|
|
The Agilent E8251A PSG-A 20 GHz CW/ Analog Modulation Signal Generator offers accurate characterization of products and eliminates the need of an external amplifier for testing high power devices. The E8251A provides 20 dBm at 20 GHz (option 1EA) reducing overall equipment and test costs. The superior level accuracy of the E8251A (+/- 0.7 dB) reduces test uncertainties and improves production throughput. Standard products have phase noise performance of -85 dBc/Hz at 1khz offset and -110 dBc/Hz at 20 kHz offset and a 10 GHz carrier. The E8251A provides improved performance with option UNJ of -98 dBc/Hz at 1 kHz offset and -110 dBc/Hz at 10 kHz offset and a 10 GHz carrier. Specifications. Frequency Range: 250 kHz to 20 GHz. Frequency Resolution: 0.01 Hz. Frequency Accuracy: Calibration = aging rate ± temperature effects ± line voltage effects. Switching speed (typical) Analog modulation: < 15 ms. Phase offset: Adjustable in nominal 0.1° increments. Internal timebase reference oscillator Aging rate: < ±1 x 10–7/year or < ±4.5 x 10–9/day after 45 days. External reference frequency: 1, 2, 2.5, 5, 10 MHz (within 1 ppm). Reference output Frequency: 10 MHz. Reference output Amplitude: > +4 dBm typical into 50 ohm load. Output Power: –20 to +13 dBm (250 kHz to 20 GHz). Frequency modulation Maximum deviation: N x 8 MHz. Resolution: 0.1% of deviation or 1 Hz, whichever is greater. Deviation accuracy: < ± 3.5% of FM deviation + 20 Hz. (1 kHz rate, deviations < N x 800 kHz). Phase modulation Maximum deviation: N x 80 radians, (N x 8 radians in high-bandwidth mode). Resolution: 0.1% of set deviation. Deviation accuracy: < ±5% of deviation + 0.01 radians (1 kHz rate, normal BW mode). Amplitude modulation: (fc > 2 MHz)(typical). Interfaces: GPIB (IEEE-488.2,1987) with listen and talk, RS-232, and 10-base T-LAN interface. Options. -1E1, Adds output step attenuator for extended range to –135 dBm. -1EA, High RF output power +20 dBm at 20 GHz, +14 dBm at 40 GHz. -1ED, add Type-N RF output connector (20 GHz models only). -UNJ, Improved close-in phase noise.
|