Scope:
1.1 Theme content; This specification specifies the general requirements for microwave mixers (hereinafter referred to as mixers) used in military electronic systems and equipment. 1.2 Scope of Application This specification applies to mixers of waveguide, coaxial line, microstrip line, and micro assembly types. Not suitable for microwave monolithic integrated circuit mixers. 1.3 Classification 1.3.1 Military component number Military component number should have the letter "J", detailed specification number, and sequence number (see Article 3.1) Composed of and screening code. The filtered products are represented by the letter s, and non filtered products are not represented Testing standard: GB 193 Diameter and pitch series of ordinary threads GB197 Tolerances and fits of ordinary threads GB1238 Metallic coatings and chemical treatment methods GB3190 Chemical composition of aluminum and aluminum alloy processed products GB 5084 Moisture proof packaging GB5232 Processed brass - Chemical composition and product shape GB 11449 Waveguide flange
Function of testing report:
1. Project bidding: Issue authoritative third-party CMA/CNAS qualification report
2. Online e-commerce platform entry: Quality inspection report recognized by major e-commerce platforms 3. Used as a sales report: issuing legally effective testing reports to make consumers more confident 4. Papers and research: Provide professional personalized testing needs 5. Judicial services: providing scientific, fair, and accurate testing data 6. Industrial problem diagnosis: Verify the troubleshooting and correction of industrial production problemsBaijian and testing process:
1. Telephone communication and confirmation of requirements
2. Recommend solutions and confirm quotations 3. Mail samples and arrange testing 4. Progress tracking and result feedback 5. Provide reports and after-sales service 6. If urgent or priority processing is requiredTesting and testing characteristics:
1. The testing industry is fully covered, meeting different testing needs
2. Fully cover the laboratory and allocate localized testing nearby3. Engineers provide one-on-one services to make testing more accurate
4. Free initial testing, with no testing fees charged
5. Self service order delivery for free on-site sampling
6. Short cycle, low cost, and attentive service 7. Possess authoritative qualifications such as CMA, CNAS, CAL, etc 8. The testing report is authoritative and effective, and is generally used in China