Announcements

A.H. Systems Inc. has promoted these products / services:

A.H. Systems Inc. - Passive Loop Antenna for low frequency emissions

This 24" Passive Loop Antenna is electrostatically shielded and is an excellent solution for low frequency magnetic field emissions and immunity testing in the frequency range of 20 Hz to 1 MHz.

Features

  • 20 Hz to 1 MHz
  • Emissions and Immunity Testing
  • CISPR, MIL-STD compliance testing
  • Rugged Construction
  • Three Year Warranty
(read more)
A.H. Systems Inc. - Electrostatic shielded loop antenna

This 24" Passive Loop Antenna is an electrostatic shielded loop antenna that minimizes the E-field response and is an excellent solution for low frequency magnetic field emissions and immunity testing in the frequency range of 9K Hz to 30 MHz.

Features

  • 9 KHz to 30 MHz
  • Individually Calibrated
  • CISPR, MIL-STD compliance testing
  • Rugged Co...
(read more)
A.H. Systems Inc. - Passive Shielded Loop Antenna

Passive Shielded Loop Antenna is an excellent solution for shielding effectiveness testing.

Features

  • 1 KHz to 30 MHz
  • Individually Calibrated
  • Rugged Construction
  • Three Year Warranty
(read more)
A.H. Systems Inc. - Octave Horn Antennas

A.H. Systems' Octave Horn Antennas is an octave bandwith pyamidal horn antenna that offers excellent half power performance. With low VSWR, high input handling capability and rugged design make these horn antenna excellent for both immunity and emissions testing. (read more)

A.H. Systems Inc. - Why Choose A.H. Systems for antenna rentals?
  • Saves time and money with immediate delivery
  • Provides cost-effective solutions for short-term projects or overload
  • Protects against capital investments and product obsolescence
  • Provides the ability to evaluate equipment before purchasing
  • Avoids wasting time and money on maintenance costs
(read more)
A.H. Systems Inc. - Biconical Antenna SAS-547

A.H. Systems SAS-547 Biconical Antenna is a broadband high frequency antenna. It's omni-directional radiation pattern is ideal for electromagnetic field monitoring. This broadband, high-frequency biconical antenna is designed specifically for broadband Field monitoring. (read more)

A.H. Systems Inc. - Loop Antennas: an efficient low cost solution

Whether used in a set to measure shielding effectiveness per MIL-STD 285 and NSA 65-6 or individually to satisfy specific requirements, the Loop Antenna is an efficient, low cost solution. (read more)

A.H. Systems Inc. - Useful formulas for RF related conversions

Frequently used conversion factors, how they are derived, and why they are used. If you need to convert from one series of units to another for any reason, this is the tech. note for you. (read more)

A.H. Systems Inc. - High gain,low VSWR Double Ridge Guide Horn Antenna

High gain, low VSWR, input handling capability up to 800 watts CW, and rugged design make this horn antenna excellent for both immunity and emissions testing. (read more)

A.H. Systems Inc. - High Power Input Capability DRG Horn Antenna

The A.H. Systems' DRG horn is a broadband antenna that offers excellent performance over the frequency range of 170 MHz - 3 GHz. High gain, low VSWR, input handling capability up to 800 watts CW and rugged design make this horn antenna excellent for both immunity and emissions testing. (read more)

A.H. Systems Inc. - Antenna Factor Calculations and Deviations

Depending on the type of test that antenna may include factors such as:
• Loss due to mismatch of impedance between the antenna output and transmission line.
• Loss due to attenuation of the transmission line.
• Loss due to VSWR at the and/or the receiver.
• Gain due to a preamplifier located at the antenna. (read more)

A.H. Systems Inc. - How to Perform a Radiated Emissions Measurement

This is a brief overview on how to perform a standard Radiated Emissions Measurement test. It includes how to set up, take measurements and calculate results. (read more)

A.H. Systems Inc. - What is an Antenna's Antenna Factor?

