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In summary, the Rohde & Schwarz R&S®FPL1003 is a portable RF spectrum analyzer covering 5 kHz to 3 GHz, built around the FPL platform's reference-class phase noise specification and an optional 40 MHz analysis bandwidth. It is designed for engineers who need premium German-engineered measurement accuracy in a chassis compact enough for bench, rack, and field operation. It is the most cost-efficient entry point into the R&S premium phase-noise pedigree and is the FPL of choice for labs that do not need to measure above 3 GHz.
The R&S®FPL1003 is used for sub-6 GHz cellular receiver test (LTE band coverage to 3 GHz), ISM-band wireless characterization (433 MHz, 868 MHz, 915 MHz, 2.4 GHz), Wi-Fi 6 in the 2.4 GHz and 5 GHz bands (fundamental only), Bluetooth/BLE compliance, GNSS L1 band signal verification, and general-purpose EMI pre-compliance scanning to FCC Part 15 and CISPR 22/32 limits. The instrument supports general-purpose swept spectrum analysis, FFT analysis, channel power and ACLR measurements, occupied bandwidth, spurious emissions, harmonic and intermodulation measurements, and — with the appropriate firmware options — phase noise, noise figure, vector signal analysis, and EMI pre-compliance.
Within the R&S®FPL family the FPL1003 occupies the 3 GHz coverage tier. Across the industry it competes most directly with mid-tier portable and compact-bench analyzers in the same frequency band, but it carries the Rohde & Schwarz phase noise pedigree (often cited as the published reference for SSB phase noise comparisons) and the same software application ecosystem used by the higher-end R&S®FSVA, R&S®FSV3000, and R&S®FSW series. This means an engineer can develop a measurement workflow on the FPL and lift it onto a flagship analyzer without rewriting test code.
The FPL1003 specifies SSB phase noise of < –99 dBc/Hz at 1 kHz offset, < –110 dBc/Hz at 100 kHz offset, and < –130 dBc/Hz at 1 MHz offset (1 GHz carrier). Displayed Average Noise Level (DANL) is < –149 dBm (5 MHz to 3 GHz), –152 dBm (typ.), normalized to 1 Hz RBW with the sample detector and preamplifier off at +20 °C to +30 °C. Third-order intercept (TOI) is > +17 dBm in the 300 MHz to 3 GHz band with the preamplifier off. Total measurement uncertainty is 0.5 dB in the 1 MHz to 3 GHz region (signal level 0 dB to –50 dB below reference level, S/N > 20 dB, sweep type FFT, span/RBW < 100, +20 °C to +30 °C, 95 % confidence level). Recommended calibration interval is 1 year.
The FPL1003 supports measurement workflows aligned with CISPR 11, CISPR 16-1-1, IEC/EN 61326-1 and 61326-2-1, IEC/EN 61000-3-2 and 61000-3-3, FCC Part 15 (with the R&S®FPL1-K54 EMI application), 3GPP-defined modulation schemes (with the R&S®FPL1-K70 vector signal analysis option), and ISO/IEC 17025 traceable calibration practices when paired with an accredited calibration laboratory. The instrument carries CE, CCSAUS, and KCC test marks and meets EN 60068-2-6, EN 60068-2-64, and MIL-PRF-28800F mechanical resistance requirements.
A spectrum analyzer translates signal energy into a frequency-domain view: power on the vertical axis, frequency on the horizontal axis. Where an oscilloscope shows voltage versus time, a spectrum analyzer shows where energy lives across the radio-frequency landscape. The R&S®FPL1003 performs this translation across 5 kHz to 3 GHz, using a swept and FFT hybrid architecture that automatically switches to FFT sweep mode at resolution bandwidths of 50 kHz or below — a key contributor to the instrument's fast sweep time and accurate narrowband measurement performance.
