ADF4360-8 Data Sheet
Rev. D | Page 4 of 24
Parameter B Version Unit Test Conditions/Comments
Frequency Pulling (Open Loop) 10 Hz typ Into 2.00 VSWR load.
Harmonic Content (Second) −16 dBc typ
Harmonic Content (Third) −21 dBc typ
Output Power
5, 7
−9/0 dBm typ Using tuned load, programmable in 3 dB steps; see Table 7.
Using 50 Ω resistors to V
VCO
, programmable in 3 dB steps; see Table 7.
Output Power Variation ±3 dB typ
VCO Tuning Range 1.25/2.5 V min/max
VCO Phase Noise Performance
9
−120 dBc/Hz typ At 100 kHz offset from carrier.
−139 dBc/Hz typ At 800 kHz offset from carrier.
−140 dBc/Hz typ At 3 MHz offset from carrier.
−142 dBc/Hz typ At 10 MHz offset from carrier.
Synthesizer Phase Noise Floor
10
−160 dBc/Hz typ At 200 kHz PFD frequency.
−142 dBc/Hz typ At 8 MHz PFD frequency.
Phase Noise Figure of Merit
10
−215 dBc/Hz typ
In-Band Phase Noise
11, 12
−102 dBc/Hz typ At 1 kHz offset from carrier.
RMS Integrated Phase Error
13
0.09 Degrees typ 100 Hz to 100 kHz.
Spurious Signals due to PFD
Frequency
12, 14
Level of Unlocked Signal with
MTLD Enabled
−70 dBm typ
1
Operating temperature range is –40°C to +85°C.
2
Guaranteed by design. Sample tested to ensure compliance.
3
I
CP
is internally modified to maintain constant loop gain over the frequency range.
4
T
A
= 25°C; AV
DD
= DV
DD
= V
VCO
= 3.3 V.
5
Unless otherwise stated, these characteristics are guaranteed for VCO core power = 5 mA. L1, L2 = 270 nH, 470 Ω resistors to GND in parallel with L1, L2.
6
Jumping from 88 MHz to 108 MHz. PFD frequency = 200 kHz; loop bandwidth = 10 kHz.
7
For more detail on using tuned loads, see the Output Matching section.
8
Using 50 Ω resistors to V
VCO
, into a 50 Ω load.
9
The noise of the VCO is measured in open-loop conditions.
10
The synthesizer phase noise floor is estimated by measuring the in-band phase noise at the output of the VCO and subtracting 20 log N (where N is the N divider value). The
phase noise figure of merit subtracts 10 log (PFD frequency).
11
The phase noise is measured with the EV-ADF4360-8EB1Z evaluation board and the HP 8562E spectrum analyzer. The spectrum analyzer provides the REF
IN
for the
synthesizer; offset frequency = 1 kHz.
12
f
REFIN
= 10 MHz; f
PFD
= 200 kHz; N = 1000; loop bandwidth = 10 kHz.
13
f
REFIN
= 10 MHz; f
PFD
= 1 MHz; N = 120; loop bandwidth = 100 kHz.
14
The spurious signals are measured with the EV-ADF4360-8EB1Z evaluation board and the HP 8562E spectrum analyzer. The spectrum analyzer provides the REF
IN
for
the synthesizer; f
REFOUT
= 10 MHz at 0 dBm.
