Keysight Agilent 85024A High-Frequency Probe 300 kHz to 3 GHz Complete high-frequency probing without adversely loading the circuit under test

Keysight Agilent 85024A High-Frequency Probe 300 kHz to 3 GHz Complete high-frequency probing without adversely loading the circuit under test
 
Description of Agilent 85024A High-Frequency Probe

85024A high-frequency probe makes it easy to perform in-circuit measurements. An input capacitance of only 0.7 pF shunted by 1 megohm of resistance permits high frequency probing without adversely loading the circuit under test. Excellent frequency response and unity gain guarantee high accuracy in swept measurements with this probe. High probe sensitivity and low distortion levels allow measurements to be made while taking advantage of the full dynamic range of RF analyzers.

Highlights

1. Easy to perform in-circuit measurements
2. Excellent frequency response and unity gain
3. High probe sensitivity
4. Low distortion levels

Extend high frequency probing applications

The Agilent Technologies 85024A high frequency probe offers excellent performance. The probe employs a GaAs IC to obtain extremely low input capacitance of only 0.7 pF shunted by 1 MΩ of resistance. Because of this low input capacitance, high frequency probing is possible without adversely loading the circuit under test. Also, the 1 MΩ shunt resistance guarantees minimal circuit loading at lower frequencies. Since the probe has excellent sensitivity, it is well-suited for use with analyzers offering exceptional dynamic range. The 85024A is an excellent accessory for high frequency test equipment, especially Agilent RF network or spectrum analyzers which supply probe power from the front panel.

Network Analysis

When used with a network analyzer, this versatile probe makes it easy to measure the gain, attenuation, phase linearity, or group delay of individual circuit stages. Also, investigate multi-stage circuits to rapidly determine the location of faults in a system. Low input capacitance and high shunt resistance minimizes the loading to the circuit under test. Excellent frequency response and unity gain of the Keysight 85024A guarantee high accuracy in swept measurements.

Signal/Spectrum Analysis

Troubleshooting RF and IF signal paths to identify problem areas in a system is convenient and accurate with an 85024A and a signal/spectrum analyzer. Measurements of frequency, power, modulation, distortion, conversion loss, and spectral purity are possible within a circuit. High sensitivity and low distortion levels ensure the probe’s ability to detect small signals or search for spurious responses. In fact, the sensitivity of most 85024A applications is limited only by the noise floor of the spectrum analyzer itself. Add a tracking generator to easily perform swept in-circuit measurements.

Compatible with Many Keysight Instruments:

Direct compatibility with many RF analyzers further leverages the performance and flexibility of the 85024A high frequency probe. Signal/spectrum analyzers that supply probe power from the front panel include the Keysight E444xA PSA Series high performance spectrum analyzers, N9020A MXA mid-range signal analyzers, N9010A EXA economy signal analyzers, E44xxB ESA Series portable spectrum analyzers, and 8560 Series, as well as the 8590 and 71100 Series. Network analyzers such as the 4395, 871x, 875x, 872x, E5071C ENA, and certain PNA-L models are also directly compatible. In addition, utilize the high frequency probe with other instruments by making use of an external power supply, such as the Keysight E3620A dual-output or E3630A triple-output with an adapter cable (order the 85024A-001 for the adapter cable).

Speciications (Terminated with 11880-60001 type-N adapter) Specifications describe the warranted performance over the temperature range of 25 °C, ±5 °C (except where noted). Supplemental characteristics are intended to provide information useful in applying the instrument by giving unwarranted performance parameters. These are denoted as “typical,” “nominal,” or “approximate.” Input capacitance (at 500 MHz) < 0.7 pF (nominal) Input resistance 1 MΩ (nominal) Bandwidth 300 kHz to 3 GHz (nominal) Usable to 100 kHz Average gain 0 dB ± 1.25 dB Average gain is defined as the average of the maximum and minimum gains over the frequency range of 300 kHz to 1 GHz (maximum gain + minimum gain)/2. Frequency response (relative to average gain): 300 kHz to 1 GHz ±1.25 dB 1 GHz to 3 GHz ±2.5 dB Average noise level < 1 mV, 10 Hz to 10 MHz Input voltage for < 1 dB compression 0.3 V

Noise figure Below 100 MHz < 50 dB 100 MHz to 3 GHz < 25 dB Pulse transition time 200 psec Distortion (at 0.3 V) < –30 dBc Maximum safe input Probe alone ±1.5 V peak RF, ±50 V DC Probe with 10:1 divider ±15 V peak RF, ±200 V DC 10:1 divider characteristics Input capacitance < 0.7 pF Input resistance 1 MΩ Input voltage for 1 dB compression 3 V Power Supplied by certain Keysight instruments +15 V/130 mA or Keysight power supply (E3620A, E3630A, or E3631A, 85024A-001 required) –12.6 V/45 mA Weight Net 0.255 kg (0.563 lb), Shipping 1.49 kg (3.3 lb) Dimensions Probe assembly length 1245 mm (49 in)

 
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