Kenwood AT-130 Instruction Manual Download Page 1 | Manualshive

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Summary of Contents for AT-130

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Page 2: ...ur but not personal injury FEATURES 1 The AT 130 is a high performance HF antenna tuner and is a modification of the popular AT 200 antenna tuner The AT 130 is sma l and light and is suitable not only for opera tion in your HAM shack but also for mobile or field operation 2 The AT 130 consists of an antenna coupler an SWR meter and an antenna switch 3 The AT 130 is designed to be used on the w Ama...

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Page 4: ...ece Ground lug 23 0015 04 1 piece Cut end of cable even Using a sharp knife or razor score and remove the sheath Don t cut the braid Slide the coupling over the cable and carefully solder the connector Make certain the insulation is not melted by Interconnection Cable To connect your AT 130 with the TS 130S V or other transceiver an interconnection cable is required Refer to Figure1 1 for details ...

Page 5: ...Switch Set this switch to the band in which you are operating The BAND switch also has a THROUGH position at which the antenna is connected directly to the transceiver SWR can also be measured at the THROUGH position CAUTION DO NOT operate the band switch while transmitting Equipment damage WILL occur 5 R TUNE The R TUNE adjusts the resistive component of antenna impedance b 6 X TUNE ransmit u n i...

Page 6: ...circuit ii Using a tube power amplifier transceiver such as a TS 820 Connect the transceiver or transmitter and dummy load or antenna through the AT 130 as shown in Figure 3 3 Before adjusting the antenna coupler you should first know the antenna sys tem SWR Connect the dummy load to the ANT connector and adjust the transceiver or transmitter final tuning Then replace the dummy load with the anten...

Page 7: ...flected power Adjust the R TUNE and X TUNE controls alternately for a good minimum meter indica tion Reflected power will be close to zero as a good match is achieved Table 3 1 shows approximate control positions for coupler adjustment Table 3 1 I BAND MHz1 I R TUNE I X TUNE I p B ANT System A Dummy load TS 820 or other Transceiver f 1 I I a 1 0 0 0 A T 120 ANT First tune up on I i o o l I A Dummy...

Page 8: ...ock washers four flat washers and four screws and nuts Install the AT 130 in the Mobile Mount by four wing bolts and polyethylene washers Adjust the tilt before tightening the bolts Mounting bracket Figure 3 5 Mounting bracket Detail Figure 3 6 Adjusting the Mounting Angle ...

Page 9: ...e CAL control so reflected power is read as SWR Band Selector Switch This selects the band to which the matching circuit is tuned In the THROUGH position Idthe antenna is connected directly to the trans ceiver bypassing the coupler while still allowing SWR measurement Antenna Coupler The universal matching circuit is capable of matching 20 to 300n loads to the 50a input impedance 1 ANTENNA COUPLER...

Page 10: ... readings and Model and serial number of your transceiver anything you feel might be useful in attempting w Schematic number of the part Printed circuit diagnosis 3 Service You may return your unit for service either to the Authorized Kenwood Dealer from whom you purchased it or to Trio Kenwood A copy of the service report will be returned with the unit Please do not send sub assemblies or printed...

Page 11: ...Circuits and specificationsare subject to change for improvement gcT SWR LAMP 12V ...

Page 12: ...OMMUNlCAllONS 111 West Walnut Street Cornoton Calfornra 90220 U S A TRIO KENWOOO COMMUNICATIONS GmbH D 6 3 7 4 Stelnbach TS lndustr estrasse8 A West Germany TRIO KENWOOD ELECTRONICS N V Leuvensesteenweg 504 8 1930 Zaventem Belg um TRIO KENWOOD AUSTRALIA PTY LTD 4 E Woodcock Place Lane Cove N S W 2066 Australla 025309PRINTED I N JAPAN 850 3928 08 K 0 ...

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