Government Publications
- Instruction
book for Operation and Maintenance of Radio Transmitter BC-375E and
associated equipment, Army Air Forces Technical Order No. 08-10-139,
Jan 5, 1943
- The bible for operating and maintaining the BC-375E
transmitter. (See reference 33
for an electronic version available on-line)
- Technical
Manual, Radio Transmitter BC-191-A, BC-191-B, BC-191-C, BC-191-D,
BC-191-E and BC-AA-191, War Department, TM 11-800, Nov 12, 1942
- The bible
for operating and maintaining the BC-191 transmitter.
- Schematic
Manual for Surplus Electronic Equipment, Volume 1, Department
of Commerce, Office of Technical Services, FB No. 98487
- Schematics for BC-191 transmitter and transmitter/receiver
combos; SCR-177-B (with BC-312 & BC-314 receiver), SCR-188-A
(with BC-342 receiver) and SCR-193 (with BC-312 receiver)
Amateur Radio Publications
-
Conversion Diagrams, R & M Radio Company, Radio Amateur and Industrial Electronic Supplies, Arlington, Virginia
- Contains an interesting article on using the BC-375E driven by SCR-274N components.
-
Surplus Schematic Handbook, by Kenneth B. Grayson, W2HDM, December 1959, Cowan Publishing Corp
- BC-375E Schematic only
-
Surplus Conversion Handbook, by Tom Kneitel, K3FLL/WB2AAI, 1964, Cowan Publishing Corp
- Not very useful, contains 2 page disassembly of BC-375E and re-use article.
-
Surplus Radio Conversion Manual, Volume 2 by R.C. Evenson & O.R. Beach, 1948, Editors & Engineers Ltd.
- Useful article on operation on ham bands (including conversion to 20 meters of the TU-10B)
and driving with SCR-274N transmitter for stability and increased power output.
-
Surplus Radio Conversion Manual, Volume 3 by William Orr, 1960, Published by Editors and Engineers Ltd.
- Not very useful, just a gut and convert to modulator article.
-
The Radio Handbook, 11th edition, 1947, Published by Editors and Engineers Ltd.
- Not very useful, another just gut and convert to modulator article.
-
The Radio Handbook, 12th edition, 1949, Published by Editors and Engineers Ltd.
- Not very useful, article on re-using the BC-375E antenna relay and heavy duty ceramic switch.
Amateur Radio Magazines
The following information was taken from Roy E. Pafenbergs, W4WKM Index to Surplus and lists all BC-375E related articles from QST, CQ,
73 Magazine, Radio Electronics and Electronics World published between 1945 through 1961. Comments are Pafenberg's, not mine.
- A
Bandswitching, Low Cost 400 Watt Linear, Howard L. Morrison, W7ESM,
CQ magazine, May 1961
- Liberal
use of the BC-375E and Command Set transmitter components keeps this
amplifier in the budget class.
- 150 Watts on CW for 80-40 and 20,
Norman S. Howard, W1JBV, CQ magazine, May 1960
- This commercial appearing transmitter makes extensive
use of BC-375E parts.
- A 6 Input Coaxial Switch, Ken
Judge Glanzer, K7GCO, CQ magazine, July 1959
- BC-375 Tuning Unit tap switch is the heart of this
heavy duty antenna switch.
- Table Top Linear, N.R. McLaughlin,
W3LNT/KH6, CQ magazine, January 1959
- This 900 watt PEP amplifier uses BC-375E components
and five 837 tubes.
- High Power Mobile, Joseph Marshall,
W3SNA, CQ magazine, May 1957
- BC-375E parts and fan-belt driven PE-73 team up for
this high power mobile operation.
- The O-T Transmitter, G.L. Countryman,
W3HH, CQ magazine, September 1955
- Extensive use of BC-375E tuning unit parts is made
in the medium power triode final.
- My Final Exciter, Carlton
G. Rich, W8ZYG, CQ magazine, December 1954
- This Beat Frequency Exciter uses a BC-375E tuning
unit as a foundation and enclosure.
