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EBS-1

ELECTRONICS BIAS, FOR AMERITRON AMPLIFIERS

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EBS-1
$ 39.95 Each


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The Ameritron EBS-1 is an electronic bias system designed as an add-on for the AL-1200, 1500, and 82 amplifiers. It reduces heat by reducing quiescent current to very low values during periods when exciter output falls below 100mW.


The switching time of the EBS-1 series is 20 uS. The fast switching time of the EBS-1 series, plus the small bias change from near class B to normal class AB, insures bias switching does not add splatter or distortion to the transmitted signal.

The EBS-1 series also has no measurable effect on CW waveforms or signal bandwidth. The EBS-1 series has the potential to reduce receiver noise on break-in CW between break-in CW between characters, in cases where diode-noise from the PA section quiescent current is audible. The EBS-1 can be modified to the fully adjustable bias voltage system.




EBS-1 PARTS LIST
Item IDDescriptionPrice
100-1100RESISTOR, 1/4W, 5%, FILM, 10 OHM0.10
100-2100RESISTOR, 1/4W, FILM, 5%, 100 OHM0.10
100-3100RESISTOR, 1/4W F,5%, 1 K0.10
100-4100RESISTOR, 1/4 W F, 5%, 10K0.10
100-6100RESISTOR, 1/4WF, 5%, 1 M0.10
101-1100RESISTOR, 1/2W C,5%, 10 OHM0.10
103-3470RESISTOR, 1 W, METAL OX., 5%, 4.7K OHM0.12
200-1100-2BCAPACITOR, DISC, 1KV, 20%, .001 UF1.48
200-2100-1CAPACITPR, DISC, Z5U, 100V, .01 UF0.10
200-3100CAP, DISC, 25/50V,.2LS, .1 UF0.20
220-3330BCAPACITOR, MONO, 10%, Z5U, 50V, .2, .33 UF0.32
305-0005TRANSISTOR, TO-92, MPS-A050.12
305-2907TRANSITOR, SWITCHING, PNP, TO-18, 2N2907A1.00
305-3055JTRANSISTOR, NPN, TO-220FP ISOLATED,POWER, MJF-30552.13
656-0625SSCREW, PAN,PH, 6-32 X 5/8, SS0.10
656-1250SCREW, PAN,PH,6-32X1-1/4, ZINC0.10
705-0632-1NUT, HEX, SMALL PAT. 6-32 X 1/4, ZINC0.10
711-0627WASHER, LOCK, INT., #60.10
715-1725-0375SPACER, AL, #8 X .3750.48
716C-0250SPACER, AL, 1/4 HEX, 6-32 X .25 L0.28
723-1593TERMINAL, PCB POST, PUSH-ON, #1593-20.33
850-1001-1SHIPPING BOX, #1, NO PRINT2.69
862-ABC5PCB, ABC-5, R0, .062 FR4,2S,1OZ, ROHS-HASL11.80


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