TTI TGR2051 射频信号发生器 (150kHz - 1500 MHz)

FREQUENCY

Frequency Range: 150kHz – 1500MHz

Setng Resolution: 10Hz

Setng Resolution Low Spur mode: 1MHz

Accuracy/stability: see Reference Frequency

Phase Noise: 500MHz Carrier: <-124dBc/Hz (typ) @ 10KHz offset

1GHz Carrier: <-117dBc/Hz (typ) @ 10kHz offset

See chart below

Residual FM: <2 Hz @ 1GHz - Equivalent peak deviation in a 300Hz to 3.4kHz

bandwidth.

Internal Reference Accuracy: <± 1ppm, 15ºC – 30ºC

<± 2ppm, 5ºC – 40ºC

Internal Reference Stability: <1ppm/year

Reference IN & OUT: Both can be disabled when not required.

Reference IN

Rear Panel BNC:

10MHz +/- 25ppm, 50Ω input impedance, 2 - 5Vpp

Automatc detection and selection when an external reference signal is

present and Ref. Clock is selected to be EXTERNAL.

LCD status indicator shows when external reference is actve.

Reference OUT

Rear panel BNC:

10MHz, 50Ω output impedance, >2Vpp into 50Ω

The actve reference signal (from internal or external source) is present

when Ref. Clock Out is selected to be ON.

OUTPUT LEVEL

Output Level Range: –127dBm to +13dBm

Setng Resolution: 0.1dB, 0.01uV –1mV

Accuracy: ±1dB output levels > -53dBm

±2dB output levels <= -53dBm

Additonal Uncertainty

AM, ASK & OOK ON:

+/-0.5dB

Harmonically Related Signals: <-25dBc @ +13dBm, <-30dBc@levels <=0dBm

Non-harmonic Spurii: <–50dBc >10kHz offset 1.5GHz – 3GHz

<-56dBc > 10kHz offset 150KHz - 1.5GHz

Output Impedance: 50Ω

VSWR: <2.0 typ <=1.6

RF Output Connector: Type N Female

Reverse Voltage Protection: 50V DC

Output Switch: RF OUT On/Off switch with LED showing ON status

ANALOG MODULATION

SOURCE

Internal: DDS generator providing

sine, square, + Ramp, - Ramp, triangle

1mHz – 1MHz, Resolution 1mHz

Signal available at MOD IN/OUT, 150Ω source impedance

External: 100Hz – 1MHz, 1dB relative to 1kHz, 1Vp-p for full scale

10kΩ input impedance AC coupled

FREQUENCY MODULATION

Deviation: 1mHz – 1MHz subject to carrier frequency

Deviation Setng Resolution: 1mHz

Deviation Accuracy: Ref freq accuracy +/- 1mHz for internal modulation

±2% for external modulation @ 1kHz, 1V p-p

Distortion: <1% @ 1kHz modulation, 300 – 3.4kHz bandwidth.

PHASE MODULATION

Deviation: 0 - 25.00 rad

Deviation Setng Resoluton: 0.01 rad

Deviation Accuracy: Ref freq accuracy ±0.1rad for internal modulation

±2% for external modulaton @ 1kHz, 1V p-p

Distortion: <1% @ 1kHz modulation, 300 – 3.4kHz bandwidth

AMPLITUDE MODULATION (LEVELS ≤+7DBM)

Modulaton Depth: 0 – 100%

Setng Resoluton: 0.1%

Accuracy: ±1% for internal modulation

±2% for external modulation @ 1kHz, 1V p-p

Distortion: ≤1% @ ≤90% depth10

DIGITAL MODULATION **

SOURCE

Internal: NRZ Paterns: Square Wave, User Defned Patern, 7-bit PRBS,

9-bit PRBS, 11-bit PRBS, 15-bit PRBS.

User Defined Patern: 16384 states can be created in the instrument or

downloaded via the remote interfaces.

Bit rate: 1mbits/sec – 1Mbits/sec

Modulation signal available at MOD IN/OUT, 150 Ω source impedance

External: Input via

MOD IN/OUT:

DC – 1Mbits/sec, >=2Vp-p, logic threshold +1.5V nominal.

10kΩ input impedance

INTERNAL MODULATION PATTERN TRIGGER

Source: External +ve edge, External –ve edge, Manual, via remote interface or Internal.

Internal trigger repeats at a programmable rate of 1 per 1us – 999.999999s

Modes: Immediate: Modulation starts immediately.

Triggered: Modulation waits for a trigger event.

Trigger Types: Infinite: First trigger event starts the modulation patern,

which repeats indefnitely.

Finite: Each trigger event starts one modulation patern (one

‘block’) or a count of bits in the modulation patern.

The bit count is programmable and can be greater

than a patern length.

Bit count range: 1 – 2^31

Trigger Delay: <500ns from specifed edge of external trigger signal to modulation start.

