VC-715 Voltage Controlled Crystal Oscillator

Vectron International, 267 Lowell Rd, Hudson NH 03051-4916

Tel: 1-88-VECTRON-1

Website: www.vectron.com

Page 2 of 6

Electrical Performance

Parameter

Symbol

Min

Typical

Maximum

Units

Frequency

1.024

77.76

MHz

Supply Voltage (+3.3 V)

3.135

3.30

3.465

V

Supply Current

<65

mA

Output Logic Levels

Output Logic High

0 / 70 ºC

Output Logic Low

0 / 70 ºC

Output Logic High

-40 / 85 ºC

Output Logic Low

-40 / 85 ºC

V

V

V

V

Transition Times

Rise Time

Fall Time

1

1

ns

ns

Symmetry or Duty Cycle

SYM

45

50

55

%

Operating temperature

0/70 or –40/85

°C

Test Conditions for APR

0.3

3.0

V

Absolute Pull Range

APR

± 50

ppm

Gain Transfer

Positive

ppm/V

Control Voltage Bandwidth (-3dB)

BW

10

kHz

Input Leakage, Control Voltage Input

±1

uA

Package Size

5.0 x 7.5 x 2.0

mm

Figure 1 Production Test Circuit

Figure 1. Test Circuit ( 3.3 v)

1

2

3

6

5

4

50Ω

50Ω

Test Circuit Notes:

1) To Permit 50Ω Measurement of Outputs, all DC Inputs are Biased Down 1.3V.

2) All Voltage Sources Contain Bypass Capacitors to Minimize Supply Noise.

3) 50Ω Terminations are Within Test Equipment.

(-1.3V to +2V)

( >0.975V, Open)

(-1.3V)

(+2V)

COutput

Output

Disable, Enable

50

80

20

Figure 2. PECL Waveform