AM4/s
AM4/6
AM4/7
AM4/8
AM4/8A
AM4/9
AM4/s01X
AM4/s02
AM4/s03
AM4/s04
AM4/s0s
AM4/506
- 17 -
~4
Modified C/9 used to feed recording a meter at
end of TE1/4. Mounts on PA1/23. Gain: 47dB, Z
Z
out:
1120~.
Valves:
2
CV455.
Replaces
DD 1962. DD Spec 2.192. TI.L.s. OBSOLESCENT.
receiving
in: 600~.
AM15/1.
Distribution Amplifier used
recorders etc. Unity gain.
Transistors: 2 OC20l. DD 1965.
in
Z
ACO.
AM1/6 to feed tape
out: 30~. CHl/18C.
WITHDRAWN.
Cue Programme Distribution Amplifier used in Type-D studio
equipment for communication purposes only. Replaced by
AM4/8A. DD 1967. DD Spec 3.467. OBSOLESCENT.
Cue Programme Distribution Amplifier used in Type-D studio
equipment for communication purposes only. Replaces AM4/7
and incorporates functions of AM1/22. Normally feeds one
or two cue/control lines
at
+4dB.
Z
in: 18k~.
Z out:
36~.
Printed
board
14smm
x
s5mm.
DD 1969.
DD Spec 3.479. DDTM 3.101. ACO. OBSOLESCENT.
As AM4/8 but without incorporation of the functions of
AMl/22. Replacement for AM4/7. DD 1969. DD Spec 3.479.
DDTM 3.101. OBSOLESCENT.
Distribution Amplifier providing 15 buffered zero level
outputs from one zero level input. CHl/18F. DD 1970.
WITHDRAWN.
Wideband mains operated vision signal distribution
amplifier with provision for adding sync and pedestal
waveforms. Three 7s~ outputs. Overall gain to.ldB. Z
in: high. Z out: 7s~. DD 1956. DD Spec 8.49.
OBSOLESCENT.
Pulse Distribution Amplifier on CH1/3 chassis for
distribution of standard 2V negative-going pulses. Mains
operated. Input: Standard pulses up to 2.5V, high
impedance. Outputs: 4 up to 2.5V at 7s~. DD 1957.
DD Spec 8.20. DDHB 8.63. OBSOLESCENT.
Video Amplifier on plug-in chassis CH1/2. Mains operated.
Inputs: (a) Standard level video input, high impedance,
(b) Standard level sync input, high impedance. Outputs:
three, each having 75~ impedance for zero-level working.
DD 1957. DD Spec 8.19. DDHB 8.61. OBSOLESCENT.
As AM4/s03 but gain increased from unity to 3dB. DD 1957.
DD Spec 8.24. DDHB 8.65. OBSOLESCENT.
Video Distribution Amplifier used for monitoring. CH1/11
chassis with printed wiring. Three 75~ outputs. Working
voltage gain: OdB. Z in: l5k~. DD 1959. DD Spec 8.41.
DDHB 8.85. OBSOLESCENT.
Pulse Distribution Amplifier used to distribute standard
2V negative-going pulses. 4 outputs. Voltage gain: 6dB.
Z in: 25k~. Z out: 7s~-78~. Mains operated. CH1/11.
Printed wiring. DD 1960. DD Spec 8.55. DDHB 8.98. ACO.

17