FREQUENCY CONTROL PRODUCTS
H I G H S T A B I L I T Y S T A N D A R D S I Z E T C X O
D F A 3 6
36.1±0.1
EXTERNAL POTENTIOMETER ADJUSTMENT
25.4
VERY HIGH OVERALL STABILITY
Option Y
Pot in
Standard
Pot out
3
2
1
4
5
STANDARD PACKAGE
LOW AGEING
10k
10k
Pot in
Gnd
Function
NC/Pot in / VCO
NC/Pot out
Vcc
DFA 36
Gnd
1
2
3
4
5
Output
MH and MS models supplied in
solder sealed package.
GND
0.8
Please consult factory for details.
TYPE
DFA 36-H
DFA 36-MH
DFA 36-S
3 to 27
DFA 36-MS
Frequency Range (MHz)
1 to 27
25 to 70
25 to 70
ELECTRICAL SPECIFICATIONS
supply voltage
5 to 15 V ± 5 %
5 to 15 V ± 5 %
supply current ( no load)
≤ 25 MHz
≤ 10 mA
≤ 30 mA
≤ 20 mA
≤ 40 mA
> 25 MHz
output load
HCMOS 15 pF or 2 TTL
40/60...60/40 %
≤ 10 ns
Sine 50 Ω ± 10 %
duty cycle @ 2.5 V
rise/fall times
high/low levels or output amplitude
0 dBm ± 2 dB
≥ 3.5/ ≤ 0.5 V
start-up
≤ 10 ms
≤ 10 ms
FREQUENCY STABILITY
types
detailed tolerances [ ppm ]
temperature
range
model
stability versus :
potentiometer
pulling range
code
D0.5
D1
temperature
≤ ± 0.5
≤ ± 1
Vcc ± 5 %
load ± 10 %
ageing
-10 to 60°C
C1
≤ ± 1
all types
-20 to 70°C
-40 to 85°C
≤ ± 0.1
≤ ± 0.1
≤ ± 1
≥ ± 5
C2
≤ ± 2
E2
≤ ± 2
E3
≤ ± 3
external potentiometer value 10 kΩ
factory calibration if no trimming option ≤ ± 1 ppm
ageing is 1st year at 25°C
remarks
OPTIONS
CODE
internal trimmer
A
Y
≥ ± 5 ppm
external 2 point potentiometer
10 kΩ ≥ ± 5 ppm, between pin 1 and GND
2.5 ± 2 V ≥ ± 5 ppm , negative slope
2.5 ± 2 V ≥ ± 5 ppm , positive slope
V
VP
external voltage
ORDERING CODE
type + option code + frequency + model code / voltage value
Example
DFA 36-HA 16.384 MHz E2/12
TYPE
DFA 36
REVISION
01
CHECKED
JYA
DATE
24.01.2002
PAGE
58