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API Technologies

ULTRA-LOW PHASE NOISE SAW OSCILLATORS


API Technologies designs and manufactures high-rel SAW Oscillators for today’s space and defense market. API utilizes a low jitter planar SAW which translates to extremely low phase noise performance and exceptionally low accumulated jitter. These high performance SAW Oscillators, in frequencies from 100 MHz to 4000 MHz, also feature high stability and reliability.

Featured Products:

Applications

  • Clocks for communications
  • Test equipment signal sources
  • Clocks for up/down converters
We use a low loss planar SAW device as the frequency controlling element.

We use a low loss planar SAW device as the frequency controlling element.

Varactor diodes in quadrature allow for linear tuning beyond tradition designs.

High-rel SAW Oscillators for Military Applications.

Available x2 or x4 multipliers extend frequency performance to 4000 MHz.

Available x2 or x4 multipliers extend frequency performance to 4000 MHz.

Ultra low noise bipolar transistors for improved output power.

Ultra low noise bipolar transistors
for improved output power.

Low phase noise, excellent frequency stability and rugged construction.

Low phase noise, excellent frequency
stability and rugged construction.

We perform rigorous electrical testing at pre-seal and post-seal.

We perform rigorous electrical testing
at pre-seal and post-seal.

Excellent close-in phase noise performance.

Excellent close-in phase noise performance.

 

PRODUCT SOLUTIONS


Radiation Tolerant Voltage Controlled SAW Oscillator

Model
Number

Fo (MHz)

Tuning Range (PPM)

Kvco
(ppM/V)

Tuning Linearity (%)

Harm-
onic Spur-
ious (dBc) Max

Non-
harmonic Spurious (dBc) Max

SSB Phase Noise (dBc/Hz)

Icc
(Typ)
(mA)

Tcase
(Oper-
ating)
°C

1
kHz

10
kHz

100
kHz

1
MHz

10
MHz

 AP725
      Series
4000 700 140 -10 / 10 -30 -60 -109 -132 -152 -160 -160 150 -55 to +100
Specifications apply at Vcc = 8.0V
Output Power = 10 +/- 2 dBm
Typical performance measured at 25°C

Voltage Controlled SAW Oscillators

Model
Number

Fo (MHz)

Tuning Range (PPM)

Kvco
(ppM/V)

Tuning Linearity (%)

Harm-
onic Spur-
ious (dBc) Max

Non-
harmonic Spurious (dBc) Max

SSB Phase Noise (dBc/Hz)

Icc
(Typ)
(mA)

Tcase
(Oper-
ating)
°C

1
kHz

10
kHz

100
kHz

1
MHz

10
MHz

MN725-0400 400 700 140 0 +/-5 -30 -60 -109 -132 -152 -160 -160 90 -55 to +85
MN725-0500 500 700 140 0 +/-5 -30 -60 -109 -132 -152 -160 -160 90 -55 to +85
MN725-0625 625 700 140 0 +/-5 -30 -60 -109 -132 -152 -160 -160 90 -55 to +85
MN725-1250 1250 700 140 0 +/-5 -30 -60 -103 -126 -146 -154 -156 120 -55 to +100
MN725-2500 2500 700 140 0 +/-5 -30 -60 -97 -120 -140 -148 -150 120 -55 to +100
Vcc = 5 V +/- 0.25 volts
Output Power = 10 +/- 2 dBm
Typical performance measured at 25°C

Phase Locked SAW Oscillators

Model
Number

Fo (MHz) Typ.

Lock Range min/max (ppm)

Harm-
onic Spur-
ious (dBc)

Non-coherent Spurious (dBc)

Refer-
ence Spur-
ious (dBc)

Refer-
ence Freq. (MHz)

SSB Phase Noise1 (dBc/Hz)

Icc (Typ)

Tcase (Oper-
ating) °C

10
Hz

1
kHz

100
kHz

1
MHz

10
MHz

MN745-0640 625 -100/+100 -30 -75 -65 32 -65 -110 -140 -155 -155 110
mA
-40 to +85
Vcc = 5 V +/- 0.25 volts
Output Power = 10 +/- 2 dBm
Typical performance measured at 25°C
1 640MHz Output Frequency, 10MHz Reference Frequency, 10kHz PLL Bandwidth.
Note that the close-in phase noise will vary with loop bandwidth and reference frequency.

OSCILLATOR EXTRAS