For example: Agilent E4440A or Anritsu 68369
Sweep Signal Generator
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Wavetek 3ST Overview
Features:
- Continuously referenced, non-interfering sweep frequency response measurement
- Extremely fast sweep update
- Receiver is also high-powered SAM
- Hum and carrier to noise tests on modulated carriers
- High resolution LCD spectrum display
- Performs essential cable TV system preventive maintenance tests with accuracy and ease
- Signal levels, hum, C/N, and frequency response can be quickly tested without subscriber interference
- Frequency response is tested by injecting a low level signal in vacant spectrum areas, and monitoring cable system carrier levels in occupied spectrum areas
- In addition to generating the sweep test signal, the Stealth Transmitter 3ST continuously monitors the system carriers
- While monitoring these carriers, the 3ST immediately sends any headend level variations to the Stealth Receiver 3SR
- Stealth Receiver, 3SR, in addition to performing its sweep reception duties, conducts a battery of signal level measurements, including a full scan of the cable spectrum to 1 GHz
- Frequency Range: 5 MHz to 1,000 MHz
- Resolution Bandwidths: 30, 280, and 1,000 kHz
- Tuning Resolutions: 10 kHz
- Level Measurement Range: -45 to +60 dBmV
- Resolution: 0.1 dB
- Hum Measurement (carrier ? -5 dBmV) Range: 0 to 10%
- Resolution: < 0.2%
- Carrier to Noise Measurement (carrier? 20 dBmV) Range: -20 to -55 dBc
- Resolution: 0.5 dB
- Frequency Response Sweep Rate: approx 1 second (5 ms per data point + 100 ms telemetry)
- Display Scaling & Range: 0.5, 1, 2, 5 and 10 dB/division; 6 vertical divisions
- Sweep Scan: User definable from 5 to 1,000 MHz
- Reference Storage: At least 8
- Sweep Trace Storage: At least 50
- Transmitter Frequency Range: 5 to 1,000 MHz
- Level Range: +10 to +40 dBmV; settable in 2 dB increments
- Telemetry Frequency: User defined, any frequency within tunable range
- Modulation: FSK, 100 kHz deviation
- Printer Interface: Serial, RS232, IBM, & HP Laserjet
- Powering - Battery Life: 2 hours continuous (absolute worst case), replaceable battery cartridge