Advantest R3132 9 kHz to 3 GHz Spectrum Analyzer

The Advantest R3132 is a spectrum analyzer spanning 9 kHz to 3 GHz, purpose-built for wideband signal analysis and electromagnetic compliance testing. It delivers amplitude measurement capability from +30 dBm down to noise floor, with total level accuracy of ±1.5 dB maximum. The instrument features a 6.5-inch TFT color LCD display with VGA output support, enabling real-time signal visualization on external monitors.

A built-in frequency counter provides 1 Hz to 1 kHz resolution with marker-based accuracy tied to frequency reference stability of ±2 × 10⁻⁶/year (±1 × 10⁻⁷/year with option). Resolution bandwidth ranges from 1 kHz to 3 MHz in 1-3-10 sequence, with optional narrow-band filters down to 30 Hz.

Technical Specifications

• Frequency range: 9 kHz to 3 GHz


• Frequency span accuracy: ≤ ±1%


• Frequency reference stability: ±2 × 10⁻⁶/year standard; ±1 × 10⁻⁷/year optional


• Counter resolution: 1 Hz to 1 kHz


• Residual FM: ≤ 60 Hz p-p over 0.1 s Amplitude Characteristics


• Total level accuracy: ±1.5 dB maximum


• Measuring range: +30 dBm to average displayed noise level


• Maximum input level (preamplifier OFF): +30 dBm ±50 VDC


• Maximum input level (preamplifier ON): +13 dBm ±50 VDC


• Average noise floor (preamplifier OFF): −118 dBm + 2f(GHz) dB at 1 kHz RBW


• Average noise floor (preamplifier ON): −132 dBm + 3f(GHz) dB at 1 kHz RBW


• 2nd-order harmonic distortion: ≤ −80 dBc (mixer input −30 dBm, f ≥ 100 MHz)


• 3rd-order intermodulation distortion: ≤ −80 dBc (two-signal, −30 dBm mixer input, offset > 10 kHz)


• Residual response (preamplifier OFF): ≤ −100 dBm


• Residual response (preamplifier ON): ≤ −105 dBm Resolution & Signal Purity


• RBW (3 dB): 1 kHz to 3 MHz standard; 30 Hz to 300 Hz optional


• Signal purity: ≤ −105 dBc/Hz at 20 kHz offset; ≤ −100 dBc/Hz at 10 kHz offset

Key Features

• High-resolution 6.5-inch TFT color LCD with external VGA display output


• Integrated frequency counter with 1 Hz minimum resolution


• Floppy disk drive for trace data and measurement condition storage


• Built-in preamplifier option for extended dynamic range


• Selectable input attenuation and multiple RBW filters


• Auto-calibration for frequency response correction

Compatibility & Integration

• GPIB interface for automated measurement control


• RS232 serial interface for system integration


• VGA output for networked display configurations