CONTENTS
TRIODE CONTROL
DS-1
DS-1 PS
HV-2
HV-MULTIPLIER
TU-6B
MISC PARTS FOR SALE
GALLERY INDEX
UPDATES
USEFUL LINKS
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TU-6B

NINE BAND TUNED INPUT BOARD

(YES IT'S BACK)

THE TU-6B TUNED INPUT BOARD IS DESIGNED FOR AMATEUR GROUNDED GRID LINEAR AMPLIFIERS  CONSISTING OF SIX RELAY SELECTABLE PI NETWORKS FOR ALL HF AMATEUR BANDS BELOW 30 MHZ INCLUDING WARC BANDS.  THE MAXIMUM POWER HANDLING CAPABILITY OF THE BOARD IS  200 WATTS SSB OR 100 WATTS CW.    COMPLETE COMPONENT DATA CHARTS ARE INCLUDED FOR INPUT IMPEDANCES OF 25, 50, 75, AND 100 OHMS, Q=2.  DUE TO THE LARGE NUMBER OF POSSIBLE VALUES THE SILVER MICA CAPACITORS ARE NOT INCLUDED.

FEATURES INCLUDE:

SMALL BOARD SIZE, 3.25" X 4.25" X 1"  WDH

FULL GROUND PLANE TWO SIDED FR-4 BOARD 

COMPLETE COMPONENT DATA CHARTS TO MINIMIZE SETUP TIME

SOLD AS COMPLETE KIT LESS SILVER MICA CAPS AND ENAMELED WIRE

RELAY VOLTAGE AND CURRENT REQUIREMENTS, 5.0 @ 180ma PER PAIR

SIMPLIFIES INPUT BAND SWITCH LOCATION

INCLUDES COMPLETE ASSEMBLY INSTRUCTIONS WITH SCHEMATIC AND PARTS LIST

.100" HEADER FOR RELAY CONTROL CONNECTION
[MANUAL}

THE FOLLOWING IS A LIST OF DATA FOR SOME OF THE MORE POPULAR TRIODES INCLUDING INPUT DRIVE IMPEDANCE FOR THE STATED OPERATING PARAMETERS.  THE FIGURES LISTED ARE FOR ONE TUBE.

 
TUBE TYPE PLATE VOLTAGE FIL
V/A
ZSAC
MAX SIGNAL PLATE CURRENT MAX SIGNAL GRID CURRENT DRIVE IMPEDANCE RESONANT LOAD IMPEDANCE MAX
SIGNAL
DRIVE POWER
PLATE INPUT, PEP USEFUL POWER OUTPUT AVERAGE PLATE DISS APPROX 3RD ORDER IMD(db)
811A 1700 6.3/4 30 160 28 320 5200 15 270 175 85 -28
572B 2400 6.3/4
20 250 45 215 4500 30 600 350 160 -28
813 2500 10/5 30 200 50 270 7000 25 500 350 150 -33
3-400Z
8163
2500 5/14.5 75 400 142 120 3450 30 1000 600 400 -35
4-400A 3000 5/14.5 70 330 106 140 5600 40 990 572 390 -30
3CX400A7
8874
2000 6.3/3 22 500 30 55 2140 26 1000 587 400 -35
3CX400U7
8961
2000 6.3/3.3 30 400 -10 60 2750 20 800 320 400 -
3-500Z 3000 5/14.5 160 370 115 115 5000 30 1100 750 350 -30
3CX800A7 2200 13.5/1.5 15 500 36 54 2700 23 1100 750 350 -36
3-1000Z
8164
3500 7.5/21 200 750 245 65 2600 80 2600 1770 830 -30
4-1000A
8166
4000 7.5/21 96 675 200 105 2450 105 2700 1870 730 -34
3CX1200A7 4000 7.5/21.3 240 800 250 85 2780 110 3200 2055 1145 -33
8938 3500 5/10.5 - 970 40 45 2200 50 3395 2030 1500 -44
3CX1500A7
8877
3500 5/10.5 180 1000 75 51 2000 64 3500 2075 1425 -38
3CX5000A7 5000 10/17.5 400 1450 35 33 1800 160 7250 4000 3250 -35
3CPX5000A7
YC-156
5500 15/15 500 - - 23            

 

 

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