Yaesu atas 120 schematic

ACTIVE TUNING ANTENNA SYSTEM

ATAS-120

Technical Supplement

©2002 VERTEX STANDARD CO., LTD. Printed in Japan.

VERTEX STANDARD CO., LTD.

4-8-8 Nakameguro, Meguro-Ku, Tokyo 153-8644, Japan

VERTEX STANDARD

US Headquarters

10900 Walker Street, Cypress, CA 90630, U.S.A.

International Division

8350 N.W. 52nd Terrace, Suite 201, Miami, FL 33166, U.S.A.

YAESU EUROPE B.V.

P.O. Box 75525, 1118 ZN Schiphol, The Netherlands

YAESU UK LTD.

Unit 12, Sun Valley Business Park, Winnall Close
Winchester, Hampshire, SO23 0LB, U.K.

VERTEX STANDARD HK LTD.

Unit 5, 20/F., Seaview Centre, 139-141 Hoi Bun Road,
Kwun Tong, Kowloon, Hong Kong

Specifications

Frequency Range: 7/14/21/28/50/144/430 MHz Amateur Bands
Height (Approx.): 1.4 ~ 1.6 meters (4.59 ~ 5.24 feet)
Weight (Approx.): 900 g (1.98 lbs.)
Input Impedance: 50-ohm
Max. Input Power: 120 Watts (SSB)
Matched SWR: Less than 2.0:1 (with proper counterpoise)

(Specifications subject to change without notice or obligation)

Circuit Diagram

RA0084400
ROT ASS’Y

S8002037
COVER ASS’Y

RA0437800 LABEL (ATAS-120)

RA0432500
RUBBER RING

RA0431500
TUBE

RA0432500
RUBBER RING

1

Parts Layout

2SA1602A (MF)

(Q1001)

M5278L05M 600C

(Q1002)

Side A

Side B

2SB1274R

(Q1003)

2SC4154 (LE)

(Q1004)

NJM2903M

(Q1005)

BA6285FS-E2

(Q1006)

2