The Keysight N9340A (formerly Agilent N9340A) is a handheld RF spectrum analyzer covering 100 kHz to 3 GHz, optimized for field installation, maintenance, spectrum monitoring, and on-site repair. It features a high-brightness 7.2-inch transflective LCD, 4-hour battery life, and rapid sweep capability down to 10 ms.
Specifications
General
| Parameter | Value |
|---|---|
| Interfaces | USB host (Type-A), USB device (Mini-B) |
| Display | 7.2 in transflective TFT LCD, 640 x 480 pixels |
| Internal Storage Capacity | 16 MB (up to 256 traces, states, or limit lines) |
| Recommended Calibration Cycle | 1 year |
| Warm-up Time | 30 minutes |
| PC Companion Software | N9340A PC Software |
Physical
| Parameter | Value |
|---|---|
| Power Supply | 100 to 240 V AC, 50 to 60 Hz (AC adapter input); 15 V DC, 4.0 A (AC adapter output) |
| Operating Temperature | 0 to 40 °C (battery power); 0 to 50 °C (AC power) |
| Dimensions (W×H×D) | 318 mm × 207 mm × 101 mm |
| Weight | 3.5 kg (with battery); 2.8 kg (without battery) |
Frequency
| Parameter | Value |
|---|---|
| Frequency Range | 100 kHz to 3 GHz (tunable to 9 kHz) |
| Frequency Span Range | 0 Hz (zero span), 100 Hz to 3 GHz |
| Frequency Span Accuracy | ±1% (nominal) |
| Frequency Reference Aging Rate | < ±1 ppm/year |
| Frequency Reference Temperature Stability | < ±1 ppm (0 to 50 °C) |
| Frequency Reference Calibration Accuracy | < ±1 ppm |
| Marker Frequency Counter Resolution | 1 Hz, 10 Hz, 100 Hz, 1 kHz |
| Marker Frequency Counter Accuracy | ±(marker frequency × frequency reference error + counter resolution) |
Bandwidth
| Parameter | Value |
|---|---|
| Resolution Bandwidth (RBW) Range | 30 Hz to 1 MHz (in 1-3-10 sequence) |
| RBW Shape Factor (60 dB/3 dB) | < 5:1 (typical) |
| Video Bandwidth (VBW) Range | 3 Hz to 1 MHz (in 1-3-10 sequence) |
| Video Bandwidth (VBW) Accuracy | ±10% (nominal) |
Amplitude
| Parameter | Value |
|---|---|
| Amplitude Measurement Range | DANL to +20 dBm |
| Maximum DC Input Voltage | 50 V DC |
| Input Attenuation Range | 0 to 51 dB in 1 dB steps |
| DANL (Preamplifier Off) | ≤ -120 dBm (typical -124 dBm, RBW 30 Hz, VBW 3 Hz, 10 MHz to 3 GHz) |
| DANL (Preamplifier On) | ≤ -140 dBm (typical -144 dBm, RBW 30 Hz, VBW 3 Hz, 10 MHz to 3 GHz) |
| Absolute Amplitude Accuracy | ±0.5 dB |
Sweep and Trigger
| Parameter | Value |
|---|---|
| Sweep Time Range (Span ≥ 100 Hz) | 10 ms to 1000 s |
| Sweep Time Range (Zero Span) | 6 µs to 200 s |
| Sweep Triggers | Free run, Video, External |
| Sweep Mode | Continuous, Single |
| Number of Traces | 4 |
Phase Noise and Spurious Responses
| Parameter | Value |
|---|---|
| SSB Phase Noise at 30 kHz Offset | < -87 dBc/Hz (typical -90 dBc/Hz, fc = 1 GHz) |
| SSB Phase Noise at 100 kHz Offset | < -95 dBc/Hz (typical -100 dBc/Hz, fc = 1 GHz) |
| SSB Phase Noise at 1 MHz Offset | < -112 dBc/Hz (typical -115 dBc/Hz, fc = 1 GHz) |
| Residual Responses | < -90 dBm (typical -98 dBm, input terminated, 0 dB attenuation) |
| Input Related Spurious | < -60 dBc (with -30 dBm signal at mixer) |
| Second Harmonic Distortion (SHI) | +30 dBm (typical, fc = 10 MHz to 1.5 GHz, mixer level -30 dBm) |
| Third-Order Intermodulation Distortion (TOI) | +10 dBm (typical, 300 MHz to 3 GHz) |
Measurement Features
| Parameter | Value |
|---|---|
| One-Button Power Measurements | Channel Power, Occupied Bandwidth (OBW), Adjacent Channel Power Ratio (ACPR) |
| Other Measurement Features | Spectrum Emission Mask (SEM), Field Strength Measurement |