The FPL1003 uses a direct-conversion front end across its full frequency range, optimized for fast sweep performance and low noise without the insertion loss of a preselector. This makes the instrument particularly well suited to wide-instantaneous-bandwidth measurements when combined with the R&S®FPL1-B40 40 MHz analysis bandwidth option.
| Frequency range | 5 kHz to 3 GHz |
| Frequency resolution | 0.01 Hz |
| Internal reference aging (standard) | 1 × 10⁻⁶ per year |
| Internal reference aging (with R&S®FPL1-B4 OCXO) | 1 × 10⁻⁷ per year |
| Temperature drift (standard, 0 °C to +50 °C) | 1 × 10⁻⁶ |
| Temperature drift (with OCXO) | 1 × 10⁻⁷ |
| Marker resolution | 0.01 Hz |
| Frequency counter resolution | 0.001 Hz |
| Display range for frequency axis | 0 Hz, 10 Hz to maximum frequency |
| Number of sweep points (default / range) | 1001 / 101 to 100001 (up to 200001 with K54 EMI active) |
| Carrier Offset | SSB Phase Noise |
|---|---|
| 100 Hz | –88 dBc/Hz (nom.) |
| 1 kHz | < –99 dBc/Hz |
| 10 kHz | < –105 dBc/Hz, –108 dBc/Hz (typ.) |
| 100 kHz | < –110 dBc/Hz, –115 dBc/Hz (typ.) |
| 1 MHz | < –130 dBc/Hz, –135 dBc/Hz (typ.) |
| 10 MHz | –152 dBc/Hz (nom.) |
| Range, span = 0 Hz | 1 µs to 8000 s |
| Range, span ≥ 10 Hz, RBW ≥ 100 kHz | 1 ms to 8000 s |
| Range, span ≥ 10 Hz, RBW < 100 kHz | 75 µs to 8000 s (FFT) |
| Sweep time accuracy, span = 0 Hz | 0.1 % (nom.) |
| Sweep time accuracy, span ≥ 10 Hz, RBW ≥ 100 kHz | 3 % (nom.) |
| Sweep filter RBW (–3 dB) | 100 kHz to 10 MHz, in 1/2/3/5 sequence |
| FFT filter RBW (–3 dB) | 1 Hz to 50 kHz, in 1/2/3/5 sequence |
| Bandwidth uncertainty | < 3 % (nom.) |
| Shape factor 60 dB:3 dB | < 5 (nom.) |
| Channel filters (–3 dB) | 100/200/300/500 Hz; 1/1.5/2/2.4/2.7/3/3.4/4/4.5/5/6/7.5/8.5/9/10/12.5/14/15/16/20/21/25/30/50/100/150/192/200/300/500 kHz; 1/1.228/1.5/2/3/3.75/5/10 MHz |
| EMI filters (–6 dB, with R&S®FPL1-K54) | 10/100/200 Hz; 1/9/10/100/120 kHz; 1 MHz |
| Video bandwidths | 1 Hz to 10 MHz, in 1/2/3/5 sequence |
| Standard analysis bandwidth (nom.) | 12.8 MHz |
| With R&S®FPL1-B40 option (nom.) | 40 MHz |
| Display range | Displayed noise floor up to +30 dBm |
| Maximum DC voltage | 50 V |
| Maximum CW RF power (RF preamp off, 0 dB att.) | +20 dBm (0.1 W) |
| Maximum CW RF power (≥ 10 dB att.) | +30 dBm (1 W) |
| Maximum pulse voltage (≥ 10 dB att., preamp off) | 150 V |
| Maximum pulse energy (≥ 10 dB att., 10 µs) | 1 mWs |
| Reference level setting range | –130 dBm to (–13 dBm + RF attenuation − preamp gain), in 0.01 dB steps |
| Logarithmic level axis | 1 dB to 200 dB, in 1 dB steps |
| Number of traces | 6 |
| Trace detectors | Max peak, min peak, auto peak (normal), sample, RMS, average |
| EMI detectors (with K54) | Quasi-peak, RMS-average, CISPR-average |
| Absolute level uncertainty at 50 MHz (+20 °C to +30 °C) | < 0.3 dB (σ = 0.1 dB) |
| Absolute level uncertainty at 50 MHz (0 °C to +50 °C) | < 0.5 dB (σ = 0.17 dB) |
| Attenuator switching uncertainty (50 MHz, 0 to 45 dB) | < 0.2 dB (σ = 0.07 dB) |
| Frequency Range | Response |
|---|---|
| 5 kHz ≤ f < 3 MHz | < 1 dB (nom.) |
| 3 MHz ≤ f < 3 GHz | < 0.3 dB (σ = 0.1 dB) |
| 1 dB compression of input mixer (two tone, RF att. 0 dB, preamp off) | +7 dBm (nom.) |
