• Frequency range from 5 Hz to 5 MHz
• Adjustable output level of 30 microvolts to 3 volts
• ± 1 dB audio-spectrum-level uniformity
• Output Voltage: max open-circuit is at least 3 V for 20 KHz range 2 V for 500 KHz range and 1 V for 5 MHz range
• Impedance: source impedance for max output is approx. 900 ohms.  Output is taken from a 2,500 ohm potentiometer.  Source impedance for attenuated output is 200 ohm.  One output terminal is grounded.

Please contact us for more information on the Genrad 1390B