Keysight 86205A/B & 86207A 50 & 75 Bridges 300 kHz to 3 GHz (50 ) 300 kHz to 6 GHz (50 ) 300 kHz to 3 GHz (75 ) Data Sheet Introduction The Keysight Technologies, Inc. 86205A/B and 86207A high directivity RF bridges offer unparalleled performance in a variety of general purpose applications. They are ideal for accurate reflection measurements and signalleveling applications. They combine the directivity and broad-band frequency range of directional bridges and the low insertion loss and flat coupling factor of directional couplers. 40 dB directivity Excellent directivity allows you to measure high return loss devices and good port match lets you measure low return loss devices. This is especially important when making reflection measurements with scalar network analyzers, vector network analyzers and spectrum analyzers. Wide frequency range The bridges have an exceptionally wide RF frequency range: 300 kHz to 3/6 GHz for the 50 86205A/B and 300 kHz to 3 GHz for the 75 86207A. They are ideal accessories when used with the E5061/71 family of the ENA series network analyzers. Low insertion loss These bridges offer low insertion loss, (nominally 1.5 dB), which is significantly less than the typical 6 to 8 dB normally associated with RF bridges. Low insertion loss means more power to the device under test. This is required for the measurement of high-power solid state amplifiers and traveling wave tube amplifiers. Flat coupling factor The frequency response of the coupled arm for these bridges is very flat, within 0.2 dB of the nominal value of 16 dB. This is important in applications such as external power leveling where a power meter or diode detector is used to remotely level the output power from an RF source and when measuring power level dependent devices such as the LO input to a mixer or the RF input to an amplifier during compression testing. 03 | Keysight | 86205A/B & 86207A 50 & 75 RF Bridges - Data Sheet Specifications 86205B Specifications describe the instrument's warranted performance over the temperature range of 0 C to 55 C. Supplemental characteristics are intended to provide information useful in applying the instrument by giving supplemental, but not warranted performance parameters. These are denoted as "typical." Frequency range Impedance Directivity (25 C, 5 C) 0 86205A Directivity 0 0.5 1 2 2.5 3 -20 dB 300 kHz to 6 GHz 50 Ohms (nominal) 30 dB, 0.3 MHz to 5 MHz 40 dB, 5 MHz to 2 GHz 30 dB, 2 GHz to 3 GHz (typical) 20 dB, 3 GHz to 5 GHz (typical) 16 dB, 5 GHz to 6 GHz Directivity -10 d B Directivity Specification -30 -40 -50 -60 Frequency Port match 14 dB, 0.3 MHz to 3 GHz, (1.50 SWR) -20 -30 0 -40 -0.5 -50 -1 100 MHz Frequency 1 GHz 6 GHz dB dB 1.5 -10 Frequency range Impedance Directivity (25 C, 5 C) -60 0.3 MHz 10 MHz 300 kHz to 3 GHz 50 Ohms (nominal) 38 dB, 0.3 MHz to 1.3 GHz 33 dB, 1.3 GHz to 3 GHz Insertion Loss 0 0.5 1 1.5 2 2.5 3 Insertion Loss Specification -1.5 -2 -2.5 Port match 23 dB, 0.3 MHz to 2.0 GHz (1.15 SWR) 20 dB, 2.0 GHz to 3 GHz (1.22 SWR) (typical) 18 dB, 3 GHz to 5 GHz (1.29 SWR) (typical) 16 dB, 5 GHz to 6 GHz (1.38 SWR) -3 Frequency Coupling Factor Supplemental characteristics 1.5 dB, +0.1 dB/GHz 0.2 dB (< 3 GHz) 16.0 dB, +0.15 dB/GHz (> 3 GHz) 16.5 dB, -0.20 dB/GHz (< 3 GHz) 0.2 dB, (> 3 GHz) 0.4 dB 25 dBm Coupling factor deviation Maximum input power Maximum DC, volts (through arm) 30 VDC Maximum DC, volts (coupled arm) 0 VDC Maximum DC, amps (through arm) 1 amp Below 1 MHz directivity and port match will be slightly degraded above 200 ma bias current. Connectors Type-N (female) Dimensions 160 W x 93 H x 23 mm D (6.3 W x 3.7 H x 1 in D) Weight Net 0.57 kg (1.3 lbs), shipping 1.80 kg (4.0 lbs) Coupling Factor dB Insertion loss Insertion loss deviation Coupling factor Min Max Frequency Supplemental characteristics Insertion loss Coupling factor Coupling factor deviation Connectors Dimension Weight 2.0 dB, 0.3 MHz to 1 GHz 2.5 dB, 1 GHz to 3 GHz -21 to -15 dB, 0.3 MHz to 3 GHz 18 dB, 0.3 MHz to 3 GHz +3 dB 3.5 mm (f), APC-7 133.2 W x 18.2 H x 31.5 mm D (5.2 W x 0.7 H x 1.2 in D) Net 0.31 kg (0.68 lbs), Shipping 0.64 kg (1.41 lbs) 04 | Keysight | 86205A/B & 86207A 50 & 75 RF Bridges - Data Sheet Port match 86207A Frequency range Impedance Directivity (25 C, 5 C) 300 kHz to 3 GHz 75 Ohms (nominal) 30 dB, 0.3 MHz to 5 MHz 40 dB, 5 MHz to 1.3 GHz 35 dB, 1.3 GHz to 2 GHz (typical) 30 dB, 2 GHz to 3 GHz -1.1 20 dB, 0.3 GHz to 1.3 GHz (1.22 SWR) (typical) 18 dB, 1.3 GHz to 2 GHz (1.29 SWR) (typical) 18 dB, 2 GHz to 3 GHz (1.29 SWR) Insertion Loss -1.3 -1.5 dB -10 Directivity -20 dB -1.9 -2.1 -2.3 -2.5 0.3 MHz -30 -40 -50 -60 0.3 MHz 1 MHz -1.7 100 MHz 10 MHz Frequency 3 GHz Frequency 6 GHz 1 GHz 3 GHz -15.6 Coupling Factor -15.8 -16.0 Models dB -16.2 86205A RF bridge (50 ) 86205B RF bridge (50 ) 86207A RF bridge (75 ) -16.4 -16.6 -16.8 -17.0 0.3 MHz 4X M3.5 X 0.6 Figure 1. Mechanical dimension for 86205/7A Figure 2. Mechanical dimension for 86205B 7 3 GHz Frequency 6 GHz 05 | Keysight | 86205A/B & 86207A 50 & 75 RF Bridges - Data Sheet myKeysight www.keysight.com/find/mykeysight A personalized view into the information most relevant to you. www.axiestandard.org Three-Year Warranty www.keysight.com/find/ThreeYearWarranty Keysight's commitment to superior product quality and lower total cost of ownership. The only test and measurement company with three-year warranty standard on all instruments, worldwide. 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(c) Keysight Technologies, 2001-2014 Published in USA, August 4, 2014 5091-3117EN www.keysight.com