| TOI, 10 MHz ≤ fin < 300 MHz | > +13 dBm, +16 dBm (typ.) |
| TOI, 300 MHz ≤ fin < 3 GHz | > +17 dBm, +20 dBm (typ.) |
| SHI, 1 MHz < fin < 900 MHz | +45 dBm (nom.) |
| SHI, 900 MHz ≤ fin ≤ 13.25 GHz | +70 dBm (nom.) |
| Frequency Range | DANL |
|---|---|
| 5 kHz ≤ f < 100 kHz | –143 dBm (typ.) |
| 100 kHz ≤ f < 5 MHz | < –140 dBm, –143 dBm (typ.) |
| 5 MHz ≤ f < 3 GHz | < –149 dBm, –152 dBm (typ.) |
| Local measurement and display update rate (1001 sweep points, sweep optimization: speed) | 1 ms (1000/s) (nom.) |
| Maximum sweep rate, remote, trace average on | 0.9 ms (1100/s) (nom.) |
| Remote measurement and LAN transfer | 3.2 ms (357/s) (nom.) |
| Marker peak search | 1.9 ms (nom.) |
| Center frequency tune + sweep + sweep data transfer | 16 ms (nom.) |
| Trigger source | Free run, video, external, IF power, I/Q power |
| Trigger offset, span ≥ 10 Hz | 0 s to 20 s |
| Trigger offset, span = 0 Hz | (−sweep time) to 20 s |
| Maximum deviation of trigger offset | ± 10 ns |
| IF power trigger sensitivity (min / max) | –60 dBm / –15 dBm (+ RF att. − preamp gain) |
| IF power trigger bandwidth (RBW > 5 MHz / ≤ 5 MHz) | 40 MHz / 6 MHz (nom.) |
| Gate sources | Video, external, IF power, I/Q power |
| Gate delay / length | 0 s to 20 s / 10 ns to 20 s, min. resolution 10 ns |
| Interface | GPIB or LAN |
| Memory length | 25 Msample I and Q (max.) |
| Word length of I/Q samples | 14 bit |
| Sampling rate (standard) | 100 Hz to 16 MHz |
| Sampling rate (with R&S®FPL1-B40) | 100 Hz to 100 MHz |
| RF input impedance | 50 Ω |
| RF input connector | type N female |
| Setting range of attenuator (standard) | 0 dB to 45 dB, in 5 dB steps |
| Setting range of attenuator (with R&S®FPL1-B25) | 0 dB to 45 dB, in 1 dB steps |
| RF preamplifier gain (with R&S®FPL1-B22) | 20 dB (nom.) |
| USB front / rear | 2 × Type A (USB 2.0) / 2 × Type A (USB 3.1) |
| Reference output | BNC female, 50 Ω, 10 MHz, > 0 dBm (nom.) |
| Reference input | BNC female, 50 Ω, 10 MHz ± 5 ppm, > 0 dBm |
| External trigger/gate input | BNC female, 0.5 V to 3.5 V, 10 kΩ |
| LAN interface | 10/100/1000BASE-T, RJ-45 |
| External monitor | DisplayPort Rev. 1.3 (SN ≥ 300000); DVI-D on earlier serial numbers |
| Display | 21 cm (10.1") LC TFT color, 1280 × 800 pixel (WXGA) |
| Pixel failure rate | < 1 × 10⁻⁵ |
| Internal storage (standard) | 128 GB SSD (32 GB on SN < 300000) |
| External storage | USB 2.0/3.1 memory devices |
| Operating temperature range | 0 °C to +50 °C |
| Storage temperature range | –20 °C to +70 °C |
| Damp heat | +40 °C at 85 % rel. humidity, EN 60068-2-30 |
| Vibration (sinusoidal) | 5 Hz to 55 Hz / 55 Hz to 150 Hz, EN 60068-2-6 |
| Vibration (random) | 5 Hz to 500 Hz, 1.2 g RMS, EN 60068-2-64, MIL-PRF-28800F |
| Shock | 40 g shock spectrum, MIL-STD-810E, method 516.4, procedure I; MIL-PRF-28800F |
| EMC | EMC Directive 2014/30/EU; IEC/EN 61326-1, 61326-2-1; CISPR 11/EN 55011; IEC/EN 61000-3-2, 61000-3-3 |
| AC supply | 100 V to 240 V ± 10 %, 50 Hz to 60 Hz ± 5 % |
| Safety | EN 61010-1, IEC 61010-1, UL 61010-1, CAN/CSA-C22.2 No. 61010-1 |
| Test marks | CE, CCSAUS, KCC |
| Power consumption (operating, nom.) | 65 W |
| Power consumption (max., with all options) | 115 W |
| Power consumption (standby, no B4) | 5 W (nom.) |
