CPI VZM-6993J5

250W or 320W TWT Amplifier
for Test and Measurement Applications
8 . 0 to 1 8 .0 GHz
The VZM-6993J5
250 or 320 Watt
TWT Compact
Power Amplifier
Global Applications
Provides 250 or 320 watts of power in a 4 rack
unit package.
230 VAC operation. Designed to meet
Inteernational Safety Standard EN61010 and
Electromagnetic Compatibility 89/336/EEC.
Ultra-wide band, automatic fault recycle, userfriendly microprocessor-controlled logic with
integrated computer interface, VSWR soft-fail
protection, digital metering, and quiet operation
for the laboratory environment.
Easy to Maintain
Modular design and built-in fault diagnostic
capability backed by CPI’s worldwide 24-hour
customer support network that includes fifteen
regional factory service centers.
Utilizes dual-depressed collector helix traveling
wave tube for maximum 1.5 kVA operation.
Communications & Power Industries Canada, Inc.
45 River Drive
Georgetown, Ontario CANADA L7G2J4
tel: +1 (905) 877-0161
fax: +1 (905) 877-5327
e-mail: [email protected]
250W or 320W TWT Amplif ier
8.0 to 18.0 GHz
8 .0 t o 18. 0 GH z
TWT Model Number
VTM6292M4 (250 W) or
optional VTM6392M4B (320 W)
Ambient Temperature
-10° to +40°C operating
-40° to +70°C non-operating
8.0 to 18.0 GHz
Relative Humidity
95% non-condensing
Output Power (min.)
250 W (320 W with optional TWT)
225 W (290 W with optional TWT)
10,000 ft. with standard adiabatic
derating of 2°C/1000 ft., operating;
40,000 ft., non-operating
Shock and Vibration
As normally encountered in a
protected engineering
laboratory environment
Acoustic Noise
65 dBA @ 3 ft. from amplifier
• Remote Control Panel
• Input Isolator
(-1 dB Gain)
RF Level Adjust Range
0 to 20 dB
Gain Stability
±0.25 dB/24hr max. (after 30 minute warmup
and at constant drive and temp.)
• 115 VAC External Step-Up
• 320 W TWT
53.5 dB min. at rated power output;
55.5 dB min. at small signal
Gain Variation
12 dB pk-pk typ.;
Cooling (TWT)
Input VSWR
2.5:1 typ;
1.5:1 max. with optional input isolator
Forced air with integral blower
Rear air intake & exhaust
RF Input Connection
Type N female
Output VSWR
2.5:1 max.
RF Output Connection
1.5:1 max. for full spec. compliance;
2.0:1 max. continuous operation
RF Output Monitor
Type N female
Dimensions (W x H x D)*
Residual AM
-50 dBc below 10 kHz
-20[1.3 +log F(kHz)] dBc, 10 kHz to 500 kHz
-85 dBc above 500 kHz
19 x 7 x 24 in.
(483 x 178 x 610 mm)
75 lbs (34.1 kg) max.
Meets EN61010
Phase Noise
Meets IESS 308/309 with 3 dB margin
Noise and Spurious
-50 dBc typical excluding harmonics
Harmonic Content
-3 dBc typical at lower band edge, decreasing
to -15 dBc typical at upper band edge
Primary Power
220 - 240 VAC ±10%,
single phase 47- 63 Hz
Power Consumption
1.4 kVA typ.
1.5 kVA max.
Inrush Current
200% max.
Certificate Number: 30515
For more detailed information, please refer to the corresponding CPI Technical Description.
Note: Specifications may change without notice as a result of additional data or product refinement.
Please contact CPI before using this information for system design.
MKT 227, ISSUE 1
*Dimension exclude front handles, rear fans and exhaust ducts.