I Np U T/ O Ut Pu T Co N Ne C T Ors - Aeroflex 3900 Series Operation Manual

Digital radio test set
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In p u t/ O u tp u t Co n n ec to r s
A NT ( R F I n p u t)
C o n n e ct o r T y p e
TN C
Function
Rece iver Input (I nput por t)
I mp e d a n ce
50 o hm (no m inal)
VS WR ( wit h A ttenuat io n ≥1 0 d B) :
Bet ter tha n 1.4 4:1 (R F fr eq. < 1 .05 GH z)
Bet ter tha n 1.5 8:1 (R F fr eq. > 1 .05 G H z to < 2 .7 G H z)
Input Pr ot ec tion
10 W wi th w ar ning a bove + 17 dB m (R emove powe r immed iately when alar m sound s) .
T / R (R F I n p u t/ O u tp u t )
C o n n e ct o r T y p e
Type N
Function
RF Po wer Inp ut, Genera tor low -level Output (I nput /Output C onnecto r)
I mp e d a n ce
50 o hm (no m inal)
VS WR
Bet ter tha n 1.2 :1 ( RF fr eq. < 1. 05 GH z)
Bet ter tha n 1.3 :1 ( RF fr eq. > 1. 05 GH z to < 2. 7 GH z)
Input Pr ot ec tion
T/R R F I nput Pow er On/Off :
P eak RF Po wer
< 50 W
> 50 W, < 125 W
> 125 W , < 200 W * *
T/R R F I nput Ala rm A ctivati on* :
A lar m
ON
O FF
* R emove powe r f rom T est S et immediate ly if Overloa d Al arm t rigg ers.
** A pplie s to 3920 o nly.
3900 Pl atf or m Sp ecif icat ion s
M aximum Tim e O n
C ontinu ous
30 se co nds
5 secon ds**
T emper atu re
°
> 100
C
< 100
°
C
S u b j e ct t o E x p o r t C o n tr o l , s ee C o ve r P a g e f o r d e t ai l s .
Min imum Time Off
OR
A ND
B- 25
- -
2 minu tes
5 minutes* *
P eak R F P ower
> 125 W
< 125 W

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