NAVY MIL-T-28916 (1)-1969 TERMINAL TELEGRAPH-TELEPHONE TH-81 GCC《TH-81 GCC型电报机电话终端》.pdf

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1、! MIL-T-28916 (MC) AMENDMENT 1 30 July 1969 MILITARY SPECIFICATION TERMINAL, TELEGRAPH-TELEPHONE : TH-81/GCC This amendment forms a part of Military Specification MIL-T-28916 (MC), dated 26 March 1969, .PAGE 5 3.4.8(f) : Delete ii221i and-substitute 112011. PAGE 6 3.6.1.2: Delete and substitute: Il3

2、.6.1.2 Delav distortion, The delay distortion in the frequency band between 600 and 3,200 Hz shall not exceed 175 microseconds Ws) and in the frequency band between 1,000 and 2,500 Hz shall not exceed 100&s, for the temperature range of -25OC to +65OC. in the frequency band between 600 and 3,200 Hz

3、shall no: exceed 230 fls for the temperature range of -4OOC to -25 Cot1 The delay distortion PAGE 7 3.6.1.5, line 1: Delete 112-wiret1and substitute t14-wire11. PAGE 9 3.6.2.3: Add the following under the .headings shown: Input output Il-9.0 dBm -16 dBm +3 dBm“ Provided by IHSNot for ResaleNo reprod

4、uction or networking permitted without license from IHS-,-,- c MIL-T-28916 (MC) AMENDMENT 1 3.6.4.4: substitute: PAGE 11 Delete column level dBm“ and . : . IiTransmit level dBm -6 to -8 -4 to -6 -2 to -4 o to -2 -15 to -19 -15 to -19 -15 to -19 -15 to -19 -6 to -8 . -16.5 to -17.5“. Page 2 of 2 pages Preparing activity: Proj ect No . 5805-N149 Navy - MC Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-