Rohde & Schwarz
Rohde & Schwarz FSEM21
20 Hz – 26.5 GHz Frequency Range
10 Hz – 10 MHz Resolution Bandwidth
-113 dBc/Hz at 10 kHz offset (1 GHz carrier) Phase Noise
-155 dBm (typical, with preamplifier) Displayed Average Noise Level (DANL)
50 Ohm Input Impedance
| Attribute | Value |
|---|---|
| Frequency Range | 20 Hz – 26.5 GHz |
| Resolution Bandwidth | 10 Hz – 10 MHz |
| Phase Noise | -113 dBc/Hz at 10 kHz offset (1 GHz carrier) |
| Displayed Average Noise Level (DANL) | -155 dBm (typical, with preamplifier) |
| Input Impedance | 50 Ohm |
| Maximum Input Level | +30 dBm |
| Dynamic Range | Up to 110 dB |
| Sweep Time | 2.5 ms – 16000 s |
| Video Bandwidth | 1 Hz – 10 MHz |
| RF Input Connector | N-type female (front panel) |
Rohde & Schwarz FSEM21 Options:
- FSEM21 - FSE-B1 - Colour Display (factory-fitted only)
- FSEM21 - FSE-B3 - TV Demodulator (factory-fitted only)
- FSEM21 - FSE-B4 - Low Phase Noise and OCXO
- FSEM21 - FSE-B5 - FFT Filter 1 Hz to 1 kHz
- FSEM21 - FSE-B7 - Vector Signal Analyzer
- FSEM21 - FSE-B10 - Tracking Generator 9 kHz to 7 GHz
- FSEM21 - FSE-B11 - Tracking Generator with I/Q Modulator 9 kHz to 7 GHz
- FSEM21 - FSE-B12 - Switchable Attenuator for Tracking Generators FSE-B8/9/10/11 (0 to 70 dB)
- FSEM21 - FSE-B15 - Computer Function - Additional use of 486 processor for DOS or Windows applications
- FSEM21 - FSE-B16 - Ethernet Interface LAN integration for use in production
- FSEM21 - FSE-B17 - 2nd IEC/IEEE-Bus Interface
- FSEM21 - FSE-B22 - Increased Level Accuracy up to 2 GHz (factory-fitted only)
- FSEM21 - FSE-K3 - Noise Measurement Software
- FSEM21 - FSE-K10 - Application Firmware for mobile radio transmitter measurements to GSM900 specs 11.20 (mobiles), GSM1800 and GSM1900
- FSEM21 - FSE-K11 - Application Firmware for mobile radio transmitter measurements to GSM900 specs 11.20 (BTS), GSM1800 and GSM1900
| Model | FSEM21 |
|---|
The Rohde & Schwarz FSEM21 Spectrum Analyzer offers wide frequency coverage from 20 Hz to 13.5 GHz, 1 Hz to 10 MHz RBW/VBW, and ±0.5 dB amplitude accuracy, ideal for RF and microwave signal testing.
Its modular architecture, fast sweep times, and advanced demodulation features support versatile test scenarios across industries.
Testwall can supply the used Rohde & Schwarz FSEM21, fully tested. With expert support and global delivery, Testwall ensures high-performance instrumentation with unmatched reliability and service quality. Please contact us directly if you need calibration or repair of the Rohde & Schwarz FSEM21.
