B
O
WEI
Features
Digitally tuned
Hopping filter
LBM017A-85~LBM700A-85
Digitally tuned Hopping filter
Frequency range
：
30~700MHz
BOWEI INTEGRATED CIRCUITS CO.,LTD.
Tuning Control: 8 bit parallel（TTL Level compatible）
Wide dynamic
：Input
P
-1
=30dBm
2 ploe 0.1dB Chebyshev Response
Tuned speed
≤10us(f
c
>30MHz)
Up to 250 steps(Fc<120MHz) in band.
Typical
2~3
octave
bandwidth
coverage
within
Selection Guide：
LBM017A-85(40~110MHz), LBM037A-85(30~90MHz),
LBM038A-85(30~110MHz), LBM039A-85(90~200MHz),
LBM040A-85(200~400MHz),LBM041A-85(225~450MHz)
LBM041A512-85(225~512MHz),
LBM700A-85(400~700MHz)
30~700MHz
High bias voltage low bias current (100V/1.5mA)
Package : Pins or SMA connector
Small DIP package
Operating Temperature range：-40℃~+85℃
Specification
Electrical
Parameters
% 3dB Bandwidth
Fractional BW flatness
1)
I.L at center frequency
2)
I.L variance
3)
Shape Factor (BW
30
/BW
3
)
Impedance
VSWR
Input P
-1 4)
DC power:
3�½�10%
≤1%
2~6dB
≤2dB
≤7:1
50Ω
2.0:1max
+30dBm(TYP)
+5V/90mA
V
bb
:+15~100V/1.5mA
LBM017A-85
Note:
1) This is the difference of % 3dB bandwidth within the frequency band, see Page
56
for typical curves
2) Insertion loss at center frequency is typical one, the wider passband the lower IL. Following method is used to
calculate insertion loss：IL ×BW
3dB
%=20~25, For example % BW is 5% then IL is 4~5dB
3) See typical curves on page
56
4) Decided by the bias voltage, refer to the
“Input
P
-1
--- Bias voltage”typical curve on page
55
Environmental
Vibration(5�½�2000Hz)
Shock(11 mSec)
Relative HUmidity
Standard
10G
30G
0~90%
Special
20G
50G
95%
Operating Temp
Storage Temp
Standard
-40~+60℃
-40~+100℃
Special
-40~+85℃
-55~+125℃
●TEL:+86-311-87091891
87091887
●
FAX:+86-311-87091282
●
http://www.cn-bowei.com
●
E-mail:cjian@cn-bowei.com
54
BOWEI [ BOWEI INTEGRATED CIRCUITS CO.,LTD. ]
