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I F - D I S P L A Y
S E C T I O N
P I N
1
7
2
8
3
9
4
10
5
11
6
12
S 1 G N A L
2 1 . 4 MHz
GND
GNO
BW7
GND
GND
GND
BW68
GND
+ 1 0 V F
GND
BW5
T O / F R O M
A4A3.P1-7
A4A9.P1-4
A4A9.P1-21
A4A5.P1-5
A4A9.P1-12
FUNCTION
BLOCK
J
K
K
B
K
K
K
B
K
K
K
B
A4A4 BANDWIDTH FILTER
85662-60189
(SERIAL PREFIX:
2 8 1 0 A )
1
PIN
1
7
2
8
3
9
4
10
5
11
6
12
S1GNAL
GND
GND
GND
GND
GND
GND
- 1 5 Y
GND
+15V
+15V
GND
2 1 . 4 MHz
TO/FROM
A4A5.P2-10
FUNCTION
BLOCK
K
K
K
K
K
K
K
K
K
K
K
A
P2-12
2 1 . 4 MHz
-3 dBm± 2 dB
N O T E S :
1 .
R E F E R E N C E
D E S I G N A T O R S
W I T H I N
T H I S
A S S E M B L Y ARE
A B B R E V I A T E D .
FOR C O M P L E T E
R E F E R E N C E
D E S I G
N A T I O N , PREF I X A B B R E V I A T I O N
W I T H
A S S E M B L Y
D E S I G N A T I O N .
2 .
UNLESS OTHERWISE
INDICATED:
RESISTANCE
IS IN OHMS ( Q )
CAPACITANCE IS IN MICROFARADS( u F )
INDUCTANCE IS IN MlCROHENRIES(^H>
3 .
A S T E R I S K ( « )
DENOTES A FACTORY S E L E C T
ED COMPONENT; T Y P I C A L VALUE I S SHOWN.
REFER TO NOTE 8 FOR RANGE OF Y A L U E S .
M N E M O N I C
T A B L E :
M N E M O N I C
BW5
BW7
BW68
D E S C R I P T I O N
BANDWIDTH 5
BANDWIDTH 7 ( L C MODE)
BANDWIDTH 6 8 ( X T A L MODE)
UNLESS OTHERWISE NOTED,
INSTRUMENT
S E T T I N G S ARE AS FOLLOWS:
INSTRUMENT PRESET
CENTER FREQUENCY
FREQUENCY SPAN
A T T E N U A T I O N
RESOLUTI ON BANDWIDTH
C A L . OUT FREQ
0 Hz
0
dB
3
kHz
6.
TABLE OF RESOLUT I ON BANDW I DTH CONTROL
LINE VOLTAGES.
RESOLUTION
BANDWIDTH
3 MHz
1 MHz
300 kHz
100 kHz
30 kHz
10 kHz
3 kHz
1 kHz AND
NARROWER
TYPICAL VALUES
BW5
+ 1 4 . 8
+ 1 4 . 8
+ 1 4 . 8
+ 1 4 . 8
- . 6
- . 6
- . 8
- . 6
BW68
- 1 4 . 0
- 1 4 . 0
- 1 4 . 0
- 1 4 . 0
+ 1 4 . 3
+ 9 . 3
+ 9 . 0
+ 9 . 2
BW7
+ 9 . 7
+ 1 3 . 1
+ 1 4 . 1
+ 1 4 . 5
+ 1 4 . 3
+ 1 4 , 3
+ 1 4 . 3
+ 1 4 . 3
7. UNLESS OTHERWISE INDICATED:
SIGNALS ENTER AT LEFT SIDE AND EXIT AT
RIGHT SIDE OF FUNCTION BLOCKS.
8.
THE COMPONENTS LISTED BELOW ARE FACTORY-
SELECTED COMPONENTS. THE RANGE OF ACCEPT
ABLE VALUES FOR EACH FACTORY-SELECTED
COMPONENT IS ALSO LISTED.
COMPONENT
C10«
C17*
C38*
C66*
C70»
C92*
C97«
R3«
R16«
R20*
R35«
R40*
R42*
R44*
R45*
R60*
R64<
R65*
R94*
ACCEPTABLE VALUES
1.0pF - 8.2pF
180pF - 270pF
1.0pF - 8.2pF
1.0pF - 8.2pF
180pF - 270pF
180pF - 270pF
180pF - 270pF
0 0 - 9.09Q
3 1 6 0 Q - 8250Q
6 . 1 9 K Q - 12.1KQ
383 Q - 825Q
6 . 1 9 K 2 - 12.1Q
1KQ - OPEN
1 K Q - OPEN
Ofl- 100Q
3100Q - 8250Q
6.19KQ- 12.1KQ
909 Q - 2730Q
1 0 0 K Q - 1MQ
J
A4 A4
A 4 A 4
B A N D W I D T H
F I L T E R ,
S C H E M A T I C
D I A G R A M
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