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AMI 2
===============================_==K============~==========================
AM12 Sub Group not available for new designs DD 1977
AM14/2
AM14/2A
AM14/3
AM14/3A
AMI4/4
AM14/5
AM14/6
AM14/7
AM14/8
AM14/9
AM14/l0
AM14/ll
AM14/l2
AM14 RADIO FREQUENCY AMPLIFIERS
IF Amplifier used in UNl/4l.
OBSOLESCENT.
BXl/4.
DD 1963.
Slightly modified AM14/2 used on UNlM/56.
OBSOLESCENT.
DD 1965.
RF Power Amplifier used in
equipment. Output: 10 watts.
Frequency range: 87.5MHz to
DD 1968. DD Spec 5.79. ACO.
VHF/FM translators and drive
CHl/28. Mounts on PN3/23.
97MHz, bandwidth: tlOOkHz.
OBSOLESCENT.
Modified AM14/3 to provide adequate power at frequencies
above 92.5MHz. OBSOLESCENT.
RF Amplifier used in UNl/40.
OBSOLESCENT.
BXl/4.
DD 1963. ACO.
Similar to AM14/3 but output reduced to 5 watts. DD 1963.
ACO. OBSOLETE.
RF Amplifier used in EPl/2. DD 1965. OBSOLESCENT.
RF Amplifier, l25MHz-225MHz. Used for alignment of
OS2/5ll. Printed board in box. l15mm x 90mm x 50mm.
DD 1967. OBSOLESCENT.
RF Amplifier, 200W, for Band 11 VHF/RF transmitters.
Comprises 2 AM14/9 with splitting and combining filters
FLl/38. Screened boxes attached to 483mm bay framework.
DD 1970. CANCELLED.
RF Amplifier, 200W, for Band 11 VHF/FM transmitters.
Comprises 4 AM14/10 with splitting and combining filters
FL6/20, FL5/4. CH3/1H. Superseded by AM14/32. DD 1970.
DDMI 5.192. EDI. OBSOLESCENT.
RF Amplifier, 50W, for Band 11 VHF/FM transmitters.
Normally combined in groups of four to form AM14/9.
Screened box with heat sink attached. Superseded by
AM14/30. DD 1970. DD Spec 5.199. EDI. OBSOLESCENT.
RF Amplifier, 25W, used in Band 11
Part of EP7M/9. CHl/12B. DD 1970.
VHF/FM transmitters.
CANCELLED.
Wideband Amplifier,
power between lmW
unbalanced. Diecast
51mm.
DD 1970.
OBSOLESCENT.
4MHz-27MHz. Output: 2W for any input
and
100mW.
Z
in
and
Z out:
75~
box with heat sink, 203mm x 102mm x
DD Spec 5.187.
DDTM 5.65(70).

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