An antenna's antenna factor (AF) is a comparison between the field level presented to the antenna and the actual voltage produced by the antenna at it's connector. (read more)

A.H. Systems Inc. - Tuned Dipole with 2 complete Sets in one case

A.H. Systems' Tuned Dipole Set provides an accurate standard for precise EMI and site attenuation measurements (per OET-55 and ANSI C63.4). Each Tuned Dipole Set is manufactured per the FCC balun design and is individually calibrated.All sets come contained in a rugged, lightweight storage case which includes four baluns, elements, cables, a tape measure and one clamp for tripod mounting. (read more)

A.H. Systems Inc. - Battery Operated Active Monopole Antenna

A.H. Systems' Active Monopole Antenna provides superior performance in electric field measurements. The Active Monopole Antenna can drive any receiver with 50 ohm input impedance and will perform FCC, MIL-STD and TEMPEST tests. The SAS-550-1B includes a battery pack and charger for open field test sites that may not have ready access to outlets. (read more)

A.H. Systems Inc. - The Best frequency range and performance in 1 case

The Best frequency range and performance in one case! The AK-40G antenna kit is compact, giving you the freedom to test all over....! (read more)

A.H. Systems Inc. - Tuned Dipole Set TDS-535

• 25 MHz to 1 GHz
• Individually Calibrated
• FCC, MIL-STD, VDE Testing
• Rugged Construction
• Low Loss, Low VSWR (read more)

A.H. Systems Inc. - Active Monopole Antenna

A.H. Systems Active Monopole Antenna is an active, general-purpose, broadband monopole antenna.

Features

• 9 KHz to 60 MHz
• Individually Calibrated
• FCC, MIL-STD, VDE and TEMPEST Testing
• Rugged Construction
• Three Year Warranty (read more)

A.H. Systems Inc. - Best frequency range and performance in one case!

Constantly changing for today's dynamic environment, A.H. Systems presents the proven line of Antenna Kits. Designed to meet the needs of your various testing requirements. (read more)

A.H. Systems Inc. - Current Probe Fixture

Most Bulk Current Injection Test Procedures require the use of current probe calibration fixtures. (read more)

A.H. Systems Inc. - Portable and Economical Antenna Kit

The A.H. Systems AK-285R and AK-285T antenna kits includes all of the required antennas needed to perform shielding effectiveness. Each component has a specific storage compartment in the carrying case therefore, loss and breakage are virtually eliminated. Cables, a tripod with azimuth and elevation head, and a tripod carrying case accompany each antenna kit. (read more)

A.H. Systems Inc. - Double Ridge Guide Horn Antenna

The A.H. Systems' Double Ridge Guide Horn Antenna is a broadband antenna that offers excellent performance over the frequency range of 700 MHz to 18.0 GHz. High gain, low VSWR, input handling capability up to 300 watts CW, and rugged design make this horn antenna excellent for both immunity and emissions testing. Available with next-day on-time delivery. (read more)

A.H. Systems Inc. - Passive Loop Antenna

A.H. Systems' designs, manufactures and delivers high performance Loop Antenna for a wide range of magnetic field testing. Whether used in a set to measure shielding effectiveness per MIL-STD 285 and NSA 65-6, or individually to satisfy specific requirements; this Loop Antenna is an efficient, low cost solution (read more)

A.H. Systems Inc. - Dipole Antenna TV-2

The A.H. Systems' TV-2 antenna provides an accurate standard for precise EMI and site attenuation measurements (per OET-55 and ANSI C63.5). The TV-2 is manufactured per the FCC balun design and individually calibrated. (read more)

A.H. Systems Inc. - Rugged High frequency Biconical Antenna

• 30 MHz to 1 GHz
• Individually Calibrated
• FCC, MIL-STD, VDE and TEMPEST Testing
• Rugged Construction
• Three Year Warranty (read more)

A.H. Systems Inc. - Individually Calibrated injection current probe

Features
•1 MHz to 500 MHz
•Individually Calibrated
•Rugged Construction
•Split Type Clamp-on Design
•MIL-STD-461 CS114, CS115, CS116 (read more)

A.H. Systems Inc. - High gain preamplifier for field measurements.

A.H. Systems' Preamplifier line is an excellent choice with a rugged design, no hassles with soldering your own power leads and they improve overall system sensitivity by 38 dB. (read more)

A.H. Systems Inc. - Antenna Accessories

A.H. Systems doesn't just carry the antennas, but also the accessories. including cables, tripods, carrying cases, and more with next-day on-time delivery (read more)

A.H. Systems Inc. - Bilogical Antenna Kits

The Bilogical Antenna Kits eliminate the need for antenna switching and therefore makes this unique hybrid a versatile performer. (read more)

A.H. Systems Inc. - The proven line of Antenna Kits.

