868MHz/900MHz ISM-Band Wireless



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Maxim > Solutions > 868MHz/900MHz ISM-Band Wireless

Voltage Controlled Oscillators/VCO Buffers

DATA SHEETS

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Title / Parts

Key Advantages

QV PDF

45MHz to 650MHz, Integrated IF VCOs with Differential Output
MAX2605, MAX2606, MAX2607, MAX2608, MAX2609

QV PDF

Monolithic Voltage Controlled Oscillators
MAX2622, MAX2623, MAX2624

Fully monolithic 900MHz SiGe VCO and Buffer in 8-Pin uMax Package Replaces Modules

QV PDF

500MHz to 2500MHz, VCO Buffer Amplifiers
MAX2472, MAX2473

High Reverse Isolation Buffer Amplifier

QV PDF

10MHz to 500MHz, VCO Buffer Amplifiers with Differential Outputs
MAX2470, MAX2471

QV PDF

10MHz to 1050MHz Integrated RF Oscillator with Buffered Outputs
MAX2620

Key Specifications: VCOs/VCO Buffers

Part Number

Min. Frequency (MHz)

Max. Frequency (MHz)

Features

Supply Current (mA)

Footprint (mm x mm)

Package

MAX2605

•	-10dBm Single-Ended Output Power

•	-117dBc/Hz Phase Noise at 100kHz Offset

•	45MHz to 75MHz Frequency Range

•	Integrated Varactor

1.9

2.7 x 2.9

SOT-23/6

MAX2606

150

•	-10dBm Single-Ended Output Power

•	-112dBc/Hz Phase Noise at 100kHz Offset

•	70MHz to 150MHz Frequency Range

•	Integrated Varactor

2.1

2.7 x 2.9

SOT-23/6

MAX2607

150

300

•	-107dBc/Hz Phase Noise at 100kHz Offset

•	-10dBm Single-Ended Output Power

•	150 to 300MHz Frequency Range

•	Integrated Varactor

2.1

2.7 x 2.9

SOT-23/6

MAX2608

300

500

•	-100dBc/Hz Phase Noise at 100kHz Offset

•	-10dBm Single-Ended Output Power

•	300MHz to 500MHz Frequency Range

•	Integrated Varactor

2.7

2.7 x 2.9

SOT-23/6

MAX2609

500

650

•	-10dBm Single-Ended Output Power

•	-93dBc/Hz Phase Noise at 100kHz Offset

•	500MHz to 650MHz Frequency Range

•	Integrated Varactor

3.6

2.7 x 2.9

SOT-23/6

MAX2622

855

881

•	+2.7V to +3.3V Single-Supply Operation

•	-101dBc/Hz Phase Noise at 100kHz Offset

•	-8dBm Output Power

•	855MHz to 881MHz Frequency Range

3.0 x 4.9

uMAX/8

MAX2623

885

950

•	+2.7V to +3.3V Single-Supply Operation

•	-101dBc/Hz Phase Noise at 100kHz Offset

•	-8dBm Output Power

•	885MHz to 950MHz Frequency Range

3.0 x 4.9

uMAX/8

MAX2624

947

998

•	+2.7V to +3.3V Single-Supply Operation

•	-101dBc/Hz Phase Noise at 100kHz Offset

•	-8dBm Output Power

•	947MHz to 998MHz Frequency Range

3.0 x 4.9

uMAX/8

MAX2472

500

2,500

•	+2.7V to +5.5V Single-Supply Operation

•	-3.2dBm Output 1dB Compression Point at 900MHz

•	40dB Reverse Isolation at 900MHz

•	Dual Open Collector Outputs

5.2

2.7 x 2.9

SOT-23/6

MAX2473

500

2,500

•	+2.7V to +5.5V Single-Supply Operation

•	-10dBm to -2dBm Adjustable Output Power

•	-6.0dBm to -0.9dBm Output 1dB Compression Point at 900MHz

•	Single-Ended Output

2.7 to 4.8

2.7 x 2.9

SOT-23/6

MAX2620

1,050

•	-110dBc/Hz Phase Noise at 25kHz Offset

•	-2dBm Output Power

•	Low-Power Shutdown Mode

•	Requires External Tank Circuit

3.0 x 4.9

uMAX/8

MAX2470

500

•	+2.7V to +5.5V Supply Voltage Range

•	64dB Reverse Isolation at 200MHz

•	>14dB Power Gain at 200MHz

•	Single-Ended Input

3.6 to 5.5

2.7 x 2.9

SOT-23/6

MAX2471

500

•	+2.7V to +5.5V Supply Voltage Range

•	64dB Reverse Isolation at 200MHz

•	>14dB Power Gain at 200MHz

•	Differential Inputs

5.5

2.7 x 2.9

SOT-23/6

See All VCOs/VCO Buffers (21)