AM4
AM4/506A
AM4/507
AM4/508
AM4/509
AM4/510
AM4 / 511
AM4/512
AM4/513
AM4/514
AM4/515A
AM4/516A
AM4/517
AM4/518
- 18 -
OBSOLESCENT.
As AM4/506
DD Spec 8.55.
but on chassis
OBSOLESCENT.
CH1/12A.
DD 1961.
Supersedes AM4/505. CH1/12A chassis. Printed wiring.
Mains operated. W.V.G.: OdB, Z in: high. Three 75~
outputs at standard level from 75~ source. Transistors:
AFZ12, 2N697, 2N696, 2 OC84, OC28. Superseded by AM4/519.
DD 1961. DD Spec 8.62. DDHB 8.118. ACO. OBSOLESCENT.
Video Distribution Amplifier, 6dB suitable for N.T.S.C.
colour coded signals. Replaces AM4/508, CH1/12A. Mains
operated. Gain: 6dB, Z in: high. Three outputs at
standard level into 75~ from 75~ source. Superseded by
AM4/519.
DD 1962.
DD Spec 8.92.
DDHB 8.123.
ACO.
OBSOLESCENT.
Replaces AM4/507. Suitable for NTSC colour coded signals.
Mains operated.
Gain: OdB.
Z in: high.
Outputs:
three
standard level into 75~ from 75~ source. CH1/12A.
Superseded
by
AM4/5l9.
DD 1962.
DD Spec 8.94.
DDHB 8.132. ACO. OBSOLESCENT.
Video Distribution Amplifier, 6dB, RGB. Identical with
AM4/511 except for closer tolerances on output level
matching for use where colour coded signals are in the
Red, Green and Blue (RGB) form. Superseded by AM4/519.
DD 1962. DD Spec 8.92. DDHB 8.123. ACO. OBSOLESCENT.
Similar to AM4/5l2 but with closer
level matching for use where colour
RGB form. Superseded by AM4/5l9. DD
DDHB 8.132. ACO. OBSOLESCENT.
tolerances on output
coded signals are in
1962. DD Spec 8.94.
Test-signal Distribution Amplifier, provides 20 outputs at
+3dB from zero-level input with accurate matching of
levels. 75~ impedances. CH1/12B. DD 1972. ACO.
OBSOLESCENT.
Output Pulse Amplifier used in EP1/4.
WITHDRAWN .
DD 1963.
ACO.
Amplifier, Distribution, OdB.
provides 6 outputs at the same
31. Superseded by AM4/5l9.
DDHB 8.212. ACO. OBSOLESCENT.
From a IV video input it
level. CH1/12A. Pegs 5,
DD 1966. DD Spec 8.223.
Amplifier, Distribution, OdB, RGB. Identical with AM4/5l7
except for closer tolerances on output resistances for
Similar
to
AM4/507
but
with 6dB
gain.
Superseded
by
AM4/519.
 
DD 1961.
DD Spec
8.63.
DDHB 8.118.
OBSOLESCENT.
 
 
 
 
 
 
 
 
Part
of
GE1/504.
DD
1961.
DDHB
10.2.
WITHDRAWN.
 
Part
of
GE1/504.
DD
1962.
DDHB
10.2.
WITHDRAWN.
 

18