mecㆍviewer v1.4

KARI PROPRIETARY

Request For Proposal

Power Amplifier Set for Galileo Signal

November 24, 2010

Space Test Department

Korea Aerospace Research Institute

P.O.Box 113 Yuseung, Daejeon, 305-600, KOREA

Phone : 82(42)860-2977, Fax : 82(42)860-2234

KARI PROPRIETARY

Request For Proposal

for

Power Amplifier Set for Galileo Signal

IMPORTANT

1. This  RFP  should  be  kept  in  confidentiality  and  should
neither be copied nor distributed to the third parties.
2. The  questions  and  opinions  on  this  RFP  can  be  asked  or
suggested  to  Korea  Aerospace  Research  Institute  before
submission of the proposal.
3. This RFP should be returned to Korea Aerospace Research
Institute with bidder’s proposal.
4. This RFP shall be legal bind after the contract is awarded
unless the bidder explicitly expresses the differences from the
RFP in the compliance sheet.

November 24, 2010

Space Test Department

Korea Aerospace Research Institute

P.O.Box 113 YUSEONG

DAEJEON, 305-600, KOREA

Phone : 82(42)860-2977, FAX : 82(42)860-2234

e-mail : jjw0302@kari.re.kr

RFP.SITC.KARI.KOREA

2010. 11. 24

Space Test Dept.

PART I. Overview

Overview of the project

1.1. Korea Aerospace Research Institute (hereinafter referred to as

“KARI”) is located at Daeduk Research Complex, 140 km south of

Seoul.

1.2. KARI has a satellite assembly, integration and test center

(hereinafter referred to as “AITC”) for joint use by corporations and

research institutes for the purpose of the effective development of

domestic satellites. And basic facilities and equipment for satellite

assembly and test have been supplied, installed and used.

1.3. The purpose of this project is to change the power amplifier

system, remote control panel, relating cable lines and Bi-directional

coupler installed in control room of the large EMC chamber.

1.4. The main undertakings of the project are to perform factory and

site acceptance tests, install, guarantee quality and training, etc.

1.5. The supply should submit the business showings of the installing

the power amplifier & control system.

1.6. All the descriptions in this RFP are minimum requirements and the

supplier can suggest the better one to improve the overal

performance and cost. But in this case, the proposal should clearly

indicate the improvements from KARI’s requirements.

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2010. 11. 24

Space Test Dept.

Procedures of the project

2.1. The project shall be proceeded with five parts as follows:

2.1.1. Organization of power amplifier, external directional coupler,

control panel.

2.1.2. Factory acceptance test & safety plan verification

2.1.3. Transportation

2.1.4. Installation at KARI

2.1.5. Final acceptance test at KARI according to supplied test

procedure & previous test results

2.2. The participants shall submit the detailed work schedule for article

2.2.1. Specially, the work schedule at KARI shall be confirmed by

KARI for avoiding overlap with KARI’s other test schedules.

2.3. The format of proposal

2.3.1. The participants shall submit 6 copies of a detailed proposal

to KARI according to the format and contents satisfying the

requirements stipulated in this RFP.

2.3.2. The compliance sheet with the requirement of this RFP shall

certainly be included in the proposal.

2.3.3. The price of the system shall be broken down.

2.3.4. The participants shall make out a proposal with their own

writing.

2.3.5. The language shall be English or Korean.

2.4. The proposal shall be delivered to KARI before the due date for

submission.

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Space Test Dept.

2.5. All proposals and documents submitted shall become the property

of KARI.

Requisites of participants

3.1. The participants shall supply information about themselves.

3.2. The participants shall have experience of installation, operation,

arranging, integration of power amplifier to be installed in EMC

chamber.

Scope of the contract

4.1. The project is on turnkey base and the proposal shall include the

following;

4.1.1. Engineering work of the equipment

4.1.2. Manufacture, assembly and turnkey delivery of the equipment

4.1.3. Parts and particular instruments necessary to operate the

equipment

4.1.4. Installation work and acceptance test at factory & KARI site

4.1.5. Project management, site operation, cooperation with KARI

4.1.6. Basic principle, operation, warranty, maintenance, repair, safety

and training for the equipment

4.1.7. Relevant books and manuals

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Space Test Dept.

4.1.8. Other necessary matters required for acquiring and installing

the equipment (including checking of AITC building interface

and construction)

RFP.SITC.KARI.KOREA

2010. 11. 24

Space Test Dept.

PART II. TECHNICAL REQUIREMENTS

I. General

Power amplifier set will be installed in control room of EMC chamber in

KARI as shown in Figure 2.1 & 2.2.

Amplifier

Room

Control

Room

Amplifier

Large

EMC

chamber

Fig. 2.1 Expected amplifier set position in EMC chamber of KARI

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Space Test Dept.

Expected Amplifier Position

in control room

External

Air-conditioner

Air-conditioning system

Inside Control Room in KARI EMC chamber

Fig. 2.2 Expected amplifier set position inside control room

II. DETAIL SPECIFICATION

System concept

1.1. Modular "construction system" enables individual combinations

with almost unlimited flexibility

1.2. Platform concept al ows compact system dimensions for

customized configurations

1.3. Integral overall system design

1.4. RF adapted design

1.5. Rugged mechanical design

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2010. 11. 24

Space Test Dept.

