Agilent Technologies E6385A manual Pww ew e, Which Clock to Use SCT Clock or External Reference?

Installation

Determining the Test Set to Site Equipment Connections

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I± ±tu— –“uz± uz ±tq –”“oq——2 “® y®—± pqoupq ±tq ox“ow ”qrq”qzoq2 ±tq ]q—± [q± –“”±2 mzp ±tq Jm—q [±m±u“z –“”± ±“ nq ®—qp uz ±q—±uzs4 I± m––”“–”um±q –“uz±— uz m ±q—± —q•®qzoq2 ±tq ]q—± [“r±m”q x pu—–xm— pu”qo±uzs ® ±“ ymwq o“zzqo±u“z—4 N“” pq±mux— “z ±tq

”q•®u”qp o“zzqo±u“z—2—qqChapter 3, “Connections,” on page 45.

Which Clock to Use – SCT Clock or External Reference?

Qr “® qxqo± ±“ ®—q ±tq [K] ox“ow —uszmx2 o“zzqo± mzp qzmnxq u± m— r“xx“—B

ew 74 K“zzqo± ±tq ox“ow —uszmx— .7A4==6?3UPzp q©qz3—qo“zp/ mzp ±”mz—yu±±q” “®±–®± ±“ ±tq ]q—± [q± .—qq “Test Set to Base Station Connections” on page 46).

ew 84 Set the TST CLK switch on the SCT module to ON to enable the Base Station clock signals.

If you elect to use a separate GPS reference instead of the cell site clocks, see “Test Set to GPS Time and Frequency Reference Receiver Connections” on page 50.

Which Test Set Port to Use – ANT IN or RF IN/OUT?

CAUTION	]tq ]q—± [q± IV] QV –“”± u— “zx ®—qp r“” ©q” x“szmx xq©qx—		≤ =6 yuxxum±±— .7>4>?
	pJy/4 ]tq”qr“”q2 ±“ –”q©qz± pmymsq ±“ ±tq ]q—± [q±2
	n m	4 ]tu— –“”± u— ±–uomxx o“zzqo±qp ±“ ±tq Jm—q [±m±u“z ]d
	]q—± X“”±4

]tq ]q—± [q± ZN QV5Wa] –“”± u— r“” KLUI —uszmx— “r ≤15 m±±— “” o“z±uz®“®— m©q —uszmx— “r ≤>; —4 ]tu— u— ±tq “zx –“”± “z ±tq ]q—± [q± ±tm± “® —t“®xp o“zzqo± pu”qo±x ±“ ±tq Jm—q [±m±u“z ]d Iz±qzzm X“”±4 Qr –“q” xq©qx— r”“y ±tq Jm—q [±m±u“z qoqqp ±tq —–qouruom±u“z “r ±tq –“”±2 ®—q mz m––”“–”um±q —uszmx m±±qz®m±“”4

Which Base Station Port to Use – TX Test or TX Antenna?

]q—±uzs ym nq –q”r“”yqp tuxq o“zzqo±qp ±“ qu±tq” ±tq Jm—q [±m±u“z ]q—± X“”± “” ±tq Jm—q [±m±u“z Iz±qzzm X“”±4 ]q—±uzs m± ±tq Iz±qzzm X“”± uz©“x©q— ±mwuzs ±tq Jm—q [±m±u“z “®± “r —q”©uoq4 ]tq ot“uoq— m”q pq—o”unqp uz ±tq r“xx“uzs —qo±u“z—4

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]tq Jm—q [±m±u“z ]d ]q—± X“”± —uszmx u— pq”u©qp r”“y ±tq pu”qo±u“zmx o“®–xq” ±tm± u— o“zzqo±qp nq±qqz ±tq Tuzqm” Iy–xuruq” mzp ±tq Jm—q [±m±u“z ]d Iz±qzzm X“”± .—qq Nus®”q 83?/4 ]tu— mxx“— “® ±“ ymwq yqm—®”qyqz±— “z mz mo±u©q Jm—q [±m±u“z u±t“®± pu—o“zzqo±uzs ±tq ±”mz—yu± mz±qzzm mzp uz±q””®–±uzs —q”©uoq4 e“® y®—± qz±q” m ©mx®q r“” ±tq o“®–xuzs rmo±“” .x“——/ ±t”“®st ±tq pu”qo±u“zmx o“®–xq” ±“ o“y–qz—m±q –“q” yqm—®”qyqz±— .—qq “Test Configuration” on page 39). Coupling factors are typically 40 to 70 dB, but might vary, depending on the Base Station design.

36 Chapter 2

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