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9 Appendices
9.1 Bravo MRI II Specifications
9.1.1 Output Characteristics
9.1.1.1 Frequency Range
From 100 KHz to 200MHz
9.1.1.2 Sweep Width
Min: Less than +/- 1.0% of center frequency
Max: 25.6MHz or 32 MHz (for 80 or 100 point graphs)
For center frequencies >51.6MHz (80 points) or 64.4MHz (100 points) the
maximum sweep widths are 51.2 MHz and 64MHz respectively.
9.1.1.3 Tuning Resolution
Less than 0.02% of center frequency
9.1.1.4 Output level
+5 dBm typical
9.1.1.5 RF Connector
Dual ‘N’ type receptacles. BNC type receptacles optional.
9.1.1.6 Output Impedance
50 ohms nominal. VSWR typically better than 1.2:1. Operates with non
50 ohm systems.
9.1.1.7 Output Distortion
Harmonic distortion <30dB for 25MHz or less, <15 db for 100MHz or less,
<10 dB for 200MHZ or less.
9.1.1.8 Phase Noise
Better than -75dBC @ 10KHz offset for 25 MHz or less. Better than -
65dBC @ 10KHz offset for higher frequencies.
9.1.2 Measurement Specifications
9.1.2.1 Impedance Range
10 to 2000 ohms