M A COM MDS-148PIN, MD-148PIN Datasheet

Double-Balanced Mixer,
10 - 1500 MHz

V 3.00

MD-/MDS-148

Features

n Fully Hermetic Package
n 1 dB Compression Point: +5 dBm
n Conversion Loss: 6 dB Typical Midband
n LO-RF/LO-IF Isolation: 40 dB Typical Midband
n Impedance: 50 Ohms Nominal
n Maximum Input Power: 300 mW Max, Derated to 85°C

@ 3.2 mW/°C

n X 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 medium 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.

SF-1 (MDS-148)

FP-2 (MD-148)

Pin Configuration (MD-148)

Pin No. Function Pin No. Function

1 GND 5 LO
2 GND 6 GND
3 GND 7 GND
4 IF 8 RF

Pin Configuration (MDS-148)

Pin No. Function Pin No. Function

1 GND 3 LO
2 IF 4 RF

Double Balanced Mixer, 10 - 1500 MHz

Conversion Loss (dB)

Electrical Specifications1: TA = -55°C to +85°C

Parameter Test Conditions Frequency Units Min Typ Max

MD-/MDS-148

V 3.00

Frequency Range RF, LO Ports

IF Port

Conversion Loss 10 - 800 MHz

Isolation

LO to RF 10 - 100 MHz

LO to IF 10 - 100 MHz

RF to IF 10 - 100 MHz

10 - 1500

DC - 1500

800 - 1500 MHz

100 - 1000 MHz

1000 - 1500 MHz

100 - 1000 MHz

1000 - 1500 MHz

100 - 1000 MHz

1000 - 1500 MHz

MHz
MHz

dB
dB

dB
dB
dB

dB
dB
dB

dB
dB
dB

— — —

—
—

35
25
20

35
20
12

30
18

8

—
—

—
—
—

—
—
—

—
—
—

DC Polarity Negative — — — — —

DC Offset — — mV — <10 —

RF Input 1 dB Compression

1 dB Desensitization

SSB Noise Figure Within 1 dB of Conversion Loss

—
—

dBm
dBm

—
—

+5
+3

— — — — —

Max

Typical Two-Tone IM

Ratio 2

with a –10 dBm input, each input,

25 MHz and 35 MHz IF

1500 MHz dB — 50 —

1. All specifications apply when operated at +10 dBm available LO power with 50 ohm source and load impedance.

2. Measured at 1500 MHz.

7.5
10

—
—
—

—
—
—

—
—
—

—
—

Bottom View of SF-1

4X .016 ± .002

.506

.385 Ref

.220

.165

.002
.000

.367

.000

.002

.080

.143

.205

.305

.430

Specifications subject to change without notice.

n North America: Tel. [phone]
n Asia/Pacific: Tel.[phone], Fax [phone]
n Europe: Tel. [phone], Fax[phone]

Visit www.macom.com for additional data sheets and product information.

6X .050 (+.020/-.000)

.510 Ref

4X .099 ± .010

.381

Typical Performance Curves

Conversion Loss

9

8

7

6

5

10 20 50 100 200 500 1000 1500

Frequency (MHz)

2