FREQUENCY CONTROL PRODUCTS
HIGH STABILITY STANDARD SIZE TCXO
DFA 36
EXTERNAL POTENTIOMETER ADJUSTMENT
VERY HIGH OVERALL STABILITY
Standard
27.1±0.1
8.9
36.1±0.1
25.4
Option Y
Pot in
STANDARD PACKAGE
LOW AGEING
Function
NC/Pot in / VCO
NC/Pot out
Vcc
Output
GND
3
4
Pot out
2
8.9
10k
1
5
Pot in
10k
DFA 36
1
2
3
4
5
10±0.1
0.6±0.1
Gnd
Gnd
6.3
0.8
MH and MS models supplied in
solder sealed package.
Please consult factory for details.
TYPE
Frequency Range (MHz)
DFA 36-H
1 to 27
DFA 36-MH
25 to 70
DFA 36-S
3 to 27
DFA 36-MS
25 to 70
ELECTRICAL SPECIFICATIONS
supply voltage
supply current ( no load)
≤
25 MHz
> 25 MHz
5 to 15 V ± 5 %
≤
10 mA
≤
30 mA
HCMOS 15 pF or 2 TTL
40/60...60/40 %
≤
10 ns
≥
3.5/
≤
0.5 V
≤
10 ms
5 to 15 V ± 5 %
≤
20 mA
≤
40 mA
Sine 50
Ω
± 10 %
0 dBm ± 2 dB
≤
10 ms
output load
duty cycle @ 2.5 V
rise/fall times
high/low levels or output amplitude
start-up
FREQUENCY STABILITY
types
temperature
range
model
code
D0.5
-10 to 60°C
D1
C1
-20 to 70°C
C2
E2
-40 to 85°C
E3
temperature
≤
± 0.5
≤
±1
≤
±1
≤
±2
≤
±2
≤
±3
detailed tolerances [ ppm ]
stability versus :
Vcc ± 5 %
load ± 10 %
ageing
potentiometer
pulling range
all types
≤
± 0.1
≤
± 0.1
≤
±1
≥
±5
remarks
external potentiometer value 10 kΩ
factory calibration if no trimming option
≤
± 1 ppm
ageing is 1
st
year at 25°C
OPTIONS
internal trimmer
external 2 point potentiometer
external voltage
CODE
A
Y
V
VP
≥
± 5 ppm
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
ORDERING CODE
Example
type + option code + frequency + model code / voltage value
DFA 36-HA 16.384 MHz E2/12
TYPE
DFA 36
REVISION
01
CHECKED
JYA
DATE
24.01.2002
PAGE
58
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