Agilent 8471E Coaxial RF Microwave Detectors 0.01 GHz – 12 GHz Data Sheet The detector is designed for use in RF and microwave instrumentation and systems applications as the detecting element in leveling loops, for power monitoring and for wideband video detection. 1000 100000 100 Rv (Ω) 10000 10 1 50K Ω 1K Ω 0.1 0.01 –30 –20 1000 100 200 Ω 30 Ω –10 0 10 Input power (dBm) 10 20 Figure 1. Typical transfer characteristics Tangential sensitivity (dBm) The Agilent 8471E Detector is a Planar Doped Barrier (PDB) detector offering the characteristics of the Agilent 8474 line of PDB detectors in an economical package. It is available with an SMA RF connector and an SMC video connector. –60 –20 0 20 60 Temperature (ºC) 100 Figure 4. Typical video impedance variation with temperature. –25 Ta = 100 ºC –30 % variation in dB from output @ –20 dBm RF input 10 –35 Ta = 25 ºC –40 5 –45 0 T = –60 –50 a Amplifier NF = 3 dB 8 dB S/N ratio –55 –60 104 105 106 Bandwidth (Hz) 107 4 2 0 –2 –4 –6 –5 2 GHz 8 GHz 12 GHz –10 103 Figure 2. Typical tangential sensitivity Response (dB) • Zero bias • Environmentally rugged • SMA connector Output voltage (mV) Features and Description 50k Ω 10k Ω 1k Ω 0.1k Ω –60 –40 –20 0 20 40 60 80 100 Temperature (ºC) Figure 3. Typical output response with temperature (PIN ≤ 20 dBm). 0 2 4 6 8 10 12 14 16 18 20 RF power (dBm) Figure 5. Typical square law deviation Specifications www.agilent.com www.agilent.com/find/mta Frequency range: 0.01 - 12 GHz Frequency responses: ±0.23 dB (0.01 - 4 Ghz); ±0.6 dB (4 - 8 GHz); ±0.85 dB (8 - 12 GHz) SWR: < 1.2 (0.01 - 4 GHz); < 1.7 (4 - 8 GHz); < 2.4 (8 - 12 GHz) Low level sensitivity: 0.4 mV/µW Max. operating input: 200 mW Typical short-term max. input: 0.75 Watt Noise: < 50 µV For more information on Agilent Technologies’ products, applications or services, please contact your local Agilent office. The complete list is available at: www.agilent.com/find/contactus (µV peak-to-peak with CW power applied to produce 100 mV output, 400 kHz BW) Output polarity (STD): negative (003): positive Americas Canada Latin America United States (877) 894-4414 305 269 7500 (800) 829-4444 Asia Pacific Australia China Hong Kong India Japan Korea Malaysia Singapore Taiwan Thailand 1 800 629 485 800 810 0189 800 938 693 1 800 112 929 0120 (421) 345 080 769 0800 1 800 888 848 1 800 375 8100 0800 047 866 1 800 226 008 Note: Above specifications are at 25 ºC and ≤ 20 dBm unless otherwise specified. Environmental Operating temperature: –20º to +85 ºC Non-operating temperature: MIL-STD 883, Method 1010: (–55º to +85 ºC) Vibration: MIL-STD 883, Method 2007: (0.6” D.A. 20 to 80 Hz and 20 g, 80 to 2000 Hz) Shock: MIL-STD 883, Method 2002.1: (500 g, 0.5 ms) Altitude: MIL-STD 883, Method 1001: (50,000 ft, 15,240 m) Moisture resistance: MIL-STD 883, Method 1004.1: (25º to 40 ºC, 95% RH) RFI: MIL-STD 461C (meets Part 7, degraded by 10 dB) Equivalent diode Rv, diode video impedance CB, RF bypass capacitor Video out V RF in Europe & Middle East Austria 01 36027 71571 Belgium 32 (0) 2 404 93 40 Denmark 45 70 13 15 15 Finland 358 (0) 10 855 2100 France 0825 010 700* 50 Ω *0.125 €/minute Germany 07031 464 6333 Ireland 1890 924 204 Israel 972-3-9288-504/544 Italy 39 02 92 60 8484 Netherlands 31 (0) 20 547 2111 Spain 34 (91) 631 3300 Sweden 0200-88 22 55 Switzerland 0800 80 53 53 United Kingdom 44 (0) 118 9276201 Other European Countries: www.agilent.com/find/contactus Figure 6. Equivalent circuit for Agilent 8471E with typical parameter values. Typical values: RV (diode video impedance) ≈ 1.5 kΩ* CB (RF bypass capacitor) ≈ 30 pF nominal (R )(R ) TR (10 to 90% risetime) ≈ 2.2 LOAD V (CB + CLOAD) = 0.35 BW RLOAD + RV PIN ≤registered 20 dBm (see Figure 3) *@ 25 ºC and Microsoft is a U.S. trademark of Microsoft Corporation. Revised: October 6, 2008 Agilent 8471E A: 7.9 (0.31) B: 39.16 (1.54) C: 9.26 (0.36) Connector: SMA (m) input SMC (m) output Net weight: 38.8 grams (1.37 oz.) Video connector SMC (male center conductor) RF connector C A B Figure 7. Agilent 8471E Product specifications and descriptions in this document subject to change without notice. © Agilent Technologies, Inc. 2009 Printed in USA, February 17, 2009 5952-0802E