LBM017A-85~LBM700A-85 Digitally tuned Hopping filter
BOWEI
Dimension and Pinout
LBM017A-85~LBM700A-85 have a same outline and pinout as LBM034A~LBM700A
LBM017A-85~LBM700A-85 V
bb
=15~100V。
Note:
A
0
~A
7
are 8 control bit lines. Tune words from 00000000 to 11111010 results in the tuned frequency from lowest to
highest
Tuneword =
⎛
f
desired
−
f
low
⎞
⎜
⎟
⎜
f
−
f
⎟
low
⎠
⎝
high
×250
(Note: It will be 200 for LBM039A-85~LBM700A-85)
Example：The tuneword of LBM037A-85 at f
c
=50MHz is：
Tuneword =
⎛
⎜
50
−
30
⎞
×250=83D=53H
⎟
⎝
90
−
30
⎠
Notes
The accuracy of tune words is assured only with V
bb
=85V which is the case of manufacture. A low V
bb
can cause errors of tune
words so that you must declare to the factory of the exact V
bb
used to adjust the errors before delivery.
1）
The Input P
-1
decided by the bias voltage, refer to the
“Input
P
-1
－Bias
voltage”typical curve on
this page
2）
Replacement alternative for MICRO-POLE series of POLE/ZERO
3）
Zero DC resistance at both I/O port, additional DC blocking capacitance needed if necessary
Typical Curves
Input power (P
-1
) via V
bb
LBM017A -85(40-110MHz)
35
Input power(dBm)
LBM037A-85 (30-90MHz)
35
Input power(dBm)
30
25
20
15
10
15
Hz
0M
f=4
Hz
0M
f =6
Hz
0M
1
f= 1
30
25
20
15
10
15
Hz
0M
f= 3
Hz
60M
f=
Hz
0M
f= 9
30
45
60
85
100
30
45
60
85
100
Bias Voltage (V)
LBM039A -85(90-200MHz)
35
Input power(dBm)
Input power(dBm)
35
30
25
20
15
10
15
00M
f=2
Bias Voltage (V)
LBM040A-85 (200-400MHz)
30
25
20
15
10
15
MHz
f=90
Hz
Hz
50M
f=1
Hz
200M
f=
Hz
0M
0
f=3
Hz
00M
f=4
30
45
60
85
100
30
45
60
85
100
Bias Voltage (V)
Bias Voltage (V)
●TEL:+86-311-87091891
87091887
●
FAX:+86-311-87091282
●
http://www.cn-bowei.com
●
E-mail:cjian@cn-bowei.com
55
BOWEI [ BOWEI INTEGRATED CIRCUITS CO.,LTD. ]
