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手持機設備介紹

手持機設備介紹

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KENWOOD TH-78A U/V雙頻手機

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85745 turboone 發表於 2010-7-6 16:48:06

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本帖最後由 turboone 於 2010-7-6 17:03 編輯

EL檔 只有 20mW哦

照片 002.jpg

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
照片 001.jpg

TH-78A_Instruction_manual.pdf

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HAM~就是要分享 HAMTalk Club http://www.HAMTalk.asia
BU2BG 發表於 2010-7-6 17:32:31
哇,我也有可是壞掉了.:'(:'(:'(
HAM~就是要分享 HAMTalk Club http://www.HAMTalk.asia
袋鼠 發表於 2010-7-6 21:30:33
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?
HAM~就是要分享 HAMTalk Club http://www.HAMTalk.asia
BM2KRQ 發表於 2010-7-6 23:39:56
袋鼠大...我有看到他那有零件機了...
可以再試試
HAM~就是要分享 HAMTalk Club http://www.HAMTalk.asia
BU2BF 發表於 2010-7-7 10:14:20
還是KENWOOD機器漂亮...
HAM~就是要分享 HAMTalk Club http://www.HAMTalk.asia
袋鼠 發表於 2010-7-8 16:48:18
忠大有感謝,我先去問一問要修多少?
HAM~就是要分享 HAMTalk Club http://www.HAMTalk.asia
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