FX-104 Frequency Translator
Description
Vectron's FX-104 is a SAW based frequency translator The "Input Frequency tracking capability" is the total
which is used to translate any input frequency such as amount of input frequency deviation in which the FX-
8 kHz, 1.544 MHz, 2.048 MHz, 19.440 MHz etc. to any 104 is guaranteed to track or translate. As an example,
specific frequency from 170 MHz to 777.6 MHz. The a typical input clock would be 8 kHz ±20 ppm. The FX-
input frequency does not have to be a 50/50% duty 104 is guaranteed to track at least ±40 ppm of error over
cycle and as an example can be an 8 kHz signal with a temperature/ aging/ power supply and is more than
logic high "on time" of only 1us, such as a BITS clock. twice what most applications require. The PLL control
The FX-104 also has the ability to translate any of 1 to voltage is brought out through a 470K ohm resistor.This
4 different input frequencies to one common output fre- would allow for the use of external circuitry (analog
quency, such as input frequencies of 8 kHz and 1.544 comparators or an A/D converter plus a processor) to
MHz and 19.44 MHz and any other frequency between detect when the control voltage is getting close to the
333 Hz and 170 MHz translating them to any specific limits of the pull range.
output frequency from 170 MHz to 777.600 MHz.
Performance Characteristics
Parameter
Symbol
Min
Typical
Max
Unit
Output Frequencies
Supply Voltage,
155.52
777.6
MHz
C = 5 Vdc
D = 3.3 Vdc
Vcc
Vcc
4.75
3.15
5.00
3.30
5.25
3.45
Vdc
Vdc
Supply Current
Input Signal,
Icc
95
125
mA
A = HCMOS
D = PECL
CLKIN
CLKIN
HCMOS
PECL
---
---
OUTPUT,
VOL
F = Comp PECL
---
---
PECL
---
Vcc-1.63
Vcc-0.75
400
---
V
VOL
VOH
tR/tF
Vcc-1.95
Vcc-0.98
VOH
V
Rise/Fall Time (20% to 80%)
250
49/51
0.23
3
ps
%
ps
ps
dB
Output Symmetry
Sym
45
55
Jitter Generation, rms (12 kHz to 20 MHz)
Jitter Generation, rms (cycle to cycle method)
Jitter Transfer, GR-253-CORE sec 5.6.2.1.2
1
5
0.1
Input Frequency Tracking Capability
(Can translate a Stratum 1,2,3,3E,4
or SONET Min source)
APR
±40
ppm
Operating Temperature
Temp Range C = 0°C to +70°C
Temp Range F = -40°C to +85°C
Size
25.4 x 20.32 x 6.35 mm (1.0” x 0.8” x 0.25”)
Vectron International • 267 Lowell Road, Hudson, NH 03051 • Tel: 1-88-VECTRON-1 • Web: www.vectron.com
VECTRON [ Vectron International, Inc ]
