KENWOOD TH-78A U/V雙頻手機
本帖最後由 turboone 於 2010-7-6 17:03 編輯EL檔 只有 20mW哦{:4_100:}
SPECIFICATIONS
GENERAL
U.S.A. Version
FREQUENCY
RANGE (MHz) U.K.and Europe 144 to 146
Other market 144 to 148
ANTENNA IMPEDANCE
OPERATING TEMPERATURE
POWER
REQUIREMENTS BATTERY PACK
CURRENT DRAIN
Transmit mode(13.8VDC) H
Transmit mode(13.8VDC) L
Transmit mode(13.8VDC) EL
SIMPLEX
Receive mode with no signal
SIMPLEX Battery Save mode
DUPLEX
Receive mode with no signal
DUPLEX Battery Save mode
GROUND
1 4 4 M H z
b a n d
4 4 0 / 4 3 0 M H z
b a n d
430 to 440
430 to 440
or 438 to 450
F3E (FM)
Approx. Approx.
1.4A 1.5A
0.5A 0.6A
120mA 150mA
60mA 65mA
10mA 12mA
110mA 110mA
20mA 20mA
49.5 X 134 X 41 m m
DIMENSION ( Projection Included )
WEIGHT (Transceiver only)
MICROPHONE INPEDANCE
TRANSMITTER
61.4 x 149.5 x 42mm
270g
OUTPUT POWER
more than 5W
H (7.5VDC) Approx. 2W
L Approx. 0.5W
EL Approx. 20mW Approx. 10mW
I Reactance I
MAX. FREQUENCY DEVIATION
SPURIOUS RADIATION
RECEIVER
less than -6OdB
CIRCUITRY
double conversion
superheterodyne
INTERMEDIATE FREQUENCY 1 ST IF 45.05MHz 58.525MHz
INTERMEDIATE FREQUENCY 2 ND IF 455 kHz
SENSITIVITY (12dB SINAD)
less than less than
SQUELCH SENSITIVITY
SELECTIVITY - 6dB
SELECTIVITY - 60B
more than 12kHz
less than 28kHz
AUDIO OUTPUT POWER More than 200 mW
(10 % distortion)
NOTES: 1. Circuit and ratings are subject to change without notice,
due to development in technology.
2. Recommended duty cycle : 1 minute Transmission,
3 minutes Reception 哇,我也有可是壞掉了.:'(:'(:'( 上次我拿去幾紅茶店送去修，他說沒辦法了，不知還有何管到可以修呢？ 袋鼠大...我有看到他那有零件機了...
可以再試試 還是KENWOOD機器漂亮...{:4_102:} 忠大有感謝，我先去問一問要修多少？
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