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PARTS ORDERING INFORMATION REPLACEABLE PARTS
2-6 373XXA MM
Assembly / Part 373XXA Model / Option Part Number
Transfer Switch
All
D28580-1
46535*
Step Attenuator, 70 dB
All
4612K
Low Frequency Bridge w/ Bias Tee 37311A, 37317A D28985
Coupler w/ Bias Tee 37325A and higher D28967
40 GHz Quad Buffer Amp/Power Amplifier
37369A only
ND47533
Switched Doubler Module (SDM)
37369A only
D28685
Port 2 Step Attenuator
All
4612K
6dBPad
37369A only
43KC-10
20 dB Pad
37347A and below
43KC-20
20 GHz Quad Buffer Amp/Power Amplifier
All except 37369A
ND47532
* Used on serial numbers 975004, 975101, 975103, 980102, 980104, 980201, 980302, 980402, 980403, 980405,
980406, 980407, 980602, 980603, 980701, and above.
Table 2-3. Test Set Assembly RF/Microwave Components, 37317A, 37325A, 37347A, 37369A
Assembly / Part Part Number
Pinswitch 29855
Switched Doubler Module (SDM) 47520
Quadrupler (SQM) 48998
37GHz High Pass Filter 49247
Mux Coupler (Port 1) 49470
Mux Coupler (Port 2) 49480
Shaped Pad 52956
Bias Tee 53409
16.8 GHz Lowpass Filter B28912
Access Loops (Front and Rear Panel) B35569-195
Transfer Switch D27030
3 dB Fixed Attenuator ND26178
Step Attenuator ND52564
Coupler ND52929
Quad Buffer Amplifier/Power Amplifier ND53249
Table 2-4. Test Set Assembly RF/Microwave Components, 37397A