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HP 3325A Synthetize/ Function Generator
HP 3325A Synthetize/ Function Generator

HP 3325A Synthetizer/ Function Generator

HP 3225A Synthesizer/Function Generator is an uncompromising, high performance synthesizer with 11 digit resolution, a function generator with precision waveforms, a wideband sweeper, and a fully programmable systems instrument.

The HP 3325A is first with microhertz resolution below 100 kHz along with frequency coverage from .000001 Hz to 20.999999999 MHz. Signal purity, accuracy and stability are as good or better than earlier stand-alone HP synthesizers. Harmonics are 65 dB down below 50 kHz and you can externally modulate with AM and PM.The HP 3325A is also a high performance function generator providing precision waveforms with synthesizer accuracy and resolution. Squarewaves to 10.999999999 MHz have 20 ns rise and fall times. Triangles and ramps with .05% linearity are available up to 10.999999999 kHz. All waveforms can be dc and phase offset.

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. Use the convenient "zoom" functions DF X 2 and DF/2 to quickly change the frequency span for the display desired.

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 3325A 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 3325A easy to use in Automatic Test Systems.

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Reference:
3325A_001
Brand:
HP
Description

HP 3325A Option 001 Synthetizer and Function Generator.

The Mode1 3325A Synthesizer/Function Generator produces the following signals at a minimum frequency of 1 µHz and maximum frequency of:

  • Sine wave 20 MHz
  • Square wave 10 MHz
  • TriangIe 10 kHz
  • Positive slope ramp 10 kHz
  • Negative slope ramp I0 kHz

Specifications

  • Frequency Resolution: 1 µHz for frequencies below 100 kHz and 1 mHz for frequencies 100 kHz and higher
  • Frequency Accuracy standard instrument: ± 5 x 10-6 of selected value (20°C to 30°C)
  • Frequency Stability standard instrument: ± 5 x 10-6 per year (20°C to 30°C)
  • Signal Characteristics:
    • Sine Wave and harmonics:
    • 0.1 Hz to 50 kHZ: no harmonic greater than -65 dB
    • 50 kHz to 200 kHz:  -60 dB
    • 200 kHz to 2 MHz: -40 dB
    • 2 MHz to 15 MHz: -30 dB
    • 15 MHz to 20 MHz: -25 dB
  • Square Wave: Rise and Fall TIme: ≤ 20 nanoseconds, 10% to 90% at full output
  • Triangle: Linearity, 10% to 90%, best fit straight line: ± 0.05% of full p-p output for each range
  • Ramps (positive or negative): Linearity, 10% to 90%, best fit straight line: ±0.05% of full p-p output for each range
  • Amplitude Accuracy [no Attenuator (in Range 1) in 50 ohms and no DC offset]:
    • Sine Wave 0.001 Hz to 100 kHz accuracy relative to programmed amplitude ± 0.1dB
    • Square Wave 0.001 Hz to 100 kHz accuracy relative to programmed amplitude ± 1.0%
    • Triangle 0.001 Hz to 2 kHz accuracy relative to programmed amplitude ±1.5% (±5% for 2 kHz to 10 kHz)
    • Ramps 0.001 Hz to 500 Hz accuracy relative to programmed amplitude ±1.5% (±10% for 500 Hz to 10 kHz)
  • Amplitude Flatness [no Attenuator (in Range 1) in 50 ohms and no DC offset]:
    • Sine Wave 100 kHz to 20 MHz accuracy relative to programmed amplitude at 1 kHz ±0.3dB
    • Square Wave 100 kHz to 20 MHz accuracy relative to programmed amplitude at 1 kHz ±10%
  • Amplitude Modulation: Sine Wave only, Modulation Envelope Distortion: -30 dB to 80% modulation at 1 kHz, 0V DC offset
  • Phase Offset: Range: ±719.9° with respect to arbitrary starting phase. or assigned zero phase. Resolution: 0.1° Stability: ±1° phase/°C
  • Phase Modulation: Linearity (Sine Function): ±0.5%, best fit straight line
  • Synch Out (into 50 Ω):
    X-Drive Output: Amplitude 0 to DC 10V linear ramp proportional to sweep frequency (sweep up only)
  • HP-IB interface capablilities
  • Option 001 High Stability Frequency Reference:
    • Ambient Stability: ± 5 * 10 -8 (0° to 55°C referenced to +30°C)
    • Aging Rate: ± 5 * 10-8 per week (after 72 hours continuous operation)
    • Aging Rate: ± 1 * 10-7 per month (after 15 days continuous operation)

Possible options

  • Option 001: High Stability Frequency Reference
  • Option 002: High Voltage Ouput
  • Option 100: Nominal 100 V ac
  • Option 120: Nominal 120 V ac
  • Option 220: Nominal 220 V ac
  • Option 240: Nominal 240 v ac
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Product Details
3325A_001

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