JEFFERSON公司创建于1988年，是一家集研发、制造、销售为一体的电子企业。
JEFFERSON放大器4734H技术参数
|
ITEM
|
UNIT
|
Forward Path
|
Return Path
|
|
RP
|
RA19
|
|
Frequency range
|
MHz
|
87～750/87～860
|
5-65
|
5-65
|
|
Nominal gain
|
dB
|
26
|
30
|
-4
|
19
|
|
Flatness within band
|
dB
|
±0.5
|
±0.75
|
|
Return loss
|
dB
|
≥ 16
|
≥ 16
|
|
Nominal input level
|
dBμV
|
72
|
77
|
|
Nominal output level
|
dBμV
|
98
|
102
|
-
|
-
|
|
Max. output level
|
dBμV
|
-
|
-
|
≥110
|
|
C/N
|
dB
|
≥71
|
≥63
|
-
|
|
C/CTB
|
dB
|
≥62
|
≥62
|
-
|
|
C/CSO
|
dB
|
-
|
≥52
|
|
Gain control
|
dB
|
0-20 dB(adj.)
|
Fixed:2～20dB,2dB/step
|
|
Slope control
|
dB
|
Fixed:2～20dB,2dB/step
|
Fixed:2～14dB,2dB/step
|
|
Input testports level
|
dB
|
-20±1
|
|
Output testports level
|
dB
|
-20±1
|
|
nput/output impedance
|
Ω
|
75
|
|
Hum ratio of signal
|
dB
|
≥66
|
|
Noise figure
|
dB
|
≤8
|
|
Operating Temperature
|
℃
|
－30～60℃
|
|
Impulse voltage resistance
|
kV
|
5（10/700μs）
|
|
Power supply（AC 50Hz）
|
V
|
220 OR 60
|
|
Dimensions
|
mm
|
202×195×703
|
|
Weight
|
Kg
|
2.3
|
|
*Return/Forward splitting Frequency:30/47, 40/52, 40/65, 65/87 Optional.
|
JEFFERSON放大器4734H产品介绍
特征：
体积小巧，功能齐全
带桥输出。
单模推挽放大自动SMT技术开关电源或环形变压器
全合金压铸外壳，防风雨良好的散热功能。所有端口 5/8-24 unef 带 ks-f 连接器
衰减器连续可调，均衡器插件可选
220VAC单路电源或60V中央电源
Features:
Compact size,full function
with a bridge output.
single modual push pull amplitying auto SMT technology swtch power or toroidal transformer
all alloy die cast housing,wealther proof good heat-spread function. All port 5/8-24 unef with ks-f connector
attenuator continually adjustable,equalizer inserter optional
220VAC singlel power supply or 60V central power supply
JEFFERSON放大器其他常用型号：
JEFFERSON 4734D
JEFFERSON 4734E
JEFFERSON 4734H
JEFFERSON 4735H
JEFFERSON 4734GK
JEFFERSON 4734CL
JEFFERSON 4734NL
JEFFERSON 4734SE