Valve Data
68
V8
195(5)
85(6)
0.95(2)
6BA6
EF93
37.5 Mc/s
amplifier
V9
168(7)
135(9)
0.86(1)
6688
E180F
Second mixer
V10
205(5)
108(6)
2.06(2)
6BA6
EF93
37.5 Mc/s
amplifier
V11
155(5)
110(6)
1.95(2)
6AK5W
M8100
Second v.f.o.
amplifier
V12
100(6)
-
-
12AT7
ECC81
Second v.f.o.
195(1)
-
44(3)
V13
225(5)
90(6)
2.0(2)
6BE6W
Calibrator
V14
175(5)
70(6)
0.92(7)
6BA6
EF93
First I.F.
amplifier
V15
220(5)
110(6)
6.5(7)
6BA6
EF93
Calibrator
V16
180(5)
88(6)
1.46(7)
6BA6
EF93
Second I.F.
amplifier
V17
150(5)
92(6)
1.36(7)
6BA6
EF93
I.F. output
V18
-
-
27.0(1)
6AL5
EB91
A.V.C. and T.C.
V19
155(5)
110(6)
-
6AK5W
M8100
B.F.O.
V20
V21
-
-
-
6AL5
EB91
Detector and
noise limiter
V22
200(5)
198(6)
8.5(2)
6AQ5
Audio output
V23
205(1)
-
2.2(3)
12AT7
ECC81
Audio amplifier
104(6)
-
1.5(8)
and A.F. output
V24
-
-
-
EA76
V25
165(7)
135(9)
0.72(1)
6688
E180F
Third mixer
V26
185(5)
135(6)
0.72(2)
6BE6W
Fourth mixer
V27
140(5)
80(6)
1.45(2)
6AK5W
M8100
1.7 Mc/s crystal
oscillator/
amplifier
Summary of Contents for RA-117
Page 1: ...Racal RA 117 Radio Receiver...
Page 24: ...Detailed Circuit Description 24 at maximum is the correct calibration maintained...
Page 32: ...32...
Page 70: ...Illustrations 70...
Page 71: ...Illustrations 71...
Page 72: ...Illustrations 72...
Page 73: ...Illustrations 73...
Page 74: ...Illustrations 74...
Page 75: ...Illustrations 75...
Page 76: ...Illustrations 76...
Page 77: ...Illustrations 77...
Page 78: ...Illustrations 78...
Page 79: ...Illustrations 79...
Page 80: ...Illustrations 80...
Page 81: ...Illustrations 81...