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Alltest Instruments, Inc.

500 Central Ave.

Farmingdale, NJ 07727

P: (732) 919-3339

F: (732) 919-3332

alltest.net

sales@alltest.net

Anritsu Company

490 Jarvis Drive

Morgan Hill, CA 95037-2809

USA

PN: 10100-00027

Revision: F

Printed: June 2009

OPERATING AND MAINTENANCE MANUAL

FOR POWER DIVIDERS

1. INTRODUCTION

This manual describes the 11, K240 and V240 Series

Power Dividers (Figure 1). It provides specifications

and a list of precautions the user should observe

when using them.

2. DESCRIPTION

ANRITSU precision power dividers are produced in

three models:

•11 Series, DC to 3000 MHz using N connectors

•K240B, DC to 26.5 GHz using K Connectors®

K240C, DC to 40 GHz using K Connectors

•V240C, dc to 65 GHz using V Connectors®

All models are symmetrical, three-resistor tee

designs that can be used in applications where

signals must be accurately divided or combined.

K Connectors are compatible with GPC–3.5 and

SMA. V Connectors are compatible with GPC 2.4

connectors. All three models have exceptional

amplitude and tracking characteristics.

3. SPECIFICATIONS

Table 3 provides performance specifications.

4. PRECAUTIONS

ANRITSU precision power dividers are high-quality,

precision laboratory components and should receive

the same care and respect afforded other such

devices. Complying with the following precautionary

notes will guarantee longer component life and less

equipment downtime due to connector failure. Also,

such compliance will ensure that RF component

failures are not due to misuse or abuse — two failure

modes not covered under the ANRITSU warranty.

a. Beware of Destructive Pin Depth on Mating

Connectors. Measure the pin depth of the

connector that mates with the RF component,

before mating. Use an ANRITSU Pin Depth

Gauge (Figure 2, Table 1) or equivalent. Based on

RF components returned for repair, destructive

pin depth on mating connectors is the major cause

of failure in the field. When an RF component

connector is mated with a connector having a

destructive pin depth, damage will likely occur to

the RF component connector. (A destructive pin

depth has a center pin that is too long in respect

to the connector’s reference plane.)

The center pin on an RF component connector has a

precision tolerance measured in mils (1/1000 inch),

whereas connectors on test devices that mate with

RF components may not be precision types. Their

pins may not have the proper depth. They must be

measured before mating to ensure suitability. When

gauging pin depth, if the test device connector

Figure 1. Model V240 Series Power Divider

Figure 2. Pin Depth Gauge

Table 1. Available Gauging Sets

Model Connector

Type Gauging

Set Model Zeroing

Block

11 Series N female SC6311 SC6312

K240X K female SC7738 SC7736

V240C V female SC6982 SC7736

2 PN: 10100-00027 Rev. F Power Dividers OMM

measures out of tolerance in the “+” region, the

center pin is too long. Mating under this condition

will likely damage the RF component connector. On

the other hand, if the test device connector measures

out of tolerance in the “–” region, the center pin is too

short. While this will not cause any damage, it will

result in a poor connection and a consequent

degradation in performance.

The pin depth for all power divider models shown in

Table 2.

b. Avoid Over Torquing Connectors. Over

torquing connectors is destructive; it may damage

the connector center pin. Never use pliers to

tighten connectors.

c. Avoid Mechanical Shock. RF components are

designed to withstand years of normal bench

handling. However, do not drop or otherwise treat

them roughly. They are laboratory-quality devices

and, like other such devices, require careful

handling.

d. Keep Power Divider Connectors Clean. The

precise geometry that makes the RF component’s

high performance possible can be easily disturbed

by dirt and other contamination adhering to

connector interfaces. When not in use, keep the

connectors covered. Refer to the next section for

cleaning instructions.

5. MAINTENANCE

ANRITSU recommends that no maintenance other

than cleaning be attempted by the customer. The

power divider should be returned to ANRITSU for

repair and/or service when needed.

The traditional method of cleaning K Connectors

with a cotton swab and alcohol can break the

connector pin on the precision connector. The cotton

swab has a larger diameter than the area between

the inner wall and the center pin of the power divider

connectors.

ANRITSU still recommends using a cotton swab;

however, you need to trim the swab before inserting

it into the connector.

