HP 3585A Service Manual page 196

ARTE K
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I I
I
I
T P 3
F I R S T
1 0 0 . 3 5 11 H z
I1IXER
/\
BUFFER
4 1 11 H z
1 0 0 . 3 5 11Hz
T O
1 4 0 . 3 5
11 H z
L O CAL O S C I LLATOR
(AZ l }
I F GAIN
3 0 K H z
2
L C
F I
L T E R
S
l , 3 , 1 0 K H z
--l
2.
V V
.1 X TAL
F I S
TO I TO
L T ER
CONVERTOR
CONV ERTOR 3 · 3 0 0 H2
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REFERENCE
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@ 2003-2005
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A S
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11 H z C N I1 I X E R
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1 0 . 3 5 11 H z
7 9 . 6 S I1 Hz
S E C O N D
I1 I X E R
! /\ 1
9 0 11 H z
(A2 1 }
O , 4 , S , 1 2 dB
.1 F STEP
ATT ENUATOR
SIII T C H
CONTROL
T P S
r - - - - - - - - l
B UFFER
,
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V I D E O
Xl
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T
H I RD I1 I X E R
9 . 6 5 11 H z T H I RD 3 5 0 K H z
I1 I X E R
1 0 11 H z
(A2 1 }
A 1 9
I F F I L T E R
B UFFE
R
O , 4 , B , l l d B
OVERDRI V E
1 6 d B
ATT ENUATOR
C ONVERTER
SAMPLE
AND
HOLD
P EAK
D E T E C T O R
TO
AID 1 1 0
CONVERTER
( M S }
N o 2
3 0 KHz
OVERDRIVE ---- -<J_�oE> 9- -- -- -- -_I1
l L
C
L I M I TER
F I L T E R S
l , 3 , l O K H z
l
X TAL
I
V T O
F I L T ERS
3 - 3 0 0 H 2
CONV ERTER
SlIl T CH
CONTROL
---
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O U T P U T
BUFFER
V
!
T O
CONVERTER
Figure 6-3 . RF/IF Block Diagram
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