AMERITRON ALS-1306 Manual Download Page 26

Page: 26 / 27

PA-A

PA-B

Filter

Rear Panel

ALC adj,
metering,
warning
lights

Control
bias,
protect

Power
connector

Current

Multi

Power F/R
Voltage
ALC

CB2

Load fault
combiner
relay x2

PAM-606

RLY

2KWF

PD8 Splitter

SWR

(2)

(6)

(8)

I Sample (4)

(16)

(8)

(6)

50V

J7B

J7A

RJ1

Band J1

RLY ALC
Fwd Ref

(8)

IF1

Mb1

(2)

FANS

(3)

(8)

RJ 45

Power

Standby

120V

(2)

Local band
select

Band LED’s

BSW2

Front Panel

(10)

(8)

RF Amp.

PA-A

PA-B

ANT

PA IN --->

Radio

PA-A

PA-B

OUT

Signal Path

(6)

(10)

RJ2

ALS 1306

Power and Control Wiring 13

Control Wiring

Power and

ALS-1306 Exihibit VIII Page 26 / 27

Summary of Contents for ALS-1306

Page 1: ...inear power amplifier applications not class C or pulse service They provide exceptionally low SSB distortion when compared to most other solid state devices Nominal driving power is 100 watts for 120...

Page 2: ...IRING 9 AMPLIFIER FRONT PANEL 10 Meters 1 and 2 10 INITIAL OPERATION 11 OPERATION 12 MARS OR CAP OPERATION 12 ALS 1306 FUNCTIONAL OVERVIEW 13 General Operation 13 Power Division 13 PAM 606 power ampli...

Page 3: ...h easy to service construction Quiet variable speed forced air cooling system Power module current and voltage meters with LED illumination Accurate PEP Forward and PEP Reflected output power metering...

Page 4: ...from the air inlets and outlets Locate the amplifier and power supply away from sensitive equipment such as microphones audio processing equipment or low level audio or radio frequency amplifiers Gene...

Page 5: ...ances such as shields allowed to enter cabinets instead of grounding at the enclosure entrance 6 improper antenna feedline building entrance lacking a properly grounded entrance panel Rather than patc...

Page 6: ...gure 1 50VDC INPUT To prevent connecting the power plug wrong the large black multi pin connector is indexed by the offset in two round pins One round index pin is closer to the outer connector edge M...

Page 7: ...Mini 8 RG 8X style cables are acceptable You should never use a tuner of any type on the amplifier input nor should you drive this amplifier with over 100 watts peak envelope power Never use a non am...

Page 8: ...ents Exceptional filtering and RFI suppression eliminates receiver birdies common to most SMPS Compact light weight design Power Supply Location Locate the power supply in a convenient ventilated area...

Page 9: ...Interconnection Wiring Interconnections Figure 2 ALS 1306 Exihibit VIII Page 9 27...

Page 10: ...d then restarting the amplifier The right hand meter s left scale arc fig 2 ref 2A continuously indicates forward peak envelope power PEP directly in kilowatts The scale is 100 watts or 0 1 kW per met...

Page 11: ...the BAND switch fig 2 ref 3 to a band where a good 50 ohm high power load is connected 7 Change the meter switch ref 6 to REF In this position the multimeter indicates reflected power 8 With no modul...

Page 12: ...10 28 0 30 0 MHz Amplifier automatically disables below 28 MHz 6 50 0 54 0 MHz Frequency Limits Table 1 Caution This amplifier has an FCC mandated automatic disconnect and other features preventing 27...

Page 13: ...ts A minimum of 16 dB isolation occurs regardless of input port termination The attenuators also work in concert with the magic T to provide a 50 ohm input termination for each PAM The 50 ohm terminat...

Page 14: ...6 This combiner isolates the two PAM 606 inputs while maintaining 50 ohm impedance Two 25 watt 200 ohm power resistors R7 and R8 dissipate power level or phase errors between the PAM inputs Voltage st...

