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  b. Rectifier Power unit PP-86(*)/TXC-1.
5. Technical Characteristics
Number of tubes ......... 7.
a. Facsimile Transceiver TT-1(*)/TXC-1.
Input requirements:
Power source ........ 100 to 130 v, 50 to 65 cps;
Type of equipment. . . . . Rotating drum type.
250 w; at 115 v.
Functions. . . . . . .. . . . . Transmitting or receiving
Signal source ........ 1,800 cps from fork oscil-
signals.
lator.
Type of copy . . . . . . . . . . . . . Page.
Output:
Maximum size of copy . . . 12 by 18 11/16 inches.
Unregulated plate sup- 450 v at 270 ma.
ply.
Size of scanning spot . . . . . . 1/96 inch.
Filament supply ....... 6.5 V, ac at 6.25 amperes.
Type of recording. . . . . . . Direct, or photographic posi-
Start motor supply . .. 115 v, ac at .5 ampere.
tive or negative.
Exciter lamp supply ... Regulated 6 v, 1,800 cps at
Drum diameter . . . . . . 6 inches.
2.74 amperes, ±.1 v.
Speed of drum:
Dust removal blower... 115 v, 60 cps, 3 amperes.
Rotation .. . . . . . . . . . 1 revolution per second in
the -1, -1A, -1B, and -1C
models; ½ or 1 revolution
When packaged for export shipment, the com-
per second in the -1D,
ponents of Facsimile Set AN/TXC-1(*) are placed
-1Ei and -1F models.
in water-vaporproofed containers and are packed
Lateral movement . . . . . 12 inches in 20 minutes in 1,
in four wooden crates. Typical packaging pro-
-1A,-1B,and-1C models;
cedure of Facsimile Transceiver TT-1 (*)/TXC-1
12 inches in 20 minutes or
is shown in figure 7. The size, weight, and volume
40 minutes in -1D, -1E,
of each crate are indicated in the following chart:
and-1F models.
Note. Items may be packaged in a manner different
Scanning lines per inch. 96.
from that shown, depending on the supply channel.
Index of cooperation.. . 576.
Number of tubes . . . ... 18 in -1, -1A, -1B, and -1C
Weight
Box
Dimensions
Volume
models; 19 in -1D, -1E,
Contents
No.
(in.)
(lb)
(cu ft)
and -1F models.
Audio carrier frequency. 1,800 cps.
Facsimile
1 of 4
Trans-
40½ x 15½ x
8.1
218
Type of modulation....... Am.
ceiver TT-1(*)/
22½.
TXC-1 and spare
Frequency bandwidth ..... 1,800 cps maximum.
parts.
Frequency band limits .. .. 900 to 2,700 cps.
R e c t i f i e r Power
2 of 4
17½ x 15 x
2.3
89
Drum speed control . . . . . Synchronous motor con-
Unit PP-86(*)/
15¼.
trolled by 1,800-cps fork
TXC-1 and spare
oscillator, or 900-cps mul-
parts.
tivibrator (or external au-
339
Photographic Equip-
3 of 4
40 x 26 x 26
15.6
dio source).
ment PH-549/
TXC-1.
Signals levels:
4 of 4
Table MT-252(*)/
40 x 26 x 41
11.5
137
Input, (for reception... -45 to 0 dbm.
TXC-1.
Output (for transmis- 0 to +26 dbm.
sion).
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