INTERNAL MODULATION PATTERN SYNC

Signal available from the rear panel SYNC BNC to synchronise internally produced modulation paterns.

SYNC modes: OFF, Start, Bit Rate, Bit Rate/2

SYNC polarity: High going SYNC pulse

Start SYNC: SYNC pulse 1 bit period wide at the start of the modulation patern.

Bit Rate SYNC: ½-bit period wide pulses at the modulation bit rate repeated indefinitely or for a

programmed repeat count from the start of the modulation patern in triggered

mode.

Bit Rate/2 SYNC: As for Bit Rate SYNC but at half the modulation bit rate.

FREQUENCY SHIFT KEYING

Modes: FSK, GFSK, MSK, GMSK, HMSK, 3FSK, 4FSK

Continuous phase frequency modulation.

Filter Settings: None, Gaussian (BT=0.3, 0.5 or 0.7), Raised Cosine (α =0.5 or 0.7), Root Raised

Cosine (α =0.5 or 0.7), Half sine.

Deviation: 1mHz – 1MHz subject to carrier frequency

Deviation Setng Resolution: 1mHz

Deviaton Accuracy: Ref freq accuracy ±1mHz for internal and external modulation

4FSK Encoding: Gray Code or Binary.

Encoding Synchronisaton

Internal Modulaton Source:

3FSK Start SYNC output indicates the start of encoding

4FSK Bit Rate/2 SYNC output indicates the start of encoding

Encoding Synchronisaton

External Modulation Source:

3FSK

4FSK

The external Trigger input can be used to defne the start of encoding

for both.

PHASE SHIFT KEYING

Modes: PSK

Deviation: 0 - 25.00 rad

Deviation Setng Resolution: 0.01 rad

Deviaton Accuracy: Ref freq accuracy ±0.1 rad for internal and external modulation

AMPLITUDE SHIFT KEYING (ASK)

ASK Depth: 0 - 100%

Setng Resolution: 0.1%

Accuracy: ±1% for internal and external modulation

Internal Rate: 1mb/s - 1Mb/s

External Rate: DC – 1Mb/s

ON-OFF KEYING (OOK) (BASIC PULSE MODULATION)

On-Off Rato: >80dB

External Input: Logic high = Carrier On

Internal Rate: 1mB/s - 1Mb/s

External Rate: DC – 1Mb/s

Rise/Fall Time: 50ns

FREQUENCY and AMPLITUDE SWEEP

Frequency setling tme to within 100Hz or 0.1ppm of

fnal frequency if greater:

<5ms*, typ <2ms

Amplitude setling tme to within 0.2dB: <5ms*, typ <4ms

Rear panel SYNC pulse width (defnes guaranteed

setling period):

5ms *

*Setling time and SYNC pulse width is extended to 15ms for all points in the sweep if the frequency crosses

250.00000MHz between any points in the sweep.

STEP SWEEP

Step frequency and/or amplitude according to a formula over a specifed number of points.

Number of Points: 2 - 1000

Formula specifes: Sweep Start and Stop Frequencies

Sweep Start and Stop Amplitudes

Dwell tme following SYNC at each point

Dwell Time: 0.01 – 10.000sec

Sweep Mode: Continuous or Single

Sweep Direction: Up or Down

Sweep Point Spacing: Linear or Logarithmic

Sweep Trigger : (Sweep start

held untl trigger event)

Manual, ext signal +ve or –ve edge, tmed (0.01 – 999.9sec) or via remote

interface

Point Trigger : (Sweep point

stepping held until trigger event)

Manual, ext signal +ve or –ve edge, or via remote interface

Point Trigger tming: >=10ms afer SYNC signal

SYNC signal (‘output stable’): Available afer output has setled at each point until next point.

Programmable high or low logic.

GENERAL

Power: 85…264Vac, 47…63Hz, 35VA max. Installaton Category II.

Standby <0.5W

Display: 4.3 inch (10.9 cm) backlit TFT LCD, 480 x 272 pixels total, 16 colours, resistive touch

screen.

Data Entry: Multple entry methods; keyboard or touch screen selecton of all major functons; edit

feld selecton by screen touch or rotary control; value entry by keyboard, rotary control

or touch screen; frequency and amplitude adjustable by value entry, character scrolling,

user defined step values or a combination.

Storage: 4G bytes internal storage available for 1000’s of instrument setups, sweep lists and user

defined modulation paterns.

Operating Range: +5°C to +40°C, 20 - 80% RH

Storage Range: –20°C to + 60°C

Environmental: Indoor use at alttudes up to 2000m, Pollution Degree 2.

EMC: Complies with EN61326

Safety: Complies with EN61010-1

Size: 2U high, half rack width.

Weight: 3 kg

Options: 19-inch rack mountng kit.