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SJ 20662-1998 General specification for airborne marker beacon receiver
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This specification specifies the general requirements, quality assurance regulations and delivery preparation for airborne marker
2025-04-09 category：Electronic Industry Standard (SJ)+ View
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SJ 20661-1998 General specification for airborne ultra-short wave radio confidentiality machine
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This specification specifies the requirements, quality assurance regulations and delivery preparation for airborne ultra-short wav
2025-04-09 category：Electronic Industry Standard (SJ)+ View
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SJ 20660-1998 General specification for ground-based air warning radar
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This specification specifies the requirements, quality assurance and delivery preparation of ground-based air warning radar (herei
2025-04-09 category：Electronic Industry Standard (SJ)+ View
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SJ 20657-1998 General Specification for Special Police Communication System
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This specification specifies the requirements, quality assurance regulations, delivery preparation and instructions for special po
2025-04-09 category：Electronic Industry Standard (SJ)+ View
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SJ 20656-1998 General specification for shipborne anti-submarine helicopter airborne radar
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SJ 20656-1998 General Specification for Shipborne Anti-Submarine Helicopter Airborne Radar SJ20656-1998 Standard download decompre
2025-04-09 category：Electronic Industry Standard (SJ)+ View
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SJ 20647-1997 General specification for platinum thermistors
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SJ 20647-1997 General Specification for Platinum Thermistors SJ20647-1997 Standard download decompression password: www.bzxz.net
2025-04-09 category：Electronic Industry Standard (SJ)+ View
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SJ 20646-1997 Test methods for hybrid integrated circuit DC/DC converters
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SJ 20646-1997 Hybrid integrated circuit DC/DC converter test method SJ20646-1997 standard download decompression password: www.bzx
2025-04-09 category：Electronic Industry Standard (SJ)+ View
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SJ 20645-1997 Microwave circuit amplifier test method
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This standard applies to the electrical parameter test of low noise amplifiers, power amplifiers, limiting amplifiers, controllabl
2025-04-09 category：Electronic Industry Standard (SJ)+ View
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