Page 15: ...ible with most modern amateur transceivers such as Elecraft ICOM Ten Tec and Yaesu Band data from the appropriate source is decoded The proper band relays are selected using decoded band information P...

Page 16: ...relay sequencing It is the hub for nearly all functions including external interfaces power metering and 12 volt busses MB1 The MB1 is located behind the front panel below the meters It contains peak...

Page 17: ...for RF output switching and the other for RF input switching T R relays activate with a low on terminals K key J1 3 and RJ1 7 The CB2 board contains the relay timing controls SWR The SWR board is on...

Page 18: ...8T C14 270 C15 270 C13 270 C16 270 C20 180 C17 180 C19 180 C18 180 L10 6 5T L9 6 5T RL10 RL9 C24 C21 C23 C22 L12 5 5 L11 5 5 RLY12 RLY11 C28 C25 C27 C26 H1 RADIO Ant Rly Board L14 RLY14 L13 RLY13 RL2...

Page 19: ...QC 3QD 6QG 7QH 8GND 9 Q H 11 SCK 12 RCK 14 SER 15 QA 16 VCC 4QE 5QF 13 G 10 SCLR U2 74HC595 LED9 10 LED10 6 LED8 12 LED7 15 LED6 17 LED5 20 LED4 30 LED3 40 LED2 80 LED1 160 Remote N C 12 6 3 9 SW1 R11...

Page 20: ...CB2 control board Figure 6A CB2 ALS 1306 Exihibit VIII Page 20 27 ALS 1306 Exihibit VIII Page 20 27...

Page 21: ...CB2 control board Figure 6B CB2 ALS 1306 Exihibit VIII Page 21 27 ALS 1306 Exihibit VIII Page 21 27...

Page 22: ...ED2 Q1 2N3904 C15 1 Q2 2N3904 D1 LED3 D6 1N916 D2 1N916 C16 1 D4 LED4 C12 1 C7 1 U2B LM358 U1A LM324 R39 10k 10 C4 2 2uF C3 2 2 U1C U2A U1D U1B R16 1m 40 R15 1m 40 C17 1 C13 1 R C V1 V2 R C A V1 A V2...

Page 23: ...F Q4 Q3 C9 0 33uF C24 0 001uF C45 Not used C23 0 001uF Q2 C6 0 33uF C43 Not used C22 0 001uF Q1 C3 0 33uF C44 Not used C39 Not used C40 Not used C4 0 1uF C41 Not used C42 Not used J1 Pin1 C16 120pF PA...

Page 24: ...8db splitter T1 T2 In Out Out R7 100 R5 27 R4 200 R6 200 R3 200 R2 27 R1 200 RJ45 PD8 power divider Figure 9 RJ45 interface Figure 10 PD8 ALS 1306 Exihibit VIII Page 24 27...

Page 25: ...1uF 50V C6 01uF 1kV C4 150pF 1kV C3 150pF 500V C7 3 12 pF Trim 1kV C2 10pF L1 1000uH T1 Pickup Toroid 3kV C1 33pf 2W mox R4 68 1 4W R3 1 3k 1 4W R2 1 3k 1 4W R1 3 3k RLY antenna relay Figure 11 SWR di...

Page 26: ...R 2 6 8 I Sample 4 16 8 8 6 6 50V 50V J4 J1 J2 J3 J7B J7A RJ1 Band J1 J2 J2 J3 J1 RLY ALC Fwd Ref 8 IF1 Mb1 2 FANS J6 3 8 8 J5 RJ 45 Power Standby Sw 120V 2 Local band select Band LED s BSW2 J1 J2 Sw...

Page 27: ...5 19 CB2 control board Figure 6A 20 CB2 control board Figure 6B 21 MB1 combiner board Figure 7 22 PAM 606 power amplifier module Figure 8 23 PD8 power divider Figure 9 24 RJ45 interface Figure 10 24 R...

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