The Anritsu MS2665C is a compact, lightweight, and low-price spectrum analyzer designed for a wide range of RF and microwave applications. Covering a frequency range from 9 kHz to 21.2 GHz, it features high C/N ratio, low distortion, and excellent frequency and level accuracies, making it ideal for both manufacturing and field-service applications.

Specifications

General

ParameterValue
InterfacesGPIB (IEEE-488.2), RS-232C, Centronics Parallel Printer Port
Display5.5-inch color TFT LCD
Built-in Measurement FunctionsChannel power, ACPR, OBW, Frequency counter, Noise power
Storage Temperature Range-20 to +60 °C
AC Input Voltage100 to 120 V / 200 to 240 V (auto-selectable)
AC Input Frequency47.5 to 63 Hz
Power Consumption (Maximum)<= 150 VA (without options)
Number of Trace DetectorsNormal, Positive Peak, Negative Peak, Sample
Internal Trace Memory CapacityUp to 10 traces
Internal Setup Memory CapacityUp to 12 setups

Physical

ParameterValue
Power Supply100 to 120 V AC / 200 to 240 V AC, 47.5 to 63 Hz, <= 150 VA
Operating Temperature0 to 50 °C
Dimensions (W×H×D)320 × 177 × 351 mm
Weight13

Frequency

ParameterValue
Frequency Range9 kHz to 21.2 GHz
Frequency Span Range0 Hz, 100 Hz to 21.2 GHz
Tuning Resolution1 Hz
Frequency Reference Standard Aging Rate+-2 x 10^-6 per year
Frequency Reference Temperature Stability+-5 x 10^-6 (0 to 50 °C)
Display Resolution (Frequency)1 Hz
Frequency Reference Aging Rate (Option 01)+-2 x 10^-8 per day
Frequency BandsBand 0: 9 kHz to 3.1 GHz; Band 1: 3.1 GHz to 8.1 GHz; Band 2: 8.1 GHz to 12.4 GHz; Band 3: 12.4 GHz to 21.2 GHz

Spectral Purity

ParameterValue
SSB Phase Noise (10 kHz offset)<= -100 dBc/Hz (at 1 GHz)
SSB Phase Noise (100 kHz offset)<= -110 dBc/Hz (at 1 GHz)

Bandwidth

ParameterValue
Resolution Bandwidth (RBW) Range1 kHz to 3 MHz (in 1, 3 sequence), 5 MHz
RBW Filter Type3 dB Bandwidth
Video Bandwidth (VBW) Range10 Hz to 3 MHz (in 1, 3 sequence)
Resolution Bandwidth Low Range (Option 02)30 Hz, 100 Hz, 300 Hz

Amplitude

ParameterValue
Maximum Safe RF Input Level (CW)+30 dBm (with RF Attenuation >= 10 dB)
Maximum Safe DC Input Voltage0 V (DC coupled)
Input Attenuator Range0 to 70 dB in 10 dB steps
DANL (3.1 GHz to 8.1 GHz)<= -110 dBm (RBW 1 kHz, VBW 1 Hz)
DANL (8.1 GHz to 12.4 GHz)<= -105 dBm (RBW 1 kHz, VBW 1 Hz)
DANL (12.4 GHz to 21.2 GHz)<= -95 dBm (RBW 1 kHz, VBW 1 Hz)
1 dB Gain Compression Point>= -10 dBm (at >= 200 MHz, mixer input)
Third-Order Intermodulation Distortion (TOI)>= +5 dBm (100 MHz to 3.1 GHz, mixer input -30 dBm)
Second Harmonic Distortion<= -70 dBc (100 MHz to 1.5 GHz, mixer input -30 dBm)
Frequency Response (9 kHz to 3.1 GHz)+-0.5 dB
Log Display Scale1, 2, 5, 10 dB/div
Amplitude Measurement RangeDANL to +30 dBm
Input Attenuator Steps10 dB

Inputs & Outputs

ParameterValue
RF Input Impedance50 ohms nominal
RF Input ConnectorN female
External Reference Input Frequency10 MHz
External Reference Input Level-10 to +20 dBm
Internal Reference Output Frequency10 MHz
Internal Reference Output Level>= -5 dBm (into 50 ohms)
Trigger Input ConnectorBNC female
Reference Input Impedance50 ohms nominal
Memory Card SlotPCMCIA Type II
RF Input VSWR (9 kHz to 3.1 GHz)<= 1.5 (RF attenuation >= 10 dB)
RF Input VSWR (3.1 GHz to 21.2 GHz)<= 2.0 (RF attenuation >= 10 dB)
Printer InterfaceCentronics (Parallel)
Calibration Signal Output Frequency10 MHz
Calibration Signal Output Level-20 dBm +-0.3 dB
Calibration Output ConnectorBNC female
External Reference Input ConnectorBNC female
Internal Reference Output ConnectorBNC female
Sweep Output ConnectorBNC female (rear panel)
Video Output ConnectorBNC female (rear panel)
External Display Output15-pin D-sub (VGA, rear panel)
Gate Input LevelTTL level (shared with trigger input)

Sweep

ParameterValue
Sweep Time Range (Span > 0 Hz)20 ms to 1000 s
Sweep Time Range (Zero Span)20 us to 1000 s
Sweep Trigger SourcesFree Run, Line, External, Video
Number of Sweep Points501
Option 04 Fast Sweep Range (Zero Span)12.5 us to 1000 s

Compliance

ParameterValue
EMC Standards ComplianceEN55011, EN50082-1
Safety Standards ComplianceEN61010-1

Demodulation

ParameterValue
AM/FM DemodulationStandard built-in speaker and phone jack for AM/FM audio monitoring

Performance

ParameterValue
Trace FunctionsNormal, Write, Max Hold, Min Hold, View, Average

Option-dependent Specifications

ParameterValue
Frequency Reference Temperature Stability (Option 01)±5 × 10^-8 (0°C to 50°C)

Display

ParameterValue
Linear Display Scale10 divisions

Marker Functions

ParameterValue
Frequency Counter Resolution1 Hz, 10 Hz, 100 Hz, 1 kHz

Power Supply

ParameterValue
DC Power Input Voltage (Option 07)11 V to 21 V DC
DC Power Consumption (Option 07)≤ 70 W

Environmental

ParameterValue
Operating Humidity Range≤ 85% (non-condensing)

Technology

RF and Microwave Spectrum Analyzer

Applications

RF and Microwave Signal Analysis