Features

• 1 kHz to 1 GHz output
  • Applications across a broad spectrum of uses
• Stable output
  • Repeatable measurements
• Selectable noise or comb output
  • Flexibility across a range of applications
• Compact and portable
  • 85 x 85 x 85 mm, 0.8 kg
• Battery power supply
  • No power cable effects on measurements

Applications

• Conducted and radiated measurement systems validation and verification
• Investigation and characterisation of different measurement environments such as Fully- or Semi-Anechoic chambers, Open Area Test Sites
• Reference source for:
  • Regular pre-test checks as required to satisfy accreditation authorities and standards such as ISO 17025, DEF STAN 59-411
  • Comparisons between test sites
  • Long-term performance monitoring
  • Investigation of screened room behaviour
  • Cable loss measurements
• Evaluating component assembly characteristics e.g. filter loss, amplifier gain and bandwidth
• Spectrum analyser, receiver, antenna, and cable pre-checks
• Inter-laboratory and Proficiency Test programs

YRS04 Specifications

General

Frequency range

• 1 kHz to 1 GHz direct connection into 50 Ω system
• 100 kHz to 1 GHz radiated using MON04 antenna

Temperature Stability

• < +/- 1 dB, 1 kHz to 1 GHz, at an ambient of 15°C to 30°C
• < +/- 1.5 dB, 1 kHz to 1 GHz, at an ambient of 5°C to 40°C

Time Stability

• < 1dB typical over 12 month period

Noise Modes

• Output Level see Graphs

Operating Time

• > 10 hours LF Noise mode typical with alkaline cells
• > 6 hours HF Noise mode typical with alkaline cells

Comb Modes

Comb Signal Step Size

• LF Comb mode 1 1 kHz comb 1 kHz, 2 kHz………..500 kHz
• LF Comb mode 2 10 kHz comb 10 kHz, 20 kHz…….5 MHz
• LF Comb mode 3 100 kHz comb 100 kHz, 200 kHz…30 MHz
• HF Comb mode 1 1 MHz comb 1 MHz, 2 MHz………300 MHz
• HF Comb mode 2 10 MHz comb 10 MHz, 20 MHz……1 GHz

Output Level

• 60 dBμV min. into 50 Ω system for ≥ 90% of combs in each range

Frequency Stability

• < +/- 30 ppm max, < +/- 10 ppm typ, at an ambient of 5°C to 40°C

Operating Time

• > 10 hours All modes, typical with alkaline cells

Other

Output Connectors

• 2 x 50 Ω N-type, LF: 1 kHz to 30 MHz and HF: 30 MHz to 1 GHz

Dimensions

• 85 mm x 85 mm x 85 mm excluding connectors and switches

Weight

• 0.75 kg excluding cells

Power Supply

• 4 x cells AA or equivalent, alkaline or rechargeable NiMH

Indicators

• Power Active, Cell Voltage Low, Replace cells
  Mode Noise signal output, Comb signal output

Controls

• Rotary switch LF noise | LF comb modes | OFF | HF Comb modes | HF noise

Standard Kits

All kits are supplied with

• Alkaline batteries
• Hard case
• CD or USB memory stick containing manual and calibration data
• CAL23 manufacturer’s test certificate showing output power from 1 kHz to 1 GHz  measured using a spectrum analyser, all modes.

YRS04KIT1  – Standard YRS04 Kit

• YRS04 Reference Source
• MON04 monopole antenna

YRS04KIT2  – Enhanced YRS04 Kit

• YRS04 Reference Source
• MON04 monopole antenna
• NIA02 coupling adapter

Accessories

• MON04 270 mm / 560 mm / 850 mm configurable monopole antenna
• NIA02 LISN / ISN adapter with IEC 320 style connector and 4 mm socket connectors