New
HF AntennasR&S®HFH2-Z2E Active Loop Antenna
48 Rohde & Schwarz HF – VHF/UHF – SHF Antennas | Catalog 2017/2018
The R&S®HFH2-Z2E active loop antenna measures the
magnetic field strength in the LF, MF and HF frequency
range. It can be used for EMI measurements in line with
various standards (i.e. CISPR, MIL, FCC, ANSI, ETSI).
Each antenna is individually calibrated.
It is characterized by an almost frequency-independent
antenna factor and very high sensitivity.
In strong field environments, an attenuator can be activat-
ed to reduce distortion. An integrated RF detector with a
threshold circuit reports overload of the antenna.
The antenna is supplied via a coaxial cable using the op-
tional R&S®IN600 bias unit.
Key facts
❙ Wide frequency range
❙ High sensitivity
❙ Wide dynamic range
❙ Compact design
❙ Integrated overload warning
❙ R&S®IN600 bias unit for power supply via coaxial cable
available
❙ No batteries needed
❙ Individual calibration certicate supplied with antenna
❙ Virtually constant antenna factor
8.3 kHz to 30 MHz
Broadband active loop antenna for measuring
magnetic field-strength components
R&S®HFH2-Z2E
Active Loop
Antenna
Antennas2017_2018_cat_en_0758-0368-42_v0800.indb 48 24.07.2017 13:19:14
30
20
10
0
–10
–20
–30
–30
–40
–50
–60
–70
–80
Frequency in MHz
Frield strength in dB (
μA/m/Hz)
0.01 0.1 1 10
Frield strength in dB (
μV/m/Hz)
1
2
3
4
5
6
7
8
9
10
11
12
13
10 kHz 1.5
10
100 MHz 1 1.3 GHz
10 18
26.5
40
HF AntennasR&S®HFH2-Z2E Active Loop Antenna
Rohde & Schwarz HF – VHF/UHF – SHF Antennas | Catalog 2017/2018 49
Lower limit field strength level (for SNR = 1) in
normal mode (meas.)
Ordering information Type Order No.
Active Loop Antenna R&S®HFH2-Z2E 4110.2002.02
Recommended extras
Bias Unit R&S®IN600 4094.3004.13
Transport Case R&S®HFH2-Z7 4110.2925.02
Tripod R&S®HFH2-Z8 4110.2902.02
3D Adapter for X, Y, Z plane measurements on R&S®HFH2-Z8 R&S®HFH2-Z9 4110.2919.02
Upper limit field strength
Normal mode typ. 85 dBµA/m
Attenuation mode typ. 95 dBµA/m
Destructive field strength
8.3 kHz to 30 MHz > 30 V/m
> 30 MHz to 2 GHz > 10 V/m
MTBF > 250 000 h
Power supply (via coaxial cable) +24 V DC –3 V/+1 V (max. 150 mA)
Operating temperature range +5 °C to +40 °C
Dimensions
W × D × H approx. 596 mm × 90 mm × 822 mm
(24 in × 4 in × 32 in)
Loop diameter approx. 600 mm (24 in)
Weight approx. 3 kg (7 lb)
Specifications
Frequency range 8.3 kHz to 30 MHz
Polarization linear/vertical
Nominal impedance 50 Ω
VSWR
8.3 kHz to 20 kHz < 1.8
> 20 kHz to 30 MHz < 1.6
Antenna connector N female
Antenna factor in normal mode
8.3 kHz to 20 kHz 20 dB/m ± 2 dB
> 20 kHz to 30 MHz 20 dB/m ± 1.5 dB
Antenna factor in attenuation mode
8.3 kHz to 20 kHz 30 dB/m ± 2 dB
> 20 kHz to 30 MHz 30 dB/m ± 1.5 dB
Lower limit field strength in normal mode
8.3 kHz to 1.5 MHz see diagram
> 1.5 MHz to 30 MHz –70 dBµA/m (1 Hz) (meas.)
Antennas2017_2018_cat_en_0758-0368-42_v0800.indb 49 24.07.2017 13:19:14