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參數(shù)資料
| 型號(hào)： | UTCL8115 |
| 廠商： | 友順科技股份有限公司 |
| 英文描述： | FET BIAS CONTROLLER WITH POLARISATION SWITCH AND TONE DETECTION |
| 中文描述： | 場(chǎng)效應(yīng)管偏置控制器，偏振開關(guān)與音調(diào)檢測(cè) |
| 文件頁數(shù)： | 11/13頁 |
| 文件大?。?/td> | 174K |
| 代理商： | UTCL8115 |
UTC L8115 LINEAR INTEGRATED CIRCUIT
UTC
UNISONIC TECHNOLOGIES CO., LTD.
11
QW-R123-005,B
L
B
. The L
B
and H
B
outputs are designed to be compatible with both MMIC and discrete (bipolar or FET) local
oscillator applications, selected by pin L
OV
. Referring to Figure 1 wiring pin L
OV
to ground will force L
B
and H
B
to
switch between -2.6V (disabled) and 0V (enabled). Referring to Figures 2 and 3 wiring pin L
OV
to a positive voltage
source (e.g. a potential divider across V
CC
and ground set to the required oscillator supply voltage, V
OSC
) will
force the L
B
and H
B
outputs to provide the required oscillator supply, V
OSC
, when enabled and 0V when disabled.
Tone Detection Function
L
OV
F
IN
L
B
G
ND
22kHz
Disabled
-
Enabled
V
OSC
22kHz
Disabled
-
Enabled
Note 1: 0 volts in typical LNB applications but ependent on extenal circuits.
APPLICATIONS LOCAL OSCILLATOR CIRCUITS
H
B
L
B
H
B
G
ND
-3 volts
Vosc
Note 1
Enabled
Disabled
Enabled
Disabled
-3 volts
G
ND
Note 1
Vosc
Vcc
R
CAL
V
POL
F
IN
NC
NC
Lov
H
B
L
B
C
sub
G1
D1
G2
D2
G3
GD3
C
NB1
C
NB2
N/C
Vcc
R1
33K
C
SUB
47nF
C
NB
47nF
R3
10
R4
10
C
LB
100n
G2
G1
C
HB
100nF
Vcc
R2
2.0k
LNB Downfeed
Figure 1
1
Local
Osc.
MMIC
UTC L8115
CF1
4.7nF
R6
300k
R5
300k
20
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