Synthesizer The HP A is first with microhertz resolution below kHz along with frequency coverage from. Signal purity, accuracy and stability are as good or better than earlier stand-alone HP synthesizers. Function Generator The HP A is also a high performance function generator providing precision waveforms with synthesizer accuracy and resolution. Squarewaves to Triangles and ramps with.
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Synthesizer The HP A is first with microhertz resolution below kHz along with frequency coverage from. Signal purity, accuracy and stability are as good or better than earlier stand-alone HP synthesizers. Function Generator The HP A is also a high performance function generator providing precision waveforms with synthesizer accuracy and resolution.
Squarewaves to Triangles and ramps with. All waveforms can be dc and phase offset. A Wideband Sweeper A major contribution is wideband phase continuous sweep, covering up to the full frequency range of each waveform.
Sweep log or linear, single or continuous without the phase discontinuities usually associated with synthesizers. Phase lock loop testing is made easier. Make convenient swept frequency network measurement on filters, amplifiers or any passive or active network. Use the TTL marker to check the frequency of points of interest on a swept frequency display.
Fully Programmable All necessary functions are programmable on the HP-IB, including frequency, amplitude, all functions, phase and dc offset, modulation, all sweep parameters, amplitude cal and self-test, making the HP A a very versatile and powerful addition to automatic test systems.
The isolated interface combined with floating outputs and inputs and talk mode make the HP A easy to use in Automatic Test Systems. The phase is advanced or retarded with respect to the starting phase. Two HP A units can be phase locked together for dual phase output applications. The HP A can display 11 digits of frequency and 4 digits of volts or millivolts from 1 mV to 10 volts peak to peak.
Conversion to RMS or dBm is simple with the touch of a button. New Technology The HP A provides unprecedented performance per dollar thanks to several major contributions from advances in HP technology. A single loop Fractional-N synthesis technique allows synthesizer accuracy with 11 digits of resolution and, as an added bonus, phase continuous frequency sweep.
Fewer parts and integrated circuit technology make the difference. A unique method of triangle and ramp waveform generation provides excellent linearity. Add microprocessor control and Hewlett-Packard Interface Bus HP-IB operation and the result is more performance, flexibility and versatility on the bench or in automatic test systems than previously available, and at a lower cost.
HP 3320A Operating And Service Manual
Kajikinos The preceding range of instruments contain the VCO circuitry shown in Figurebut a not have R Change the power supply output to the following voltages and repeat Steps j through m for each. Output amplitude is 1 mV to 10 V peak-to- peak. Press the key in the lower right corner of the A front panel to select the High Voltage output. TB Test instrument parameters Amplitude accuracy with offset attenuation range 1 into 50 load Attenuator accuracy these errors are additive with the amplitude accuracy servife Amplitude output Amplitude option high voltage output Dc offset Dc offset option Dc plus ac Not verified below 50 Hz. Repeat mankal d and g.
HP 3325A Calibration Manual
If you find any mistakes or if you know of a way to improve the procedure, please let us know. Page 2: Paragraph Page Final procedure Test Instrument Identification. Page 3 Test instrument parameters Harmonic distortion relative to fundamental at full output Amplitude modulation Square wave Ramp retrace Frequency Sine wave Square wave Triangle Positive slope ramp Negative slope ramp Phase offset Amplitude Amplitude accuracy with no attenuation attenuator range 1 into 50 load no dc offset Flatness with no attenuation
HP 3325A SERVICE MANUAL PDF
The frequency can be specified with up to eleven digits of precision! This is one of the first instruments to use a "fractional—N" PLL synthesizer. The output frequency is derived from a reference frequency which can also be supplied externally. Internal construction is simple and clear. A central chassis carries circuit boards above and below, and there are no voluminous or heavy parts other than the mains transformer. HP offered two major options on this unit: Opt. The mains transformer is permanently connected to the line so that the OCXO can be kept powered on at all times, and the nominal output frequency is available without waiting for warm-up.
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