Advantest R4136

The Advantest R4136 is a spectrum analyzer engineered for precise signal analysis across electronics and telecommunications applications. Operating from 0.5 kHz to 23 GHz, it delivers high-resolution frequency measurement down to 30 Hz and amplitude accuracy across a 100 dB dynamic range from 3.5 GHz to 23 GHz. The instrument accepts input signals spanning −131 dBm to +30 dBm, making it suitable for weak-signal detection and high-power applications alike.

Technical Specifications

• Frequency range: 0.5 kHz to 23 GHz


• Frequency resolution: Up to 30 Hz maximum


• External mixer compatibility extends range beyond 23 GHz


• Residual FM: Below 30 Hz p-p for frequencies ≤7.5 GHz and spans ≤2 MHz Amplitude Performance


• Input range: −131 dBm to +30 dBm


• Dynamic range: 100 dB from 3.5 GHz to 23 GHz


• Proximity noise: −95.5 dBc/Hz at 20 GHz, 20 kHz off-carrier

Key Features

• High-accuracy frequency counting capabilities


• Occupied bandwidth measurement (optional)


• Adjacent channel leakage power measurement (optional)


• IC card memory option for autonomous operation and panel programming storage


• GPIB remote control interface standard

Typical Applications The R4136 serves RF and microwave component characterization, signal purity analysis, occupied bandwidth compliance testing, and adjacent channel power verification in standards-based communications testing.

Compatibility & Integration Standard GPIB connectivity enables integration into automated test environments. Optional memory card expansion allows measurement sequences to execute independently of host systems. Multiple power cable options accommodate regional electrical standards and facility requirements.