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MD108

M/A-Com
Part Number MD108
Manufacturer M/A-Com
Description Double Balanced Mixer
Published Mar 3, 2006
Detailed Description Double-Balanced Mixer, 5 - 500 MHz V 4.00 MD-108 Features n n n n RH-3 Low Cost Conversion Loss: 7 dB Typical Imped...
Datasheet PDF File MD108 PDF File

MD108
MD108


Overview
Double-Balanced Mixer, 5 - 500 MHz V 4.
00 MD-108 Features n n n n RH-3 Low Cost Conversion Loss: 7 dB Typical Impedance: 50 Ohms Nominal Maximum Input Power: 400 mW max.
@ 25°C, Derated to 85°C @ 3.
2 mW/°C n IF Port Current: 50 mA Max.
n MIL-STD-883 Screening Available Description Transformers convert the LO and RF paths to balanced lines connecting to a low barrier, Schottky diode ring quad.
These transformers help provide excellent isolation between ports.
Conversion Loss is low.
The direct connection of the IF port to the diode quad allows these mixers to be used as phase detectors and bi-phase modulators.
Pin Configuration Pin No.
1 2 3* 4 Function LO GND IF GND Pin No.
5 6 7* LO Function * P3 and P7 are connected together to make IF port.
Electrical Specifications : TA = -55°C to +85°C Parameter Test Conditions RF, LO Ports IF Port Frequency 5 - 500 DC - 500 5 - 150 MHz 150 - 500 MHz LO to RF LO to IF RF to IF Positive, if LO input at Pin 1 5 - 150 MHz 150 - 500 MHz 5 - 150 MHz 150 - 500 MHz 5 - 150 MHz 150 - 500 MHz — Units MHz MHz dB dB dB dB dB dB dB dB — mV 1 dB Compression 1 dB Desensitization Within 1 dB of Conversion Loss Max.
With –10 dBm input, each input 25 MHz and 35 MHz IF — 100 - 350 MHz 350 - 500 MHz dBm dBm — Min — — — — 40 35 35 25 25 20 — — Typ — — — — — — — — — — Max — — 7.
0 9.
0 Frequency Range Conversion Loss w Isolation w .
D w t a 8 S a IF RF GND e h t e U 4 .
c m o 1 DC Polarity DC Offset RF Input SSB Noise Figure Typical Two Tone IM Ratio 1.
All specifications apply when operated at +7 dBm available LO power with 50 ohm source and load impedance.
w w w .
D dB dB a S a t — — — — — e e h — <1 U 4 t m o .
c — — — — — — — — — — — — — +2.
5 0 — >55 >40 Double-Balanced Mixer, 5 - 500 MHz MD-108 V 4.
00 Typical Performance Curves Conversion Loss (LO = +7 dBm, RF = -5 dBm, IF = 5 MHz) 8 60 Isolation (Input = +7 dBm) L-R L-X R-X Conversion Loss (dB) 7 Isolation (dB) 50 40 6 30 5 5 10 20 50 100 200 300 4...


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