Constantly changing for today's dynamic environment, A.H. Systems presents the proven line of Antenna Kits. Designed to meet the needs of your various testing requirements. (read more)

A.H. Systems Inc. - SLEEVE DIPOLES 1 GHz- 3 GHz

With excellent symmetry, our Sleeve dipoles are an excellent omni-directional reference antenna. Manufactured with low VSWR, these Sleeve Dipole Antennas can be made to your specified frequency. (read more)

A.H. Systems Inc. - Antenna Radome Enclosure

The ARE-571 antenna radome enclosure is an ideal solution for mounting the horn antenna in harsh environments. (read more)

A.H. Systems Inc. - EPC-1 Extension Pole Clamp

The EPC-1 is an adjustible mounting clamp for a one inch pole. (read more)

A.H. Systems Inc. - Formulas for RF Related Conversions

dBmW = dBµV - 107

The constant inthe above equation is derived as follows. Power is related to voltage according to Ohm's law. (read more)

A.H. Systems Inc. - Non-magnetic and non-reflective antenna tripod

We're excited to unveil our new ATU-514 "non-magnetic and non-reflective" antenna tripod, a brand-new product made especially for compliance testing (read more)

A.H. Systems Inc. -  A broadband antenna that folds in half

This directional Log Periodic Antenna is a broadband antenna that folds in half for portible applications. (read more)

A.H. Systems Inc. - Compact Log Periodic Antenna

Lightweight broadband Log Periodic Antenna designed for communication and wireless testing (read more)

A.H. Systems Inc. - Manufactured to ensure maximum gain and low VSWR

The SAS-519-7 Log Periodic Antenna is extremely lightweight, compact and has been manufactured to ensure maximum gain and low VSWR. Covering a very large frequency range, this antenna is one of the smallest available. Whether testing inside a shielded enclosure or outdoors, this antenna will display efficient performance characteristics through the frequency range of 650 MHz to 7000 MHz. (read more)

A.H. Systems Inc. - Shielding Effectiveness Kits

A portable and economical approach to having all the antennas required for most shielding effectiveness testing. (read more)

A.H. Systems Inc. - High Field Rod Antenna Kit

For applications where high sensitivity is required, A.H. Systems set of H-Field Rods provides an accurate standard for magnetic field testing. (read more)

A.H. Systems Inc. - Current Probes — 20 Hz to 1 GHz

These EMC Current Probes are designed to permit field intensity meters, spectrum analyzers, and other 50 ohm impedance instruments to measure quantitative magnitudes of current. Measurements can be made on single and multi-conductor cables, ground and bonding straps, shielded conduits, and on coaxial cables. (read more)

A.H. Systems Inc. - Measuring pulse currents up to 100 amperes

This probe is capable of measuring pulse currents up to 100 amperes with wide operating frequency of 10 KHz - 150 MHz. (read more)

A.H. Systems Inc. - Folding Biconical antenna for portability

You asked for convienence....

We have created the SAS-542 just for those concerned with portability issues (read more)

A.H. Systems Inc. - TV-1 Tuned Dipole Antenna

The A.H. Systems' TV-1 antenna provides an accurate standard for precise EMI and site attenuation measurements (per OET-55 and ANSI C63.5). This half wave dipole is an ideal solution for Radio/Television broadcast and land mobile radio engineers. The TV-1 is manufactured per the FCC balun design and individually calibrated. (read more)

A.H. Systems Inc. - Bilogical Antenna 25 MHz-7 GHz

A.H. Systems' SAS-521-7 Bilogical Antenna is one of our latest antennas, providing an inexpensive solution for broadband testing applications. Whether testing inside a shielded enclosure or outdoors, this antenna will display efficient performance characteristics through the frequency range of 25 MHz to 7000 MHz. (read more)

A.H. Systems Inc. - Log Periodic Antenna 650 MHz- 4 GHz

This Log Periodic Antenna will provide reliable, repeatable measurements. An ideal solution and a standard workhorse of any EMC test house for compliance testing. (read more)

A.H. Systems Inc. - Equivalent Capacitance Fixture

The ECF-10 is a 10 pF capacitance fixture used for system checks and calibration of the active monopole antennas. One of the functions of the matching network is to convert the high impedance input of the antenna element to the 50 ohm impedance of the measurement receiver. The 10 pF capacitor ensures that the correct source impedance is present during the check. (read more)

A.H. Systems Inc. - Antenna Calibration Services

Annual recalibration is important

• Calibration Frequency Range of 20 Hz to 40 GHz
• Quick Turnaround Times
• Low Measurement Uncertainty
• Custom In-House software for a greater calibration accuracy
• Expert Calibration and Characterization Services Since 1974 - Experience Counts (read more)

A.H. Systems Inc. - Renting vs. Purchasing Antennas

Here are a few reasons you should consider renting vs. purchasing:

• Saves time and money with immediate delivery
• Provides cost-effective solutions for short-term projects or overload
• Protects against capital investments and product obsolescence
• Provides the ability to evaluate equipment before purchasing (read more)