FM
MAIN
BIAS
Modulator
Control Switch
Control
>+17 dBm
500 MHz

Down Converter Assy.

D27330

8.4-20 GHz
2-8.4 GHz
>+4dBm
3.3 G Hz LPF
5.5 G Hz LPF
8.4 G Hz LPF
13 .5 G H z L P F
Level
Control
6.5 1 - 8 .5 G H z
J5
J2
J3
LPF
6.5 G Hz
J3 J1
Sampler
(-20 dBm
to
-27 d B m )
J6 J2
J1

2-20 GH z

YIG Oscillator

Switch
Control
Bias
0.01 - 40 GHz
>+10 dBm

Sw itched Filter A ssy. - D26350

0.01 - 2 GHz
>+16 dBm
8.5 G Hz LPF
x 2
20 - 25 GH z B PF
25 - 32 GH z B PF
32 - 40 GH z B PF
>+20 dBm
20 GHz LPF

Sw itched D oubler M odule - D28535

J1
J2
J4 >+18 dBm
Modulator
Control
Bias
BPF

Source Q uadrupler M odule

J1 x 4
0.0 1 - 6 5 . G H z
90 dB
Step
Attenuator
(Option)
Directional
Coupler
ControlLevel
Control
RF Output
ForwardCoupler
J3
J2
J7
Pulse
J4
(J1 )

À

Á

16 .8 G H z L P F & 6 dB PAD

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Source Q uadrupler Module
Part Num bers:
D28185 (40 - 50 GHz)
60-141 (40 - 60 G Hz)
60-142 (40 - 65 G Hz)
SQ M P/N D28185 contains a
Forward Coupler.
Forward Coupler P/N C27184 is
used w ith SQ M P/Ns 60-141 and
60-142.

À

Á

T h e 1 6 .8 G H z L P F a n d 6 d B P A D ,
P/N B28612, is used with
SQ M P/N s 60-141 and 60-142.

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FUNCTIONAL RF DECK
DESCRIPTION ASSEMBLIES
2-22 682XXB/683XXB MM
Figure 2-5. Block Diagram of the RF Deck Assembly for all
>40 GHz Models (except 682X5B/683X5B Models)