Keysight 8546A EMI Test Receiver

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Agilent 8546A EMI Test Receiver
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Keysight 8546A
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Manual 8546A Datasheet
The Keysight 8546A is a high-performance test receiver especially designed for making commercial EMI (Electro-Magnetic Interference) measurements. It fully conforms to the receiver standards described in CISPR (Comiteé International Spécial Des Perturbations Radioélectriques) Publication 16, C.I.S.P.R. Specification for Radio Interference Measuring Apparatus and Measurement Methods. This type of receiver is used for making measurements according to various governmental standards, such as FCC (U.S.A.), EN (Europe), and VCCI (Japan) regulations. The 8546A tunes from 9 kHz to 6.5 GHz, making it suitable for testing a wide variety of products ranging from ITE (Information Technology Equipment) and ISM (Industrial, Scienti c, and Medical Equipment), to household appliances and telecommunications equipment.

The 8546A consists of two parts—the receiver RF section and the RF filter section. The two units are connected together via several cables on the front and rear panels to form a single instrument. All control for both units is handled by the receiver RF section, whether manually from the front panel or automatically through the interface bus.

For precompliance and diagnostic EMI applications which do not require a fully compliant CISPR Publication 16 receiver, the receiver RF section can be used as a stand-alone instrument. The receiver RF section has the EMI-specific functionality to perform these types of measurements. The receiver RF section can be upgraded to an EMI receiver by adding a RF filter section and sending the pair to an authorized Keysight service center for calibration verification.
Keysight 8546A Specs
Tuning Range Band 1: 9 kHz to 50 MHz
Band 2: 20 MHz to 2.9 GHz
Band 3: 1 GHz to 6.5 GHz
Bypass: 9 kHz to 2.9 GHz (to 6.5 GHz)
85462A: 9 kHz to 2.9 GHz (to 6.5 GHz)
Frequency Readout Accuracy ±(frequency readout x frequency reference error** +
1% of span + 20% of IF bandwidth + span accuracy + 100 Hz)
Marker Count Accuracy Frequency spans  10 MHz; ±(marker frequency x frequency reference error** + counter resolution + 100 Hz)
Frequency spans > 10 MHz: ±(marker frequency x frequency reference error** + counter resolution + 1 kHz)
Frequency Reference Aging: <± 1 x 10–7/year
Settability: <± 1 x 10–8
Temperature stability: <± 1 x 10–8
Frequency Span Accuracy Bands 1, 2, and 85462A
  • Span ≤ 10 MHz: ±2% of span + 10 Hz
  • Span > 10 MHz: ±3% of span
Band 3 and Bypass
  • Span ≤ 10 MHz: ±4% of span
  • Span > 10 MHz: ±6% of span
Counter Resolution Frequency spans ≤ 10 MHz: Selectable from 10 Hz to
100 kHz
Frequency spans > 10 MHz: Selectable from 100 Hz to
100 kHz
Sweep Time Range: 20 ms to 100 s
Sweep trigger: free run, single, line, video, external

** Frequency reference error = (aging rate x period of time since last adjustment + initial achievable accuracy + temperature stability)