The Agilent Technologies 8904A Multifunction Synthesizer uses VLSIC technology to create complex signals from six fundamental waveforms. The standard 8904A digitally synthesizes precise sine, square, ...

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The Agilent Technologies 8904A Multifunction Synthesizer uses VLSIC technology to create complex signals from six fundamental waveforms. The standard 8904A digitally synthesizes precise sine, square, triangle, ramp, white noise, and dc waveforms and routes these signals to a single output.

Option 001 adds three more identical internal synthesizers (channels) which can either modulate the first synthesizer or be summed to the output. Frequency, amplitude, waveform, phase, and destination can be independently set for each synthesizer.

Available modulation types for channel A include AM, FM, F M, DSBSC, and pulse modulation.

Option 002 adds a second 50 Ω output, providing a second separate signal for two channel applications.

Option 003 adds fast hop and digital modulation capability to the 8904A. Option 005 allows multiple 8904As to be phase synchronized for applications which require the use of more than one 8904A.

Option 006 changes output one of the 8904A from a 50 Ω floating output to a 600 Ω, high-power bilance output. With this option, the 8904A can deliver 10 volts rms into a 600 Ω load from 30 Hz to over 100 kHz.

All this unique capability makes the Agilent 8904A a powerful new tool for demanding applications like VOR, ILS, FM stereo, and communications signaling.

HP/Agilent 8904A Multifunction Synthesizer

Frequency

Range:   Sine wave: 0 Hz to 600 kHz      Square, triangle, ramp: 0 Hz to 50 kHz

Resolution: 0.1 Hz

Accuracy:  Internal 10 MHz timebase: ±50 ppm    External 10 MHz timebase: Same as accuracy and stability of external timebase

AC amplitude (sinewave)

Range: 0 to 10 Vp-p into a 50 Ω load

Resolution: 31 /2 digits

Accuracy (Amplitude >40 mVp-p into 50 Ω): 1%, 0.1 Hz to 100 kHz 3%, 100 kHz to 600 kHz

Flatness (Amplitude >630 mVp-p into 50 Ω): ±0.1% (±0.009 dB), 0.1 Hz to 100 kHz ±1.0% (±0.09 dB), 100 kHz to 600 kHz

Spectral Purity (sine wave)

THD+N (Including spurs, amplitude >50 mV rms into 50 Ω): –63 dBc rms (0.07%), 20 Hz to 7.5 kHz, 30 kHz BW –63 dBc rms (0.07%), 7.5 kHz to 20 kHz, 80 kHz BW –55 dBc rms (0.18%), 20 kHz to 100 kHz, 750 kHz BW

Phase (sine wave)

Range: 0 to 359.9° Resolution: 0.1° or 0.001 radians Increment

Accuracy (Relative to 0° for a fixed frequency): ±0.05°, 0.1 Hz to 100 kHz

DC Amplitude

Range: 0 to ±10 V open circuit

Resolution: Three and a half digits

Accuracy: ±20 mV or ±2.1%, whichever is greater

 

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