Product Card

Cable Calibr ation Chapter 3: LMF Oper ation
Figure 3 -33 Cable Calibr ation T est Setup – Agilent E7495A and E7495B
ti-cdma-06178.eps
TEST
SET
A. SHORT CABLE CAL
SHORT
CABLE
CALIBRATION SET UP
100-W ATT (MIN)
NON-RADIA TING
RF LOAD
B. RX and TX TEST SETUP
10 DB MIMIMUM
IN-LINE ATTENUATOR
N-N FEMALE
ADAPTER
TX
CABLE
DIRECTIONAL
COUPLER
(30 DB)
50 Ω
TERM.
10 DB PAD
10 DB PAD
SHORT
CABLE
10 DB PAD
10 DB PAD
TEST
SET
SUPPORTED TEST SETS
AGILENT E7495A OR E7495B
PORT 1
RF OUT
PORT 2
RF IN
Use only
Agilent supplied
power adapter
GPS
GPIO
Serial 1
Serial 2
Power REF
50 MHz
Sensor
Ext Ref
In
Even Second
Sync In
Antenna
Port 1
RF Out / SWR
Port 2
RF In
RX
CABLE
NOTES:
1. FOR RX TESTING, TOTAL RF PATH
ATTENUATION
(CABLES+COUPLERS+ATTENUATORS)
MUST BE WITHIN THE VALUES
SPECIFIED BELOW FOR EACH TYPE
OF TEST SET:
E7495A: 25 TO 32 dB
E7495B: 10 TO 100 dB
2. WHEN USING THE E7495A, TX
TESTS REQUIRE A MINIMUM OF 30 DB
ATTENUATION PLUS THE CABLE
LOSSES.
TX CABLE FOR
DUPLEXED TX/RX
TEST CABLE
CALIBRATION
3 -68 68P09283A63 -5
FOA A UG 2007