| Dimensions (W × H × D) | 408 mm × 186 mm × 235 mm (16.06 in × 7.32 in × 9.25 in) |
| Net weight (without options) | 6 kg (13.22 lb) |
| Net weight (with internal battery) | 7.3 kg (16 lb) |
| Recommended calibration interval | 1 year |
| Option | Description | Order No. |
|---|---|---|
| R&S®FPL1-B4 | OCXO reference frequency | 1323.1902.02 |
| R&S®FPL1-B5 | Additional interfaces (user port, noise source ctrl, IF/Video, audio) | 1323.1883.02 |
| R&S®FPL1-B9 | Internal tracking generator (5 kHz to 3 GHz) | 1323.1925.03 |
| R&S®FPL1-B10 | GPIB interface | 1323.1890.02 |
| R&S®FPL1-B12 | External generator control | 1353.6660.02 |
| R&S®FPL1-B19 | Second solid-state drive (SSD) | 1304.0427.02 / 1304.0427.03 |
| R&S®FPL1-B22 | 3 GHz/7.5 GHz preamplifier option (R&S®FPL1-B22) | 1323.1719.02 |
| R&S®FPL1-B25 | 1 dB steps for electronic attenuator | 1323.1990.02 |
| R&S®FPL1-B30 | DC power supply 12 V/24 V | 1323.1877.02 |
| R&S®FPL1-B31 | Internal lithium-ion battery (2 packs + internal charger) | 1323.1725.02 |
| R&S®FPL1-B40 | 40 MHz analysis bandwidth | 1323.1931.02 |
| R&S®FPL1-K7 | AM/FM/PM measurement demodulator | 1323.1731.02 |
| R&S®FPL1-K9 | Power sensor measurement (R&S®NRPxx) | 1323.1754.02 |
| R&S®FPL1-K30 | Noise figure and gain measurements (requires B5) | 1323.1760.02 |
| R&S®FPL1-K33 | Security write protection for SSD | 1323.1290.02 |
| R&S®FPL1-K40 | Phase noise measurement application | 1323.1831.02 |
| R&S®FPL1-K41R | 40 MHz real-time spectrum measurements | 1353.6702.02 |
| R&S®FPL1-K54 | EMI measurement application (CISPR detectors) | 1323.1783.02 |
| R&S®FPL1-K70 | Vector signal analysis | 1323.1748.02 |
| R&S®FPL1-K70M | Multi-modulation analysis (requires K70) | 1323.1625.02 |
| R&S®FPL1-K70P | BER measurements with PRBS data (requires K70) | 1323.1631.02 |
With the R&S®FPL1-B9 option, the FPL1003 adds an internal CW signal source useful for stimulus-response measurements such as filter response, amplifier gain flatness, return loss (with appropriate directional bridge), and scalar network analysis.
| Frequency range | 5 kHz to 3 GHz |
| Setting resolution (independent CW source) | 0.01 Hz |
| SSB phase noise (1 GHz, 10 kHz offset) | < –102 dBc/Hz, –108 dBc/Hz (typ.) |
| SSB phase noise (1 GHz, 100 kHz offset) | < –105 dBc/Hz, –111 dBc/Hz (typ.) |
| SSB phase noise (1 GHz, 1 MHz offset) | < –117 dBc/Hz, –130 dBc/Hz (typ.) |
| Specified level range | –50 dBm to 0 dBm |
| Setting range | –60 dBm to +10 dBm |
| Setting resolution | 0.1 dB |
| Absolute level uncertainty (50 MHz, –10 dBm) | < 0.5 dB |
| Dynamic range (RBW = 1 kHz, f = 1 GHz) | 115 dB (nom.) |
| GEN output connector | Type N female, 50 Ω |
| GEN output VSWR | 1.5 (nom.) |
| Reverse power, DC voltage | 50 V |
| Reverse power, CW RF | +30 dBm (1 W) |
This webpage was written by a human with an A.I. "Intern", which may contain errors. Please review the Manufacturers Data Sheet to verify published specifications. Feedback on this webpage is always welcome, please reach out to your Test Architect at any time for questions or concerns. Thank you, we truly appreciate you being our customer.
Model No
FPL1003-P6
Condition
New
Manufacturer
Rohde & Schwarz
Frequency
3 GHz
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