The Advantest R3361B is a legacy high-performance spectrum analyzer featuring an integrated tracking generator designed for rf and microwave applications up to 2.6 GHz. Distinct from the 50-ohm 'A' model, the R3361B variant features 75-ohm input and output impedances, making it exceptionally suited for cable television (CATV) and broadcasting system measurements.
Specifications
General
| Parameter | Value |
|---|---|
| Interfaces | GPIB (IEEE-488) |
| Display | CRT |
Physical
| Parameter | Value |
|---|---|
| Power Supply | 100 to 120 VAC / 220 to 240 VAC (switchable), 50/60 Hz, <= 150 VA |
| Operating Temperature | 0 to 50 °C |
| Dimensions (W×H×D) | 330 mm × 177 mm × 450 mm |
| Weight | 17 |
Frequency Specifications
| Parameter | Value |
|---|---|
| Frequency Range | 9 kHz to 2.6 GHz |
| Frequency Span Range | 0 Hz (zero span), 50 kHz to 2.6 GHz |
| Reference Frequency Accuracy | +-2 x 10^-6 / year |
Resolution and Bandwidth
| 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) |
Inputs and Outputs
| Parameter | Value |
|---|---|
| RF Input Impedance | 75 Ω |
| RF Input Connector | NC female (75 Ω) |
Tracking Generator
| Parameter | Value |
|---|---|
| Tracking Generator | Built-in (standard) |
| Tracking Generator Frequency Range | 9 kHz to 2.6 GHz |
| Tracking Generator Output Impedance | 75 Ω |
| Tracking Generator Output Connector | NC female (75 Ω) |
| Tracking Generator Output Level Range | +55 to +105 dBμV (1 dB steps) |
Sweep
| Parameter | Value |
|---|---|
| Sweep Time Range | 50 ms to 1000 s |
| Sweep Trigger Modes | Free Run, Line, Single, External, Video |
Amplitude
| Parameter | Value |
|---|---|
| Log Display Scale | 1, 2, 5, 10 dB/div |
Frequency
| Parameter | Value |
|---|---|
| Frequency Resolution | 1 Hz |
| Reference Frequency Aging Rate | ±2 × 10^-6 / year (standard) |
| Single Sideband (SSB) Phase Noise | ≤ -90 dBc/Hz @ 20 kHz offset |
Calibration
| Parameter | Value |
|---|---|
| Calibration Output Frequency | 30 MHz |
| Calibration Output Level | +80 dBμV @ 30 MHz |
Receiver / Amplitude
| Parameter | Value |
|---|---|
| Displayed Average Noise Level | ≤ -11 dBμV (100 kHz to 2.6 GHz, 1 kHz RBW) |
| Input Attenuator Range | 0 to 50 dB (10 dB steps) |
| Log Scale Settings | 1, 2, 5, 10 dB/div |
Filters & Bandwidths
| Parameter | Value |
|---|---|
| Resolution Bandwidth Selectivity (60 dB/3 dB ratio) | < 15:1 |
Storage & Interface
| Parameter | Value |
|---|---|
| Memory Card Slot | IC memory card (for saving/recalling waveforms and settings) |
Technology
Superheterodyne Spectrum Analyzer
Applications
RF and Microwave Measurement, CATV Testing, Broadcast Component Characterization
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