The Keysight (Agilent/HP) 5347A is a high-performance 20 GHz Microwave Counter and Power Meter integrated into a single rugged, portable instrument. It provides precise frequency measurements from 10 Hz to 20 GHz alongside accurate power measurements using standard HP 8480 series power sensors.

Specifications

General

ParameterValue
InterfacesHP-IB (IEEE-488.2)
DisplayBacklit custom Liquid Crystal Display (LCD) with 12-digit frequency and 4-digit power readout

Physical

ParameterValue
Power Supply90 to 132 V ac or 198 to 264 V ac (auto-selecting), 47 to 66 Hz
Operating Temperature0 to 50 °C
Dimensions (W×H×D)325 mm × 133 mm × 432 mm
Weight9.1 kg (without options); 11.4 kg (with Option 002 battery)

Frequency Counter - Channel 1

ParameterValue
Channel 1 Frequency Range10 Hz to 520 MHz
Channel 1 Sensitivity25 mV rms
Channel 1 Input Impedance1 MΩ (shunted by < 70 pF) or 50 Ω nominal (selectable)
Channel 1 CouplingAC
Channel 1 Maximum Input Level5 V rms (50 Ω), 250 V peak (1 MΩ)

Frequency Counter - Channel 2 (Microwave)

ParameterValue
Channel 2 Frequency Range500 MHz to 20 GHz
Channel 2 Sensitivity (500 MHz to 12.4 GHz)-32 dBm
Channel 2 Sensitivity (12.4 GHz to 18 GHz)-27 dBm
Channel 2 Sensitivity (18 GHz to 20 GHz)-22 dBm
Channel 2 Input Impedance50 Ω nominal
Channel 2 Maximum Input Level+7 dBm
Channel 2 Damage Level+25 dBm (peak)
Channel 2 Connector TypePrecision Type N (female)
Acquisition Time< 125 ms (typical)

Power Meter

ParameterValue
Power Meter Frequency Range10 MHz to 20 GHz (sensor dependent)
Power Meter Power Range-70 dBm to +44 dBm (sensor dependent)
Compatible Power SensorsHP 8481A, HP 8481D, HP 8485A
Power Instrumentation Accuracy±0.02 dB or ±0.5%
Power Display Resolution0.01 dB (logarithmic mode) or 0.1% of full scale (linear mode)
Calibration Factor Range70% to 120% in 0.1% steps
Power Sensor Calibration Output1.00 mW (0.00 dBm) at 50 MHz
Calibration Output ConnectorType N (female), front panel

Internal Timebase

ParameterValue
Standard Timebase TypeTCXO
Standard Timebase Nominal Frequency10 MHz
Standard Timebase Temperature Stability< 1 × 10^-6 (0 to 50 °C)
Standard Timebase Aging Rate< 1 × 10^-7 per month
Option 001 High Stability Timebase Aging Rate< 5 × 10^-10 per day (after 24-hour warm-up)
Option 001 High Stability Timebase Temperature Stability< 7 × 10^-9 (0 to 50 °C)
External Reference Input Frequency1, 2, 5, or 10 MHz
External Reference Input Level0.2 V to 2.0 V rms
External Reference Input Impedance1 kΩ nominal
Internal Reference Output Frequency10 MHz
Internal Reference Output Level> 1.5 V p-p into 50 Ω

Power Requirements

ParameterValue
Option 002 Internal Battery TypeSealed Lead-Acid
Option 002 Battery Operating Time> 2 hours typical
Option 002 DC Input Range11 to 24 V dc
Power Consumption< 40 VA typical (excluding battery charging)

Environmental

ParameterValue
Storage Temperature Range-40 to 75 °C
Operating Humidity RangeUp to 95% RH at 40 °C
Safety Standards ComplianceIEC 348, EN 61010-1
Maximum Operating Altitude4,600 m (15,000 ft)
Maximum Storage Altitude15,000 m (50,000 ft)

Counter Channel 2 Specifications

ParameterValue
Channel 2 FM Tolerance20 MHz p-p (modulation frequency 100 Hz to 10 MHz)
Channel 2 AM ToleranceUp to 90% depth for modulation frequencies up to 100 kHz
Channel 2 Amplitude Discrimination10 dB (typical) within 500 MHz; 20 dB (typical) up to 20 GHz

Counter Channel 1 Specifications

ParameterValue
Channel 1 Maximum Resolution1 Hz

Power Meter Specifications

ParameterValue
Power Meter Calibrator Output SWR< 1.08
Power Meter Calibrator Output Frequency50 MHz
Power Meter Offset Range-99.99 dB to +99.99 dB

Timebase Specifications

ParameterValue
Standard Timebase Short Term Stability< 1 × 10^-9 (1 s average)
Option 001 High Stability Timebase Short Term Stability< 1 × 10^-10 (1 s average)
Option 001 High Stability Timebase Warm-up Time< 15 minutes (to within 1 × 10^-7 of final value)

Option 002 Battery Specifications

ParameterValue
Option 002 Battery Charge Time8 hours (with instrument turned off)

GPIB / Interface Specifications

ParameterValue
GPIB Interface FunctionsSH1, AH1, T5, TE0, L4, LE0, SR1, RL1, PP0, DC1, DT1, C0, E1

Channel 1 Input

ParameterValue
Channel 1 Connector TypeBNC female

Channel 2 Performance

ParameterValue
Channel 2 Frequency Resolution1 Hz to 1 MHz (user selectable)
Channel 2 Acquisition ModesAutomatic, Manual

Channel 2 Input

ParameterValue
Channel 2 VSWR1.5:1 (500 MHz to 12.4 GHz), 2.0:1 (12.4 GHz to 20 GHz)

Power Meter Calibrator

ParameterValue
Power Meter Calibrator Output Accuracy±1.2%
Power Meter Calibrator Output Impedance50 Ω nominal

Power Meter Performance

ParameterValue
Power Meter Calibration Factor Resolution0.1%

Interfaces

ParameterValue
Programming LanguageHP-IB

Technology

RF & Microwave Frequency Counter & Power Meter

Applications

Microwave and RF telecommunications testing, power sensor calibration, and portable frequency and power measurement