Ramsey Electronics COM 3 - Final Test Data; Sensitivity and Output Level Tests; Monitor and Counter Function Tests; RF Generation and Modulation Tests

COM 3 FINAL TEST DATA
A) Sensitivity and Output Level Flatness.
1) Enter 5.15 MHz,Monitor FM ,50 MHz offset
2) Turn output attenuator full CW,examine RF
output on spectrum analyzer.
FREQ (MHz) SENSITIVITY OUTPUT LEVEL
(-100 dBm) FLATNESS (+ 2dB)
5.15 a a
55.15 wo E
105.15 Y eg
155.15 E E
205.15
. 255.15 hr Ey
305.15 la^ យ
355.15 E | =f
405.15
455.15 ፳፻" ES
505.15 ២7 2:
555.15 zg យ”
605.15 ^ E^
655.15 យ យ
705.15 យ យ
755.15 យ -ሯ
805.15 យ Er
855.15 eg Er
905.15 ” យ |
955.15 យ ጨ“
B) Monitor Functions
1) Enter 464.150, Monitor FM
គ - (+5 KHz) Deviation check
[^ (+1 KHz) Deviation check
-= (+5 KHz) Center frequency check
E^ (C5KHz Center frequency check `
E^ (- 1 KHz) Center frequency check
Dig
ital
epe
aad
ias
Od
god
"T
Og
ties
Ud
C) Generate RF
መኒ
) Enter 464.150, Generate RF, FM
1 KHz tone level and frequency OK
CTS tone level and frequency OK
Ext. Mod input OK
‘Int. 1 KHz, CTS outputs OK
Step attn OK
Variable attn OK
Internal Xmit changeover relay OK
ኝን ከ NU
ស
) Enter 10.25 MHz, Generate RF,
AM |
EY AM mod OK, variable up to 100%
D) Counter Functions
1) Enter 464.150 Monitor FM, Dev.
(1.5 KHz)
2) Press Count AF
I^ Count AF OK
3) Press Count RF
EFC Count RF OK
E) Battery Charge
២7 Charge rate OK
យ Charge held » 1.5 hrs
F) Cosmetics
E All hardware on case OK
EY All PCB hardware
zg Loose wire tape trap installed
Ey” Lead dress
Er Knob attachment
I AINLEDsoperating
A
Technician:
417:
Date:
lo-
14-90
Serial #: 5 5 “