ʳ ʳ ʳ ʳ ʳ ʳ ʳ ʳ ʽʽʳˣ˥ˢ˗˨˖˧ʳ˦ˣ˘˖˜˙˜˖˔˧˜ˢˡʳʽʽʳ ʳ ʳ ʳ ʳ ʳ ʳ ʳ
ʳ
ʳ ʳ ʳ ʳ ʳ ʳ ˠ˴˹˴˶˸
ˍˍʳ ʳ ˗˔˧ʳ ʳ ʳ ʳʳʳʳʳʳʳʳʳʳʳʳʳˠ˷˸˿ˍ
ʳ ʳ ˧ˣˀˈ˃˄˚ʳ ʳ ʳ ʳ ʳ ʳ ʳ ʳ ʳ ʳ ʳ ʳ ʳ ʳ ʳ ʳ ʳ ʳ ʳ ʳ ʳ ʳ ˗˸˶˼˼ˍ
ʳ ʳ ˔ˠ˂˙ˠʳ˦˧˘˥˘ˢʳ˥˔˗˜ˢʳʹʳ˖˗ʳ˂ˠˣˆʳˣ˟˔ˬ˘˥ʳ ʳ
ʳ ʳ ʳ ʳ ʳ ʳ ˖˸’ʳˡ˴˸ˍʳʳʳʳʳʳʳ
ʳ ˧˸ʳ˖˷˼˼ˍ
ʳ ʳ ʳ ˄ˁʳ˦˿ʳ ʳ ˩˿˴˺˸ˍʳ˅
ˆ˃ʳ˩ʳ˔˖ʳ ʳ ʳ
ˈ˃ʳ˛ʳ˄
˅˩ʳ˗˖ʳ ʳ ʳ ʳ ʳ ʳ ˅ˁʳ˥˸˹˸˸˶˸ʳˢˍ
ʳ ʳ ʳ ˈ˃ʳ˪ʳ ʳ ʳ ʳ ʳ ʳ ˆˁʳ˟˴˷ʳ˜˸˷˴˶˸ʳ
ˍʳ ʳ ˋʳˢ˻ʳ ʳ ʳ ʳ ʳ ʳ ʳ
1
No.
Description Brand Name Model No.
1
Digital Signal Generator KENWOOD SG-5150
2
Distortion Meter MEGURO MAK-6571C
3
Millivolt Meter LODESTAR MV-3201B
4
Low-Frequency Generator KENWOOD AG-203A
5
Oscilloscope GW GOS-653G
6
Wow-and-Flutter KIKUSUI 677D
BAND: AM
NO
.
ITEMS Measurement Conditions UNIT NOMINAL LIMIT
1 Frequency Range LOW END KHz
520
±10
HIGH END
According to FTZ Regulation without AFC
KHz 1650 ±25
600 KHz dB 78 82
2 Maximum Sensitivity(-6dB S/N) 1000 KHz dB 78 82
1400 KHz
MOD.=30% Vol Control to MAX. Position Measure Urf for Ref. Output Power
dB 78 82
600 KHz dB 84 88
3 Useable Sensitivity 20dB S/N 1000 KHz dB 84 88
1400 KHz
MOD. =30% AF=1000Hz Vol Control to Ref. Output Measure Urf
for (S + N)/N=20dB
dB 84 88
4
Dial Calibration Error (Pointer at Centre
of
Silk- Screening Scale)
ALL BAND According to FTZ Regulation without AFC KHz ±25 ±40
5 Signal to Noise Ratio (100dB) 1000 KHz Urf=100dB AF =1000Hz MOD. =30% Vol Control to Ref. Output dB 35 30
6 IF Frequency 600 KHz
Input IF=455/465 Signal at 600KHz Point Adjust High-Frequency/Signal to Let SP
Output be MAX. and Distortion Be MIN.Π It is IF
KHz 455/465 ±5
7 IF Rejection 600 KHz AF =1000Hz MOD. =30% Input Freq. 455KHz IF Adjust Freq. dB 50 40
8 Image Rejection 1400 KHz AF =1000Hz MOD. =30% Input Freq. 1400KHz+2 IF Adjust Freq. dB 40 30
9
Adjacent Channel Attenuation r10KHz
1000 KHz AF =1000Hz MOD. =30% Ref. Sensitivity 20dB S/N dB 15 10
10 Bandwidth +6dB 1000 KHz MAX. Sens. +6dB Nf Ϧ+/- Freq. KHz 5 12
11 AGC Figure of Merit (126 dB) 1000 KHz Urf=126dB Vol Control to Ref. output Reduce input Level to Let SP Output be –10dB dB 40 30
12 Whistle Modulation (TWEET) (86 dB) 930 KHz Urf=86dB Vol Control to Ref. output unwanted AF change input Freq. dB 15 10
13 Modulation Hum (126 dB) 1000 KHz AC Supply Voltage Urf=126dBVol control to Ref. output unwanted AF dB -40 -35
14 Random Noise Max Volume ALL BAND Without Signal Blocking Vol Control For MAX. (Rms)mV 80 150
15 Audio Frequency 6dB (100 dB) 1000 KHz
Urf=100dB AF =Input Measure Lower and Upper Limit 6dB Ref. to 1KHz(0dB)SP
150/2K5
dB 0 +
6
16 Distortion (100 dB) 1000 KHz Urf=100dB AF =1000Hz Volume Control to Ref. Output,MOD.=30% % 2 4
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