1.6. Requried to efficient cooling

1.7. Flexible remote control : TTL, IEEE 488.2, RS-232C, USB and LAN

TCP/IP

1.8. MIL-Standard based system design in correspondence with

instrument safety regulations (VDE, CE)

Environment condition

2.1. Temperature condition

2.1.1. Ambient temperature : 0℃ ~ 45℃

2.1.2. Storage temperature: -20˚C ~ +85˚C

2.2. Relative humidity : up to 95%

2.3. Location : normal laboratory environment

2.4. Operating altitude : up to 2000m above sea level

Composition

Power amplifier set is composed by following items.

3.1. RF Power amplifier set

3.2. External directional coupler

3.3. RF Power Amplifier System Technical Specifications

RFP.SITC.KARI.KOREA

2010. 11. 24

Space Test Dept.

Electrical Specification

4.1. Power amplifier Set

Power amplifier set should have performances more than defined value

in table 4.1.

Table 4.1 Electrical specification in power amplifier

Item

Specification

Frequency Range

9kHz~220MHz

Output Power

More than 3,000W at 1dB compression point over

the operating frequency range

Gain

minimum 64 dB

Harmonics

12dBc for 2nd harmonic

18dBc for 3rd harmonic

Line Power

Less than 25 kVA

Spurious (at PN)

-50 dBc typical (excluding harmonics)

Class of Operation

A-linear

Overdrive Protection

up to +10 dBm for no damage

Input Impedance

50 Ohm nominal

Output Impedance

50 Ohm nominal

Input VSWR

<2:1 typical

Load VSWR

2:1 maximum

RF Input

N(female)

RF Output

standard on rear panel

PN >1 kW 7/16(female)

Main Supply Power

3 × 380V AC, 60Hz

RFP.SITC.KARI.KOREA

2010. 11. 24

Space Test Dept.

4.2. Directional Coupler

Directional coupler should have performances more than defined value

in table 4.2.

Table 4.2 Electrical specification in directional coupler

Item

Specification

Frequency range

9 kHz to 1GHz

Power handling capability

3,000 W

Coupling

50 dB

Insertion loss

<0.2 dB

Ripple

±1 dB

VSWR(max.)

1.15 : 1

RF interface

7/16 inches

RF Power amplifier system structure

5.1. Power stage

- D/C Bias supply power source

5.2. Control stage

- Diagnostic function

5.3. Driver module

- Amplifier stage to drive high-power

5.4. Final stage

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Space Test Dept.

- Including output combiner

RF characteristic

6.1. System parameters specified at rated output power (harmonic

distortion, spurious, power consumption etc.)

6.2. Standard operating range up to +45°C without degradation

6.3. Isolation of all individual RF transistors for optimum protection

against extreme mismatch and for providing a fault tolerant

system layout

6.4. VSWR optimized PIN-diode switches for optimum RF matching

6.5. Reliable continuous operation without degradation including

+45°C

Power supply

7.1. Distributed design supporting a fault tolerant concept allows

continued operation with degraded performance

7.2. Individual power drains for all output transistors

7.2.1. Ideal supply conditions (individual sense lines)

7.2.2. Separate current and voltage limiting

7.2.3. Protection of output transistors against extreme mismatch

7.3. Enhanced efficiency for reduced source power requirements

7.4. Optimum supply and perfect protection of amplifier stages

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Space Test Dept.

Mechanical design

8.1. RF modules milled from solid

8.1.1. RF shielding

8.1.2. heat dissipation

8.1.3. RF grounding

8.2. Massive base plates

8.2.1. thermal sources (transistors and load resistors) are directly

soldered onto massive base plates

8.3. All metal parts protected by surface passivation

8.3.1. protection from oxidation (corrosion)

8.3.2. excellent long term system stability

8.3.3. perfect system grounding

8.4. Compact and rugged mechanical design for mobile applications

(ground, seaborne and airborne)

Cooling System Design

9.1. Standard air cooling

9.1.1. special high efficiency heat sinks with double side assembling

9.1.2. highly efficient straight air flow

9.1.3. compact system layout

9.2. External Heat Exchangers convection cooling up to +50°C

9.2.1. no high capacity required for conventional air condition

9.2.2. less power consumption

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Space Test Dept.

9.2.3. compact size (compared to compression type)

9.3. Optimum system cooling to ensure high reliability and extended

lifetime

10.

Acceptance and Training

10.1. Acceptance inspection

10.1.1. Unpacking

10.1.2. Visual inspection

10.1.3. Installation of the Amplifier in EMC chamber

10.1.4. Electricity connection

10.1.5. RF cable connection

10.1.6. After attaching Dumb load which is provided by vendor,

output power check

10.1.7. Remote control line connection

10.2. Training

11.

Warranty and Maintenance supporting

11.1. Warranty for minimum 1 year

11.2. Maintenance supporting system

11.2.1. Occur technical obstacles

11.2.2. Receipt obstacles

11.2.3. Obstacle definition and type analysis

11.2.4. First visiting the site and find solution

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Space Test Dept.

11.2.5. Find detail causes

11.2.6. Domestic / Overseas repair or replace units

11.2.7. Second visiting for each type

11.2.8. Remove obstacles

11.2.9. Confirm result

11.2.10. Report and save details of obstacles and manage each case