AN/FCC-67 Family Frequency Division Multiplex Equipment

 

REFERENCE DATA.

a. CHANNEL CAPACITY:
    (l) AN/FCC-67 16 duplex.
    (2) AN/FCC-68 12 duplex.
    (3) AN/FCC-69 16 receive-only.
    (4) AN/FCC-70 16 send-only.
    (5) AN/FCC-71 8 receive-only.
    (6) AN/FCC-72 8 send-only.
b. MODULATION
    Frequency shift ±42. 5Hz (±85Hz for channels 9 through 13 on AN/FCC-68).
c. CHANNEL SEPARATION
    170Hz (425Hz for channels 9 through 13 on AN/FCC-68).
d. SIGNALING RATE
     90 bauds (200 bauds for channels 9 thru 13 on AN/FCC-68) maximum.

 e. DELAY EQUALIZATION
     7 milliseconds, adjustable.
f. FREQUENCY STABILITY
     5 per cent or less.
h. PHASE DISPLACEMENT
    0.15 millisecond maximum, channel to channel.
i. LOOP OPTIONS (send and receive): Floating or grounded:
    (l) Neutral 60ma, + 130-volts.
    (2) Polar 20ma, ± 60-volts.
    (3) Polar ±6-volts.
j. INTERNAL BATTERY (receive) Floating or grounded:
    (l) Neutral + 120-volts, ±l0 per cent.
   (2) Polar ±60-volts, ±5 per cent.
   (3) Polar ±6-volts, ±5 per cent.
   (4) Ripple l per cent maximum, peak to peak.
fcc67-11.jpg (183271 bytes) fcc67-12.jpg (191238 bytes) fcc67-01.jpg (1367259 bytes) fcc67-02.jpg (1248400 bytes)
Tone Keyer Module
fcc67-05.jpg (2393002 bytes)

Tone Converter Module
fcc67-06.jpg (2263858 bytes)

 Loop Keyer Module
fcc67-07.jpg (2306325 bytes)

Signal Distribution Panel
fcc67-08.jpg (5183552 bytes)

 fcc67-03.jpg (1250289 bytes) fcc67-04.jpg (1234975 bytes)
Channel Selector Panel
fcc67-09.jpg (1829551 bytes)		 Test Panel
fcc67-10.jpg (2893325 bytes)		 == ==