- A Bandswitching 813 Rig with Pi-Section
Output, Robert M.Resconsin, W1TRF, QST magazine, June 1954
- An extremely popular transmitter which uses many
Bc-375E components.
- Capacitance of BC-375-E Tuning Condensers,
W.E. McCormick, W5KMA, QST magazine, September 1951
- Handy identification chart for these unmarked surplus
units.
- A VHF Frequency Meter, David
Birnbaum, W3PGP, QST magazine, October 1950
- BC-375 tuning unit serves as the enclosure for a
versatile instrument.
- Antenna Tuner from the BC-375E,
R.J. Rodenbo, W8YPG, CQ magazine, February 1950
- How to use the BC-375E antenna coupling circuit and components
as a universal antenna matching unit.
- Low Drift Condensers from the BC-375E,
R.V.McGraw, W2LYH, QST magazine, October 1949
- A source of low temperature coefficient units for
your VFO.
- Antenna Switch from the BC-375E,
C. Vernon Chambers, W1JEQ, QST magazine, August 1949
- Heavy duty unit serves as the station antenna switch.
- A New Low-Cost Transmitter,
Carlton G. Rich, W8ZYG, Radio Electronics, June 1949
- 75 watt VFO rig covers 80-40 and 20 meters. Extensive
use is made of BC-375E parts.
- The BC-375E strips for Action,
Jim Kirk, W6DEG, CQ magazine, May 1949
- This reasonable conversion of the BC-375E uses an
826 in the final.
- A Modern Variable Frequency Oscillator,
Robert C. Merryman, W3FBB, Radio & Television News, December 1948
- A modern VFO unit built around the TU-6B tuning unit.
- Ten Meter Final from TU-10B,
L.W.May, W5AJG, Radio Electronics, November 1948
- A simple, 200 watt final which uses this surplus
tuning unit as the foundation.
- A Surplus-Parts Bandswitching Transmitter,
C. Vernon Chambers, W1JEQ, QST magazine, September and October 1948
- Construction details of a 7 band, 150 watt transmitter
from surplus, BC-375E tuning unit parts are used extensively.
- Transmitter-Receiver from Surplus
Tuner, C.E. Clark, W1KLS, Radio News, November 1947
- A TU-6B is used to house this 1 tube transmitter
and 2 tube receiver.
- A Variable Frequency Oscillator,
Robert W. Field, W4KAP, Radio News, September 1947
- A 3.5 to 4.0 Mhz VFO, of good construction, using
the TU-5B tuning unit.
- An Inexpensive Crystal Substitute,
Harold W. Harrison, W5DFZ, QST magazine, July 1947
- Construction details on a VFO using a BC-375E tuning
unit.
- What about the BC-375E ?, Richard
M. Smith, W1FTX, QST magazine, December 1946
- Circuits details, discussion and conversion data.
Original schematic is not provide
Other References
- "Electric
Radio in Uniform, The BC-375", Electric Radio #13, May 1990, page 4
- "Taming the
BC-375" Electric Radio #109, May 1998, page 6
Electric Radio
PO Box 582
Pine, Colorado
80470-0582
http://www.ermag.com/index.cfm
On-line Resources
- BC-375E
transmitter manual is available at KG7BZ's web site: BC-375E manual.
- Manual for BC-224 F and BC-348 H-K-L-R
receiver commonly used with the BC-191 and BC-375 transmitters is
available at N7JP's web site:
BC-224-F and BC-348 H-K-L-R manual
- Manual for the BC-348 J-N-Q receiver
commonly used with the BC-375 transmitter is available at N7JP's web site:
BC-348 J-N-Q manual
- Interesting article on BC-224 and BC-348
receivers by Ken Corwin is available at Ken Corwin's BC-224
and BC-348 article
- Manual for the ART-13 transmitter, successor
of the BC-375E, is available at the N7JP's web site: ART-13
Manual
For more BC-375 information, click on the following links.