A cotton swab must never be used to cleaning

V Connectors; use a pinch of cotton held with

fine-pointed tweezers.

Some precautions to follow when using the power

divider:

•Use either the finger saver that has been

provided with the power divider or use an

8 inch-pound torque wrench for V and

K connectors or a 12 inch-pound for

N connectors when connecting the power

divider to other devices. No other tools are

recommended.

•Always spin the coupling nut to tighten

connections. Spinning the connector body

causes premature wear to the connector

interface.

Table 2. Power Divider Pin Depth Measurements

Model Pin Depth (Inch)

11 Series 0.207 to 0.187

K240X 0.000 to –0.005

V240C 0.000 to –0.005

Power Dividers OMM PN: 10100-00027 Rev. F 3

Maximum Input Power: 1 W

Weight: 43 grams (1.5 ounces)

Table 3. Performance Specifications

Model Frequency

Range (GHz) SWR Insertion Loss

(dB max.) Impedance

(Ohms)

Connectors

Input Output

11N50B DC to 3 < 1.25 7 50 N female N female

11N75B 75

Model Frequency

Range (GHz) Impedance

(Ohms)

Connectors

Input Output

K240B DC to 26.5 50 K female K female

K240C DC to 40

V240C DC to 65 V female V female

Frequency Range

(GHz)

Tracking Outputs Insertion Loss

(dB max.) SWRAmplitude Phase

DC to 6 ± 0.3 dB ± 2º 71.2

6 to 18 ± 0.3 dB ± 3º 7.5 1.4

18 to 26.5 ± 0.6 dB ± 4º 81.5

26.5 to 40 ± 0.6 dB ± 6º 8.5 1.7

40 to 65 ± 1.5 dB ± 15º 10 2.7

Figure 3. Return Loss and Insertion Loss (Typical)

Frequency (GHz)

067

Typical Return Loss (dB)

Typical Insertion Loss (dB)

Return loss

Insertion loss

Frequency (GHz)

V240C

11N50B

Typical Return Loss (dB)

Typical Insertion Loss (dB)

Return loss

Insertion loss

Figure 4. Outline Dimensions

WARRANTY

Anritsu power dividers are warranted against defects in materials and workmanship for one year from the date of shipment.

Anritsu’s obligation covers repairing or replacing products which prove to be defective during the warranty period. Buyers shall

prepay transportation charges for equipment returned to Anritsu for warranty repairs. Obligation is limited to the original

purchaser. Anritsu is not liable for consequential damages.

LIMITATION OF WARRANTY

The foregoing warranty does not apply to Anritsu connectors that have failed due to normal wear. Also, the warranty does not

apply to defects resulting from improper or inadequate maintenance by the Buyer, unauthorized modification or misuse, or

operation outside of the environmental specifications of the product. No other warranty is expressed or implied, and the

remedies provided herein are the Buyer’s sole and exclusive remedies.

NOTICE

Anritsu Company has prepared this manual for use by Anritsu Company personnel and customers as a guide for the proper

installation, operation and maintenance of Anritsu Company equipment and computer programs. The drawings, specifications,

and information contained herein are the property of Anritsu Company, and any unauthorized use or disclosure of these

drawings, specifications, and information is prohibited; they shall not be reproduced, copied, or used in whole or in part as the

basis for manufacture or sale of the equipment or software programs without the prior written consent of Anritsu Company.

4.6

9.1

2-56 UNC-2B, 2X

Ø 2.6 2X

11.4

6.1

10.2

14.7

10.2

14.7

10.2

14.7

DC-65 GHz

7.4

7.4 V CONNECTOR FEMALE

THREAD M7.0 X .75-6G,2X

V240C

POWER DIVIDER

All dimensions in mm

7.4

2 3

14.7 10.2

Ø 2.6 2X

2-56 UNC-2B, 2X

9.1

4.6

6.6 TYP.

7.4

K CONNECTOR FEMALE

1/4 - 36 UNS - 2A, 3X

K240C

POWER

DIVIDER

DC-40

GHz

31.75

(MAX)

31.75

(MAX)

40.64

(MAX)

17.78

(TYP.)

11 Series

K240B, K240C

V240C

Printed on Recycled Paper with Vegetable Soybean Oil Ink Anritsu Company

490 Jarvis Drive

Morgan Hill, CA 95037-2809

USA

http://www.anritsu.com

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