Keysight (Agilent)
Keysight (Agilent) N9321C
9kHz to 4GHz RF Spectrum Analyzer
100 kHz to 3 GHz Frequency Range
6.5-inch TFT color LCD, 640 x 480 resolution Display
-148 dBm (typical) at 1 GHz, 10 Hz RBW Displayed Average Noise Level (DANL)
-98 dBc/Hz at 1 GHz, 10 kHz offset (typical) Phase Noise
10 Hz to 1 MHz (in 1-3-10 steps) Resolution Bandwidth (RBW)

| Attribute | Value |
|---|---|
| Frequency Range | 100 kHz to 3 GHz |
| Display | 6.5-inch TFT color LCD, 640 x 480 resolution |
| Displayed Average Noise Level (DANL) | -148 dBm (typical) at 1 GHz, 10 Hz RBW |
| Phase Noise | -98 dBc/Hz at 1 GHz, 10 kHz offset (typical) |
| Resolution Bandwidth (RBW) | 10 Hz to 1 MHz (in 1-3-10 steps) |
| Input Impedance | 50 Ohm |
| Maximum Input Power | +30 dBm (1 W) |
| Amplitude Accuracy | ±1.5 dB total amplitude accuracy |
| Power Supply | 100–240 V AC, 50/60 Hz |
| Dimensions (W x H x D) | 322 mm x 178 mm x 91 mm (12.7 x 7.0 x 3.6 in) |
Keysight (Agilent) N9321C Options:
- N9321C - PFR - Precision Frequency Reference
- N9321C - TG4 - Tracking Generator (5 MHz to 4 GHz)
- N9321C - RM4 - Reflection Measurement (requires Option TG4)
- N9321C - EMC - EMI Bandwidths (CISPR compliant: 200 Hz, 9 kHz, 120 kHz, 1 MHz) and Quasi-peak Detector
- N9321C - TMG - Time Gated Sweep / RF Burst Trigger
- N9321C - P04 - Preamplifier (9 kHz to 4 GHz)
- N9321C - AMA - AM/FM Modulation Analysis (10 MHz to 4 GHz)
- N9321C - DMA - ASK/FSK Modulation Analysis (2.5 MHz to 4 GHz)
- N9321C - SCN - Channel Scanner
- N9321C - MNT - Spectrum Monitor
- N9321C - SEC - Security Features
- N9321C - TPN - Task Planner
- N9321C - PWM - USB Average Power Sensor Support (Keysight U2000 Series)
- N9321C - PWP - USB Peak and Average Power Sensor Support (Keysight U2020 and U2042/44 X-Series)
- N9321C - BB1 - Base Band Input (9 kHz to 10 MHz)
- N9321C - G01 - GPIB Interface (IEEE-488 bus connector)
| Model | N9321C |
|---|
Keysight (Agilent) N9321C 9kHz to 4GHz RF Spectrum Analyzer Description: Keysight (Agilent) N9321C 9kHz to 4GHz RF Spectrum Analyzer





