This document is an addendum to TIA Telecommunications Service Bulletin TSB-88-B. It is intended to clarify the default ENBW of analog FM receivers that are deployed in the VHF and UHF bands as indicated in Annex A and Table 2. ? Radios in the VHF (high band) that utilize ± 5 kHz deviation often use an IF bandwidth of 16 kHz ? Radios in the UHF (380 - 512 MHz) that utilize ± 5 kHz deviation often use an IF bandwidth of 16 kHz. ? Radios in the 800 MHz band but not the NPSPAC band that utilize ± 5 kHz deviation often use an IF bandwidth of 16 kHz ? Radios in the 800 MHz band that operate in the NPSPAC band with ± 4 kHz deviation require a narrower IF bandwidth to achieve a 20 dB ACRR. ? Narrow analog FM radios do not provide 60 dB ACRR unless a very narrow ENBW in utilized. Some manufacturers do not provide this capability as it is not required by TIA/ANSI 603C.
TIA TSB-88-B-1-2005由美国电信工业协会 US-TIA 发布于 2005-05-01。
TIA TSB-88-B-1-2005 在中国标准分类中归属于: M36 无线电通信设备,在国际标准分类中归属于: 49.025.01 航空航天制造用材料综合。
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