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Agilent 87300B,C,D and 87301B,C,D,E Directional Couplers 87310B Hybrid Coupler
Product Overview
Features and Description
* Compact size * Broadband up to 50 GHz * Excellent performance The Agilent Technologies 87300 series of compact, broadband directional/ sampling and hybrid couplers are well suited for signal monitoring or, when combined with a coaxial detector, signal leveling. See page 2 for the wide range of product offerings.
Product Applications
These compact, broadband directional couplers are important components for many microwave measurement systems. Although most modern signal generators and sweepers supply signals whose power levels are stable with respect to frequency, variations in signal level are introduced due to the cable losses (which increase with frequency) and the frequency response of other components in the signal path. Inserting a directional coupler into the system with a suitable microwave detector to supply feedback to the ALC circuit of a signal
generator or sweeper provides a leveled signal at a particular point in the system (Figure 1). Agilent 8474B,C,E detectors offer excellent broad-band frequency response and low SWR for this application. Other applications include power monitoring with an 848X series power sensor connected to the sampling port. Connect the sampled signal port to a microwave counter to monitor frequency or to a signal analyzer for frequency spectrum monitoring (Figure 2).
Product Specifications
Model Frequency range (GHz) Nominal coupling and variation with respect to output (or coupling factor over insertion loss) Frequency sensitivity Directivity Maximum SWR Insertion loss Typical insertion loss (dB, f = freq. in GHz) Power rating Average Peak Connectors Weight in grams (oz) Model Frequency range (GHz) Nominal coupling and variation with respect to output (or coupling factor over insertion loss) Frequency sensitivity Directivity Maximum SWR Insertion loss Typical insertion loss Power rating Average Peak Connectors Weight in grams (oz) 87300B 1 to 20 GHz 87300C 1 to 26.5 GHz 87300D 6 to 26.5 GHz
10 0.5 dB 0.35 dB, 1 to 20 GHz >16 dB 1.35 <1.5 dB 0.6+0.04f
10 1 dB 0.5 dB, 1 to 26.5 GHz >14 dB, 1 to 12.4 GHz >12 dB, 12.4 to 26.5 GHz 1.35, 1 to 12.4 GHz 1.50, 12.4 to 26.5 GHz <1.2 dB, 1 to 12.4 GHz <1.7 dB, 12.4 to 26.5 GHz 0.6+0.04f
10 0.5 dB 0.3 dB >13 dB 1.40 < 1.3 dB .6 + 0.025f
20 W 3 kW SMA (f) 74 (2.6) 87301B 10 to 46 GHz
20 W 3 kW 3.5 mm (f) 60 (2.1) 87301C 10 to 50 GHz
20 W 3 kW 3.5 mm (f) 31.2 (1.1) 87301D 1 to 40 GHz 87301E 2 to 50 GHz
10 0.7 dB 0.3 dB >10 dB 1.80 <1.9 dB .8+0.022f 20 W 3 kW 2.92 mm (f) 28.4 (1)
10 0.7 dB 0.5 dB >10 dB 1.80 <1.9 dB .8+0.022f 20 W 3 kW 2.4 mm (f) 28.4 (1)
13 1 dB 1.2 dB, 1 to 40 GHz >14 dB, 1 to 20 GHz >10 dB, 20 to 40 GHz 1.5, 1 to 20 GHz 1.7, 20 to 40 GHz <1.2 dB, 1 to 20 GHz <1.9 dB, 20 to 40 GHz 0.4 + 0.035f 20 W 3 kW 2.4 mm (f) or 2.92 mm (f) for Option 292 37 (1.3)
10 1 dB 0.6 dB, 2 to 26.5 GHz 0.8 dB, 2 to 50 GHz >13 dB, 2 to 26.5 GHz >10 dB, 26.5 to 50 GHz 1.5, 2 to 26.5 GHz 1.8, 26.5 to 50 GHz <2 dB 0.55 + 0.025f 20 W 3 kW 2.4 mm (f) 34 (1.2)
2
Agilent 87310B Specifications
Frequency range Coupling Amplitude imbalance Phase imbalance Isolation Maximum SWR Insertion loss Power rating Average Peak Connectors Weight in grams (oz) 1 to 18 GHz 3 dB 0.5 dB at each port, centered at -3 dB 10 Degrees >17 dB 1.35 <2 dB 20 W 3 kW SMA (f) 148 (5.2)
C 9.7(0.38) 6.4 (0.25)
6.4 (0.25)
11.9 (0.47) 18.5 (0.73) 88.9 (3.50) 7.6 (0.300)
6.7 13.5 (0.265) (0.53)
25.4 (1.00)
31.8 (1.25)
4-40 UNC-2B thd X 1/4 deep 4 holes this side & far side
87300B
6.4 (0.25)
6.4 (0.25)
11.9 (0.47) 16.5 (0.65)
6.4 (0.25) 2.4 (0.93) 6.7 (0.265) C typical
11.9 (0.47) 16.3 (0.62) 14.2 (0.56) 28.5 (1.12) 6.4 (0.25) 2.6 (0.104) thru C 12.2 (0.48 9.7 (0.38) 28.4 (1.0) 6.7 (0.265) 13.5 (0.53)
C 12.2(0.48)
74.7 (2.940) 7.6 (0.300)
13.5 (0.53)
24.6 (0.970)
25.4 (1.000)
4-40 UNC-2B thd X 1/4 deep 4 holes this side & far side
Connector Type 3.5 mm (f) 2.92 mm (f) 2.4 mm (f)
87300C
87300D, 87301B, 87301C
6.4 (0.25)
6.4 (0.25)
11.9 (0.47) 16.5 (0.65)
6.4 (0.25)typical
119.4 (4.700) C 9.7(0.38) 31.8 (1.250)
C 3 places
50.8 (2.00) 5.8(0.23)
10.2 (0.40)
5.1 (0.20)
7.6 (0.300)
6.6 (0.26) typical 13.2 (0.52)
9.7 (0.38)
31.8 (1.25)
4-40 UNC-2B thd X 1/4 deep 4 places
34.3 (1.350) 50.8 (2.000)
Connector Type C 2.4 mm (f) 9.7(0.38) 2.92 mm (f) 9.7(0.38)
4-40 UNC-2B thd X 1/4 deep 4 holes this side & far side
87301 D,E Dimensions are in millimeters (inches) nominal unless otherwise specified
87300D
3
Measurement system
8350
83594A
ALC input RF out Switch matrix Test interface 87300C 8474C DUT
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Figure 1
Measurement system
Signal analyzer
Switch matrix test interface
Power meter
Microwave counter
To auxiliary connections
www.agilent.com/find/assist
RF In
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87300C
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Product specifications and descriptions in this document subject to change without notice. (c) Agilent Technologies, Inc. 1997, 2000, 2004 Printed in U.S.A. March 23, 2004 5091-6188E
Figure 2

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