Helicopter airborne electronic equipment TAC/COM series AM/FM radio NT136-PAS working principle-E Helicopter airborne electronic equipment AM/FM radio NT136-PAS virtual instrument tester design-6 Written by: He Jun 1. Overview: "Helicopter Airborne electronic equipment TAC/COM se

2024/04/2218:57:32 military 1122

Helicopter airborne electronic equipment TAC/COM series AM/FM radio NT136-PAS working principle-E

Helicopter airborne electronic equipment AM/FM radio NT136-PAS virtualization instrument tester design-6

Written by: He Jun

. Overview:

" helicopter airborne electronic equipment TAC/COM series AM/FM radio station NT136-PAS" is a series of products of "NAT" company. The

NT136-PAS transceiver is designed to meet the difficult airborne requirements of law enforcement and public service/public safety groups for tactical AM and FM communications systems. The Tac/Com series of radio control heads provide a centralized location for tactical radio control of up to four transceiver systems, which can be NAT or other manufactured. A letter designation or identification of each radio channel, as well as a display of the receiving and transmitting frequencies, are provided to simplify pilot identification of the selected channel. Intended for aircraft use, these parts can also operate in vehicle applications (when special ordered), providing the same capabilities for communications vans, emergency scene coordination or surveillance. The

NT136-PAS transceiver has been added to the Tac/Com product line-up to support multi-mode AM and FM operation and narrowband reception, particularly in line with UK requirements for airborne law enforcement. The

NT series of transceivers have been optimized for full-featured operation across the entire Tac/Com system architecture and provide flexible operation over a wide range of radio frequencies.

Using a combination of serial and parallel tuning, NT transceivers provide a simple interconnect with powerful channel capabilities. The transceiver is also designed to support full FM encryption functionality of DES 1027, and the VGE format without modification Coded Bass Tone Suppression (CTCSS) and Digital Coded Suppression (CDCSS or DPL) encodings are also fully supported.

These fast-locking synthetic radios support various levels of scanning, such as "priority" and "list" formats. These modes can simulate the operation of multiple "protection" receivers under full operator control and can be changed in the system software (control head). The basic radio stores 32 frequencies in 2 pieces of non-volatile memory, any or all of which can be changed by the Tac/Com system control head according to the operator's needs. FM and AM scan modes are fully supported.

" helicopter airborne electronic equipment TAC/COM series AM/FM radio NT136-PAS virtual instrument tester"

is used for testing and testing " airborne electronic equipment TAC/COM series AM/FM radio NT136-PAS" each For equipment with technical indicators, the testing program is programmed in and is written in accordance with the helicopter maintenance manual "23-12-81".

"Helicopter airborne electronic equipment AM/FM radio station NT136-PAS virtualization instrument tester" system connection is shown in the figure:

Helicopter airborne electronic equipment AM/FM radio station NT136-PAS virtualization instrument tester design-6

Helicopter machine Onboard Electronic Equipment TAC/COM Series AM/FM Radio NT136-PAS Working Principle -E

Section 14.0 (continued):

4.2, Power Distribution and Conversion (continued):

Please refer to Section 16, Figure NT136PAS\401-1 , NT150-1\924-1 and NT150-I\401-1.

NT136 PAS\RX\401-0 1.00 Schematic diagram of connecting the receiving board:

NT136PAS\SC\401-0 1.00 Schematic diagram of the connection between the system control PCB and CU110:

NT150-12\401-0 1.10 Schematic diagram of the RF AGC module

AM1 00\701- 01.01 AM/DF receiver parts:

CU110\701-0 1.01 FM/AM conversion module parts:

NTl50-12\701-0 1.01 RF AGC module parts:

NT150-1\701-1 1.10 NT136-PAS transceiver Power Components:

NT1 36PAS\SC\924-0 1.00 System Control PCB with CU110 Connection Component Locator:

NT136PAS\402-0 1.10 AM/FM NT136-PAS Transceiver Internal Wiring Diagram:

NT1 36PAS\BTM\ 910-1.00NT1 36-PAS bottom adjustment positioner assembly view

NT136PAS\TOP\S10-1 1.00 NT136-PAS top adjustment positioner assembly view:

NT136-PAS 910-2 top plug/ jumper positioner assembly view:

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