . . . . . . . . . . 57