R&S®ENY81 Coupling Network

For measurement of asymmetrical (common-mode) disturbance voltage

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Key facts

Eight-wire network
Radio disturbance measurements in line with CISPR 22: 2008 and EN 55022: 2010 or CISPR 32 and EN 55032 (150 kHz to 30 MHz)

Brief description

The R&S^®ENY81 coupling network has been designed to measure the asymmetrical (common-mode) disturbance voltage of unshielded, symmetrical telecommunications ports of EUTs.

Specifications

Frequency range
Radio disturbance measurements	R&S^®ENY81

Key facts

Eight-wire network
Radio disturbance measurements in line with CISPR 22: 2008 and EN 55022: 2010 or CISPR 32 and EN 55032 (150 kHz to 30 MHz)
Compliance with CISPR 16-1-2
Adapter sets to meet standardized LCL requirements (55 dB and 65 dB) and to accommodate various telecommunications interfaces
High transmission bandwidth for wanted signal (100 MHz)

Brief description

The R&S^®ENY81 coupling network has been designed to measure the asymmetrical (common-mode) disturbance voltage of unshielded, symmetrical telecommunications ports of EUTs.

Specifications

Frequency range
Radio disturbance measurements	R&S^®ENY81	150 kHz to 30 MHz
Asymmetrical impedance
Impedance	R&S^®ENY81: 0.15 MHz to 30 MHz	150 Ω ± 20 Ω
Phase angle	0.15 MHz to 30 MHz	0° ± 20°
Voltage division factor in asymmetrical circuit	150 kHz to 30 MHz	typ. 10 dB ± 1 dB (calibration data supplied)
	> 30 MHz to 80 MHz	typ. 10 dB ± 2 dB
Transmission bandwidth	3 dB	>100 MHz (for 100 Ω source and load impedances
Longitudinal conversion loss (LCL)
55 dB adapter	LCL (dB)	55 dB – 10 log (1 + (f/5)²) dB
	tolerance	±3 dB, for 0.15 MHz ≤ f ≤ 30 MHz
65 dB adapter	LCL (dB)	65 dB – 10 log (1 + (f/5)²) dB
	tolerance	±3 dB, for f < 2 MHz, –3/+4.5 dB, for 2 MHz ≤ f ≤ 30 MHz
Decoupling attenuation	150 kHz to 1.5 MHz	> 35 dB to 55 dB (increases linearly with logarithm of frequency)
	1.5 MHz to 30 MHz	> 55 dB
Crosstalk (PSELFEXT, EUT/AE)	1 MHz to 100 MHz	≥ 61 dB to ≥ 21 dB (increases linearly with logarithm of frequency)
Maximum values
Max. permissible RF input voltage		< 15 V
Max. permissible DC voltage between line and ground		100 V
Max. permissible AC voltage between line and ground		63 V
Max. permissible DC current		600 mA (current on each individual wire of one pair or on different pairs)
Connectors
Output to test receiver/input from signal generator		BNC female
Connectors for EUT and AE		adapter with 1 mm connectors and RJ-11 or RJ‑45 connectors
General data
Temperature range	operating temperature	+5 °C to +40 °C
	storage temperature	–20 °C to +70 °C
Overall dimensions (B × H × T)	base unit	105 mm × 65 mm × 110 mm (4.13 in × 2.56 in × 4.33 in)
	base unit with adapters	105 mm × 65 mm × 190 mm (4.13 in × 2.56 in × 7.48 in)
Weight	base unit with adapters	520 g (1.15 lb)
	R&S^®ENY81 case with basic adapter set	1640 g (3.62 lb)

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