ADRF6702 datasheet(3/36 Pages) AD

Part #	ADRF6702

Description	1550 MHz to 2650 MHz Quadrature Modulator with 2100 MHz to 2600 MHz Frac-N PLL

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ADRF6703

Rev. 0 | Page 3 of 36

SPECIFICATIONS

VS = 5 V; TA = 25°C; baseband I/Q amplitude = 1 V p-p differential sine waves in quadrature with a 500 mV dc bias; baseband I/Q

frequency (fBB) = 1 MHz; fPFD = 38.4 MHz; fREF = 153.6 MHz at +4 dBm Re:50 Ω (1 V p-p); 130 kHz loop filter, unless otherwise noted.

Table 2.

Parameter

Test Conditions/Comments

Min

Typ

Max

Unit

OPERATING FREQUENCY RANGE

IQ modulator (±3 dB RF output range)

1550

2650

MHz

PLL LO range

2100

2600

MHz

RF OUTPUT = 2140 MHz

RFOUT pin

Nominal Output Power

Baseband VIQ = 1 V p-p differential

4.95

dBm

IQ Modulator Voltage Gain

RF output divided by baseband input voltage

0.95

dB

OP1dB

14.2

dBm

Carrier Feedthrough

−44.1

dBm

Sideband Suppression

−52.3

dBc

Quadrature Error

+0.0/−0.6

Degrees

I/Q Amplitude Balance

0.04

dB

Second Harmonic

POUT − P (fLO ± (2 × fBB))

−63.0

dBc

Third Harmonic

POUT − P (fLO ± (3 × fBB))

−52.0

dBc

Output IP2

f1BB = 3.5 MHz, f2BB = 4.5 MHz, POUT ≈ −2 dBm per tone

70.1

dBm

Output IP3

f1BB = 3.5 MHz, f2BB = 4.5 MHz, POUT ≈ −2 dBm per tone

33.2

dBm

Noise Floor

I/Q inputs = 0 V differential with 500 mV dc bias, 20 MHz carrier offset

−159.6

dBm/Hz

RF OUTPUT = 2300 MHz

RFOUT pin

Nominal Output Power

Baseband VIQ = 1 V p-p differential

4.48

dBm

IQ Modulator Voltage Gain

RF output divided by baseband input voltage

0.48

dB

OP1dB

13.5

dBm

Carrier Feedthrough

−46.0

dBm

Sideband Suppression

−44.0

dBc

Quadrature Error

−0.25/−0.98

Degrees

I/Q Amplitude Balance

0.06

dB

Second Harmonic

POUT − P (fLO ± (2 × fBB))

−67.0

dBc

Third Harmonic

POUT − P (fLO ± (3 × fBB))

−53.0

dBc

Output IP2

f1BB = 3.5 MHz, f2BB = 4.5 MHz, POUT ≈ −2 dBm per tone

68.6

dBm

Output IP3

f1BB = 3.5 MHz, f2BB = 4.5 MHz, POUT ≈ −2 dBm per tone

32.7

dBm

Noise Floor

I/Q inputs = 0 V differential with 500 mV dc bias, 20 MHz carrier offset

−159.7

dBm/Hz

RF OUTPUT = 2600 MHz

RFOUT pin

Nominal Output Power

Baseband VIQ = 1 V p-p differential

2.75

dBm

IQ Modulator Voltage Gain

RF output divided by baseband input voltage

−1.25

dB

OP1dB

11.8

dBm

Carrier Feedthrough

−46.8

dBm

Sideband Suppression

−35.3

dBc

Quadrature Error

0.56/2.3

Degrees

I/Q Amplitude Balance

0.06

dB

Second Harmonic

POUT − P (fLO ± (2 × fBB))

−63.0

dBc

Third Harmonic

POUT − P (fLO ± (3 × fBB))

−51.0

dBc

Output IP2

f1BB = 3.5 MHz, f2BB = 4.5 MHz, POUT ≈ −2 dBm per tone

62.0

dBm

Output IP3

f1BB = 3.5 MHz, f2BB = 4.5 MHz, POUT ≈ −2 dBm per tone)

29.2

dBm

Noise Floor

I/Q inputs = 0 V differential with 500 mV dc bias, 20 MHz carrier offset

−161.7

dBm/Hz

SYNTHESIZER SPECIFICATIONS

Synthesizer specifications referenced to the modulator output

Internal LO Range

2100

2600

MHz

Figure of Merit (FOM)1

−222.0

dBc/Hz/Hz

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