The Advantest R3361A is a high-performance, easy-to-use portable spectrum analyzer operating in the frequency range of 9 Hz to 2.6 GHz. Featuring a built-in tracking generator, 1 Hz resolution frequency setting, and a 1 Hz resolution frequency counter, it is optimized for accurate RF testing and measurement in both field and bench environments.
Specifications
General
| Parameter | Value |
|---|---|
| Interfaces | GPIB, Memory Card Slot |
| Display | Monochrome CRT |
Physical
| Parameter | Value |
|---|---|
| Power Supply | 90 to 132 V AC / 198 to 250 V AC, 48 to 66 Hz, ≤ 150 VA |
| Operating Temperature | 0 to 50 °C |
| Dimensions (W×H×D) | 300 mm × 177 mm × 450 mm |
| Weight | 15 kg |
Frequency Specifications
| Parameter | Value |
|---|---|
| Frequency Range | 9 Hz to 2.6 GHz (with Option 21; standard range 9 kHz to 2.6 GHz) |
| Frequency Span Range | 0 Hz (zero span), 1 kHz to 2.6 GHz |
| Frequency Tuning Resolution | 1 Hz |
| Frequency Counter Resolution | 1 Hz |
| Frequency Reference Stability | ±2 × 10^-6 / year |
Bandwidth (RBW/VBW)
| Parameter | Value |
|---|---|
| Resolution Bandwidth (RBW) Range | 30 Hz to 1 MHz (1-3 sequence) |
| Video Bandwidth (VBW) Range | 1 Hz to 1 MHz (1-10 sequence) |
Amplitude & Measurement Range
| Parameter | Value |
|---|---|
| Measurement Range | -130 dBm to +25 dBm |
| Maximum Safe Input RF Power | +25 dBm (with ≥ 10 dB input attenuation) |
| Maximum DC Input Voltage | 0 V DC |
| Input Attenuator Range | 0 to 50 dB (in 10 dB steps) |
| Display Range | 80 dB (10 dB/div) |
Dynamic Range & Noise
| Parameter | Value |
|---|---|
| Displayed Average Noise Level (DANL) | -121 dBm (at 1 kHz RBW) |
| 1 dB Compression Point | -10 dBm (for frequencies > 10 MHz) |
Sweep & Trigger Specifications
| Parameter | Value |
|---|---|
| Sweep Time Range (Span > 0 Hz) | 50 ms to 1000 s |
| Sweep Time Range (Zero Span) | 20 ms to 1000 s |
Tracking Generator
| Parameter | Value |
|---|---|
| Tracking Generator Frequency Range | 9 kHz to 2.6 GHz (9 Hz to 2.6 GHz with Option 21) |
| Tracking Generator Output Level Range | 0 to -59.9 dBm |
| Tracking Generator Output Flatness | ±1.5 dB (9 kHz to 2.6 GHz) |
| Tracking Generator Output Level Resolution | 0.1 dB |
Inputs, Outputs & Connectivity
| Parameter | Value |
|---|---|
| RF Input Connector Type | N-type female |
| RF Input Impedance | 50 Ω |
| Tracking Generator Output Connector | N-type female |
| External Reference Input | 10 MHz (BNC female) |
Display & User Interface
| Parameter | Value |
|---|---|
| Measuring Window Function | Built-in dual-window zoom and analysis functionality |
| User-Defined Functions | Supported for custom measurement setup and recall |
Physical & Environmental Specifications
| Parameter | Value |
|---|---|
| Operating Humidity | ≤ 85% RH (non-condensing) |
Amplitude & Level
| Parameter | Value |
|---|---|
| Amplitude Reference Level Range | -110 dBm to +40 dBm |
| Frequency Response Flatness | ±1.0 dB (9 kHz to 2.0 GHz), ±1.5 dB (9 kHz to 2.6 GHz) (with 10 dB input attenuation) |
Dynamic Range & Distortion
| Parameter | Value |
|---|---|
| Second Harmonic Distortion | ≤ -70 dBc (for -30 dBm input, 10 MHz to 2.6 GHz) |
| Third-Order Intermodulation Distortion | ≤ -75 dBc (for two -30 dBm inputs spaced > 50 kHz, 10 MHz to 2.6 GHz) |
Spectral Purity
| Parameter | Value |
|---|---|
| Noise Sidebands (Phase Noise) | ≤ -105 dBc/Hz (at 20 kHz offset, RBW 30 Hz) |
| Residual FM | ≤ 20 Hz p-p / 100 ms |
Sweep & Trigger
| Parameter | Value |
|---|---|
| Sweep Trigger Source | Free Run, Line, Video, External, Single |
Display
| Parameter | Value |
|---|---|
| Display Scale Settings | 10 dB/div, 5 dB/div, 2 dB/div, 1 dB/div, Linear |
Features & Demodulation
| Parameter | Value |
|---|---|
| Audio Demodulation | AM and FM (built-in speaker and headphone jack) |
Interfaces
| Parameter | Value |
|---|---|
| GPIB Interface | IEEE-488 standard |
Options & Accessories
| Parameter | Value |
|---|---|
| Option 01 | Option 01 = High-stability reference oscillator (±2 x 10^-8/day) |
| Option 15 | Controller Function (enables BASIC programming) |
Calibrator
| Parameter | Value |
|---|---|
| Calibrator Output Frequency | 30 MHz |
| Calibrator Output Level | -20 dBm |
Power Specifications
| Parameter | Value |
|---|---|
| AC Power Input | 90 V to 132 V / 198 V to 250 V, 48 Hz to 66 Hz |
| Power Consumption | ≤ 150 VA |
Inputs & Outputs
| Parameter | Value |
|---|---|
| Reference Frequency Output | 10 MHz |
Environmental & Storage
| Parameter | Value |
|---|---|
| Storage Temperature Range | -20 °C to +60 °C |
Technology
Superheterodyne Spectrum Analyzer
Applications
RF and Microwave Spectrum Analysis
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