| Spectrogram (Waterfall View) | Available with Option SPC |
| AM/FM Demodulation Analysis | Available with Option AMA |
Inputs and Outputs
| Parameter | Value |
|---|---|
| RF Input Connector | N-type female, 50 Ω nominal |
| RF Input VSWR | < 1.5:1 (typical, 100 kHz to 3 GHz, attenuation ≥ 10 dB) |
| External Reference Input | BNC female, 10 MHz, -10 to +10 dBm |
| External Trigger Input | BNC female, 5 V TTL level |
| Audio Jack | 3.5 mm mini-jack (for AM/FM demodulation monitoring) |
Display and UI
| Parameter | Value |
|---|---|
| Display Type | Transflective color TFT LCD |
| Display Size | 7.2 inches (183 mm) diagonal |
| Display Resolution | 640 × 480 pixels |
| Language Support | 11 languages (including English, French, German, Spanish, Portuguese, Italian, Russian, Japanese, Korean, Simplified and Traditional Chinese) |
Power and Battery
| Parameter | Value |
|---|---|
| Battery Type | Li-ion smart battery, 11.1 V, 7.2 Ah |
| Battery Operating Time | 4 hours |
| Battery Charging Time | 4 hours (charge off), 6 hours (charge on) |
| Power Consumption | < 15 W (typical) |
Environmental
| Parameter | Value |
|---|---|
| Storage Temperature Range | -20 to 70 °C (without battery) |
| Weight (with Battery) | 3.5 kg |
| Weight (without Battery) | 2.8 kg |
| Shock and Vibration | Meets MIL-PRF-28800F Class 2 |
| Operating Altitude | Up to 3,000 m (9,843 ft) |
| Operating Humidity | 15% to 95% RH (non-condensing) |
Hardware Options
| Parameter | Value |
|---|---|
| Tracking Generator Option | 3 GHz tracking generator |
| Preamplifier Option | 3 GHz pre-amplifier |
| Hard Transit Case Option | Available |
| Automotive DC Adapter Option | 12 V DC adaptor |
ASK/FSK Demodulation (Option DMA)
| Parameter | Value |
|---|---|
| ASK Modulation Depth Range | 10% to 100% (Option DMA dependent) |
| ASK Symbol Rate Range | 1 kHz to 100 kHz (Option DMA dependent) |
| FSK Frequency Deviation Range | 1 kHz to 400 kHz (Option DMA dependent) |
| FSK Symbol Rate Range | 1 kHz to 100 kHz (Option DMA dependent) |
Tracking Generator (Option TG3)
| Parameter | Value |
|---|---|
| Tracking Generator Frequency Range | 10 MHz to 3 GHz (Option TG3 dependent) |
| Tracking Generator Output Level Range | -30 dBm to 0 dBm (Option TG3 dependent) |
| Tracking Generator Output Level Resolution | 1 dB steps (Option TG3 dependent) |
Preamplifier (Option PA3)
| Parameter | Value |
|---|---|
| Preamplifier Frequency Range | 100 kHz to 3 GHz (Option PA3 dependent) |
| Preamplifier Gain | 20 dB nominal (Option PA3 dependent) |
Connectivity
| Parameter | Value |
|---|---|
| USB Host Port | USB 1.1 Type-A female |
| USB Device Port | USB 1.1 Type-B female |
Power
| Parameter | Value |
|---|---|
| AC Adapter Input Voltage | 100 to 240 V AC, 50 to 60 Hz |
Environmental & Standards
| Parameter | Value |
|---|---|
| Environmental Compliance | Meets MIL-PRF-28800F Class 2 |
| Safety Compliance | IEC/EN 61010-1 2nd Edition, CAN/CSA-C22.2 No. 61010-1-04 |
| EMC Compliance | IEC/EN 61326-1, AS/NZS CISPR 11 |
Inputs & Outputs
| Parameter | Value |
|---|---|
| RF Input Impedance | 50 Ω (nominal) |
| USB Interface Version | USB 1.1 (Host and Device) |
Performance
| Parameter | Value |
|---|---|
| Number of Markers | 6 |
Power Supply
| Parameter | Value |
|---|---|
| AC/DC Adapter Output | 15 VDC, 4.0 A (60 W) |
Options
| Parameter | Value |
|---|---|
| Security Option (Option SEC) | Clears user memory and disables USB write capability |
Technology
RF
Applications
Spectrum analysis, field maintenance, spectrum monitoring