Amplifier Research 120S1G3 Microwave Amplifier Repair and Calibration

$245.00 evaluation fee

🛡️ 90-Day Warranty ✓ Fee Credited to Repair ⚡ No Forms Needed

Restore your Amplifier Research 120S1G3 to factory specifications with June Company’s certified repair service. Our technicians specialize in output stage rebuild, regulation loop recalibration, cooling system service, and load/line regulation verification.

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📋 How It Works

Submit Request – Pay evaluation fee & provide equipment details
Ship to Us – Send your equipment to our Oregon facility
We Evaluate – Detailed diagnosis & repair estimate
Fee Credited – Your evaluation fee applies to repair cost
We Repair – Professional repair with 90-day warranty

🔧 Fast Turnaround: Most repairs are completed within 1–3 business days.
📏 Precision Calibration: NIST-traceable calibrations included for most repairs.
🛡️ Warranty: 90-day warranty on all repairs.
📝 Transparency: Detailed evaluation and repair estimate before work begins.

✓ Evaluation Fee Credited Toward Repair

This evaluation fee is applied as credit toward your final repair cost. After we evaluate your equipment, you'll receive a detailed estimate before any repair work begins.

Description

Amplifier Research 120S1G3 Microwave Amplifier Repair and Calibration

The Amplifier Research 120S1G3 Microwave Amplifier is a programmable power supply – it holds a commanded voltage or current under whatever load the device under test presents, and switches between constant-voltage and constant-current regulation as that load changes. The output stage does the work, and it is where the heat and the wear concentrate.

June Company repairs and calibrates the Amplifier Research 120S1G3 Microwave Amplifier for test engineers, production test departments, R&D laboratories, and equipment manufacturers. Every instrument is repaired at component level and verified against reference standards before it ships back, with the measured results documented.

Common Amplifier Research 120S1G3 Microwave Amplifier problems we fix

Internal power supply faults.
GPIB, LAN, USB or remote-control faults – which breaks automated test sequences while the instrument still works from the front panel.
Display, keypad or front-panel faults.
Output voltage or current out of tolerance under load – a supply can read correct on its own display while delivering something else to the load – readback and actual output are separate circuits and they drift separately.
Will not regulate, or oscillates between CV and CC.
Excessive ripple or noise on the output – invisible on the front panel and capable of corrupting whatever is being powered.
Output stage or pass-element failure.
Current limit not holding at the set value.
Output relay not switching.
Cooling fan or thermal shutdown.

FAQs

Are the measurements verified after repair? Yes, against reference standards, with the measured results documented and returned with the instrument.

The display shows the right voltage but my circuit sees something else. How? Readback and actual output are separate circuits. A supply can report correctly while delivering incorrectly, which is why we verify the output under load rather than trusting the panel.

Every repair carries a 90-day parts-and-labor warranty, with a firm quote before any work begins. Email us or submit a service request.

Brand

Amplifier Research Repair

Amplifier Research (AR) provides high-performance RF and microwave amplifiers, antennas, test systems, and other related products. Their products are widely used in various industries, including telecommunications, military, aerospace, and medical fields. Here are some key product categories offered by Amplifier Research and their functionalities: 1. RF and Microwave Amplifiers Solid State Amplifiers: Provide high power and wide bandwidth for applications in testing, communications, and defense. Available in various frequency ranges from DC to 50 GHz and power levels up to several kilowatts. Traveling Wave Tube Amplifiers (TWTAs): High-power amplifiers for applications requiring very high power in the microwave frequency range. Often used in radar, electronic warfare, and communication systems. 2. Antennas Broadband Antennas: Cover wide frequency ranges and are used in EMC testing, signal monitoring, and communications. Types include log periodic, horn, and biconical antennas. Specialty Antennas: Designed for specific applications such as EMC testing, shielding effectiveness, and other specialized tests. 3. Test Systems EMC Test Systems: Complete systems for testing electromagnetic compatibility (EMC) to ensure that electronic devices meet regulatory standards. These systems include signal generators, receivers, and software for comprehensive EMC testing. Radiated Immunity Test Systems: Used to test the immunity of electronic devices to radiated electromagnetic fields, ensuring they can operate correctly in their intended electromagnetic environment.

Shipping & Returns

Packing your equipment. You are responsible for packaging equipment adequately for transit. We strongly recommend the original manufacturer’s case, or double-boxing with at least two inches of shock-absorbing material on all six sides. We return your equipment in the packaging it arrived in, so please send it in packaging that will survive the return trip as well. If your packaging is damaged or inadequate for the return, we will substitute suitable packaging and may charge the cost of materials.

Insurance. Equipment is not insured by June Company while in transit. We strongly recommend insuring your shipment for its full replacement value.

Risk of loss. Risk of loss remains with you until your equipment is received at our facility, and transfers back to you when your repaired unit is delivered to the carrier (F.O.B. shipping point). June Company is not responsible for equipment lost, delayed, misdelivered, or damaged in transit, in either direction.

Return label. A prepaid and preprinted return shipping label should be included with your shipment. If one is not included, we will provide one.

Transit damage. Damage occurring in transit is the responsibility of the carrier. It is not a warranty defect and is not covered by the 90-day repair warranty. Any claim must be filed by you with the carrier; we will supply photographs and documentation to support it at no charge.

Full details: Terms & Conditions, Section 6 · Return Policy