ADRF6650 datasheet(13/61 Pages) AD

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Data Sheet

ADRF6650

Rev. A | Page 13 of 61

TYPICAL PERFORMANCE CHARACTERISTICS

VCC_DVGA_x = 5 V, VCCx = 3.3 V, TA = 27°C, fIF = 184 MHz, internal LO, digital variable gain amplifier (DVGA) attenuation = 0 dB,

LTUNE = 1 nH, LSHUNT = 150 nH, and 25 Ω external resistors on each differential leg, 5 V high power mode, low-pass filter setting = 7,

unless otherwise noted. The LO is high-side for RF frequencies lower than 1 GHz and higher than 2.5 GHz, and LO is low-side for the

remaining RF frequencies. For two-tone measurements, IF output power is −4 dBm/tone and 10 MHz tone spacing, unless otherwise

noted. All losses from input and output traces and baluns are de-embedded from results.

500

940

1380

1820

2260

2700

RF FREQUENCY (MHz)

–40°C

+27°C

+105°C

Figure 4. Gain vs. RF Frequency

500

940

1380

1820

2260

2700

RF FREQUENCY (MHz)

–40°C

+27°C

+105°C

Figure 5. OP1dB vs. RF Frequency

500

940

1380

1820

2260

2700

RF FREQUENCY (MHz)

CHANNEL A

CHANNEL B

OP1dB

GAIN

OIP3

Figure 6. OP1dB, Gain, and OIP3 vs. RF Frequency, Channel Comparison

125

200

275

350

425

500

IF FREQUENCY (MHz)

LO FREQUENCY = 800MHz

LO FREQUENCY = 1800MHz

LO FREQUENCY = 2700MHz

Figure 7. Gain vs. IF Frequency; RF Sweep with Fixed LO, LSHUNTx = 150 nH

100

150

200

250

300

350

400

450

500

IF FREQUENCY (MHz)

LO FREQUENCY = 800MHz

LO FREQUENCY = 1800MHz

LO FREQUENCY = 2700MHz

Figure 8. Gain vs. IF Frequency; RF Sweep with Fixed LO, LSHUNTx = 47 nH

125

200

275

350

425

500

IF FREQUENCY (MHz)

LO FREQUENCY = 800MHz

LO FREQUENCY = 1800MHz

LO FREQUENCY = 2700MHz

Figure 9. OP1dB vs. IF Frequency; RF Sweep with Fixed LO

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